Merge branch 'master' into firefox-amo

20 files changed, 1909 insertions, 1707 deletions

diff --git a/ext/bg/js/anki-connect.js b/ext/bg/js/anki-connect.js
deleted file mode 100644
index 9759c8f5..00000000
--- a/ext/bg/js/anki-connect.js
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- * Copyright (C) 2016  Alex Yatskov <alex@foosoft.net>
- * Author: Alex Yatskov <alex@foosoft.net>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-
-class AnkiConnect {
-    constructor(server) {
-        this.server = server;
-        this.asyncPools = {};
-        this.localVersion = 2;
-        this.remoteVersion = null;
-    }
-
-    addNote(note) {
-        return this.checkVersion().then(() => this.ankiInvoke('addNote', {note}, null));
-    }
-
-    canAddNotes(notes) {
-        return this.checkVersion().then(() => this.ankiInvoke('canAddNotes', {notes}, 'notes'));
-    }
-
-    getDeckNames() {
-        return this.checkVersion().then(() => this.ankiInvoke('deckNames', {}, null));
-    }
-
-    getModelNames() {
-        return this.checkVersion().then(() => this.ankiInvoke('modelNames', {}, null));
-    }
-
-    getModelFieldNames(modelName) {
-        return this.checkVersion().then(() => this.ankiInvoke('modelFieldNames', {modelName}, null));
-    }
-
-    checkVersion() {
-        if (this.localVersion === this.remoteVersion) {
-            return Promise.resolve(true);
-        }
-
-        return this.ankiInvoke('version', {}, null).then(version => {
-            this.remoteVersion = version;
-            if (this.remoteVersion < this.localVersion) {
-                return Promise.reject('extension and plugin versions incompatible');
-            }
-        });
-    }
-
-    ankiInvoke(action, params, pool) {
-        return new Promise((resolve, reject) => {
-            if (pool !== null && this.asyncPools.hasOwnProperty(pool)) {
-                this.asyncPools[pool].abort();
-            }
-
-            const xhr = new XMLHttpRequest();
-            xhr.addEventListener('loadend', () => {
-                if (pool !== null) {
-                    delete this.asyncPools[pool];
-                }
-
-                if (xhr.responseText) {
-                    resolve(JSON.parse(xhr.responseText));
-                } else {
-                    reject('unable to connect to plugin');
-                }
-            });
-
-            xhr.open('POST', this.server);
-            xhr.send(JSON.stringify({action, params}));
-        });
-    }
-}
diff --git a/ext/bg/js/anki-null.js b/ext/bg/js/anki-null.js
deleted file mode 100644
index 99dc2f30..00000000
--- a/ext/bg/js/anki-null.js
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * Copyright (C) 2016  Alex Yatskov <alex@foosoft.net>
- * Author: Alex Yatskov <alex@foosoft.net>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-
-class AnkiNull {
-    addNote(note) {
-        return Promise.reject('unsupported action');
-    }
-
-    canAddNotes(notes) {
-        return Promise.resolve([]);
-    }
-
-    getDeckNames() {
-        return Promise.resolve([]);
-    }
-
-    getModelNames() {
-        return Promise.resolve([]);
-    }
-
-    getModelFieldNames(modelName) {
-        return Promise.resolve([]);
-    }
-}
diff --git a/ext/bg/js/anki.js b/ext/bg/js/anki.js
new file mode 100644
index 00000000..c327969f
--- /dev/null
+++ b/ext/bg/js/anki.js
@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2016  Alex Yatskov <alex@foosoft.net>
+ * Author: Alex Yatskov <alex@foosoft.net>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+/*
+ * AnkiConnect
+ */
+
+class AnkiConnect {
+    constructor(server) {
+        this.server = server;
+        this.localVersion = 2;
+        this.remoteVersion = 0;
+    }
+
+    async addNote(note) {
+        await this.checkVersion();
+        return await this.ankiInvoke('addNote', {note});
+    }
+
+    async canAddNotes(notes) {
+        await this.checkVersion();
+        return await this.ankiInvoke('canAddNotes', {notes});
+    }
+
+    async getDeckNames() {
+        await this.checkVersion();
+        return await this.ankiInvoke('deckNames');
+    }
+
+    async getModelNames() {
+        await this.checkVersion();
+        return await this.ankiInvoke('modelNames');
+    }
+
+    async getModelFieldNames(modelName) {
+        await this.checkVersion();
+        return await this.ankiInvoke('modelFieldNames', {modelName});
+    }
+
+    async guiBrowse(query) {
+        await this.checkVersion();
+        return await this.ankiInvoke('guiBrowse', {query});
+    }
+
+    async checkVersion() {
+        if (this.remoteVersion < this.localVersion) {
+            this.remoteVersion = await this.ankiInvoke('version');
+            if (this.remoteVersion < this.localVersion) {
+                throw 'extension and plugin versions incompatible';
+            }
+        }
+    }
+
+    ankiInvoke(action, params) {
+        return requestJson(this.server, 'POST', {action, params, version: this.localVersion});
+    }
+}
+
+
+/*
+ * AnkiNull
+ */
+
+class AnkiNull {
+    async addNote(note) {
+        return null;
+    }
+
+    async canAddNotes(notes) {
+        return [];
+    }
+
+    async getDeckNames() {
+        return [];
+    }
+
+    async getModelNames() {
+        return [];
+    }
+
+    async getModelFieldNames(modelName) {
+        return [];
+    }
+
+    async guiBrowse(query) {
+        return [];
+    }
+}
diff --git a/ext/bg/js/api.js b/ext/bg/js/api.js
new file mode 100644
index 00000000..2afe82a0
--- /dev/null
+++ b/ext/bg/js/api.js
@@ -0,0 +1,128 @@
+/*
+ * Copyright (C) 2016-2017  Alex Yatskov <alex@foosoft.net>
+ * Author: Alex Yatskov <alex@foosoft.net>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+async function apiOptionsSet(options) {
+    utilBackend().onOptionsUpdated(options);
+}
+
+async function apiOptionsGet() {
+    return utilBackend().options;
+}
+
+async function apiTermsFind(text) {
+    const options = utilBackend().options;
+    const translator = utilBackend().translator;
+
+    const searcher = options.general.groupResults ?
+        translator.findTermsGrouped.bind(translator) :
+        translator.findTerms.bind(translator);
+
+    const {definitions, length} = await searcher(
+        text,
+        dictEnabledSet(options),
+        options.scanning.alphanumeric
+    );
+
+    return {
+        length,
+        definitions: definitions.slice(0, options.general.maxResults)
+    };
+}
+
+async function apiKanjiFind(text) {
+    const options = utilBackend().options;
+    const definitions = await utilBackend().translator.findKanji(text, dictEnabledSet(options));
+    return definitions.slice(0, options.general.maxResults);
+}
+
+async function apiDefinitionAdd(definition, mode) {
+    const options = utilBackend().options;
+
+    if (mode !== 'kanji') {
+        await audioInject(
+            definition,
+            options.anki.terms.fields,
+            options.general.audioSource
+        );
+    }
+
+    return utilBackend().anki.addNote(dictNoteFormat(definition, mode, options));
+}
+
+async function apiDefinitionsAddable(definitions, modes) {
+    const notes = [];
+    for (const definition of definitions) {
+        for (const mode of modes) {
+            notes.push(dictNoteFormat(definition, mode, utilBackend().options));
+        }
+    }
+
+    const results = await utilBackend().anki.canAddNotes(notes);
+    const states = [];
+    for (let resultBase = 0; resultBase < results.length; resultBase += modes.length) {
+        const state = {};
+        for (let modeOffset = 0; modeOffset < modes.length; ++modeOffset) {
+            state[modes[modeOffset]] = results[resultBase + modeOffset];
+        }
+
+        states.push(state);
+    }
+
+    return states;
+}
+
+async function apiNoteView(noteId) {
+    return utilBackend().anki.guiBrowse(`nid:${noteId}`);
+}
+
+async function apiTemplateRender(template, data) {
+    return handlebarsRender(template, data);
+}
+
+async function apiCommandExec(command) {
+    const handlers = {
+        search: () => {
+            chrome.tabs.create({url: chrome.extension.getURL('/bg/search.html')});
+        },
+
+        help: () => {
+            chrome.tabs.create({url: 'https://foosoft.net/projects/yomichan/'});
+        },
+
+        options: () => {
+            chrome.runtime.openOptionsPage();
+        },
+
+        toggle: async () => {
+            const options = utilBackend().options;
+            options.general.enable = !options.general.enable;
+            await optionsSave(options);
+            await apiOptionsSet(options);
+        }
+    };
+
+    const handler = handlers[command];
+    if (handler) {
+        handler();
+    }
+}
+
+async function apiAudioGetUrl(definition, source) {
+    return audioBuildUrl(definition, source);
+}
diff --git a/ext/bg/js/audio.js b/ext/bg/js/audio.js
new file mode 100644
index 00000000..0952887e
--- /dev/null
+++ b/ext/bg/js/audio.js
@@ -0,0 +1,154 @@
+/*
+ * Copyright (C) 2017  Alex Yatskov <alex@foosoft.net>
+ * Author: Alex Yatskov <alex@foosoft.net>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+async function audioBuildUrl(definition, mode, cache={}) {
+    if (mode === 'jpod101') {
+        let kana = definition.reading;
+        let kanji = definition.expression;
+
+        if (!kana && wanakana.isHiragana(kanji)) {
+            kana = kanji;
+            kanji = null;
+        }
+
+        const params = [];
+        if (kanji) {
+            params.push(`kanji=${encodeURIComponent(kanji)}`);
+        }
+        if (kana) {
+            params.push(`kana=${encodeURIComponent(kana)}`);
+        }
+
+        const url = `https://assets.languagepod101.com/dictionary/japanese/audiomp3.php?${params.join('&')}`;
+        return Promise.resolve(url);
+    } else if (mode === 'jpod101-alternate') {
+        return new Promise((resolve, reject) => {
+            const response = cache[definition.expression];
+            if (response) {
+                resolve(response);
+            } else {
+                const data = {
+                    post: 'dictionary_reference',
+                    match_type: 'exact',
+                    search_query: definition.expression
+                };
+
+                const params = [];
+                for (const key in data) {
+                    params.push(`${encodeURIComponent(key)}=${encodeURIComponent(data[key])}`);
+                }
+
+                const xhr = new XMLHttpRequest();
+                xhr.open('POST', 'https://www.japanesepod101.com/learningcenter/reference/dictionary_post');
+                xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
+                xhr.addEventListener('error', () => reject('failed to scrape audio data'));
+                xhr.addEventListener('load', () => {
+                    cache[definition.expression] = xhr.responseText;
+                    resolve(xhr.responseText);
+                });
+
+                xhr.send(params.join('&'));
+            }
+        }).then(response => {
+            const dom = new DOMParser().parseFromString(response, 'text/html');
+            for (const row of dom.getElementsByClassName('dc-result-row')) {
+                try {
+                    const url = row.getElementsByClassName('ill-onebuttonplayer').item(0).getAttribute('data-url');
+                    const reading = row.getElementsByClassName('dc-vocab_kana').item(0).innerText;
+                    if (url && reading && (!definition.reading || definition.reading === reading)) {
+                        return url;
+                    }
+                } catch (e) {
+                    // NOP
+                }
+            }
+        });
+    } else if (mode === 'jisho') {
+        return new Promise((resolve, reject) => {
+            const response = cache[definition.expression];
+            if (response) {
+                resolve(response);
+            } else {
+                const xhr = new XMLHttpRequest();
+                xhr.open('GET', `http://jisho.org/search/${definition.expression}`);
+                xhr.addEventListener('error', () => reject('failed to scrape audio data'));
+                xhr.addEventListener('load', () => {
+                    cache[definition.expression] = xhr.responseText;
+                    resolve(xhr.responseText);
+                });
+
+                xhr.send();
+            }
+        }).then(response => {
+            try {
+                const dom = new DOMParser().parseFromString(response, 'text/html');
+                const audio = dom.getElementById(`audio_${definition.expression}:${definition.reading}`);
+                if (audio) {
+                    return audio.getElementsByTagName('source').item(0).getAttribute('src');
+                }
+            } catch (e) {
+                // NOP
+            }
+        });
+    }
+    else {
+        return Promise.resolve();
+    }
+}
+
+function audioBuildFilename(definition) {
+    if (definition.reading || definition.expression) {
+        let filename = 'yomichan';
+        if (definition.reading) {
+            filename += `_${definition.reading}`;
+        }
+        if (definition.expression) {
+            filename += `_${definition.expression}`;
+        }
+
+        return filename += '.mp3';
+    }
+}
+
+async function audioInject(definition, fields, mode) {
+    let usesAudio = false;
+    for (const name in fields) {
+        if (fields[name].includes('{audio}')) {
+            usesAudio = true;
+            break;
+        }
+    }
+
+    if (!usesAudio) {
+        return true;
+    }
+
+    try {
+        const url = await audioBuildUrl(definition, mode);
+        const filename = audioBuildFilename(definition);
+
+        if (url && filename) {
+            definition.audio = {url, filename};
+        }
+
+        return true;
+    } catch (e) {
+        return false;
+    }
+}
diff --git a/ext/bg/js/backend.js b/ext/bg/js/backend.js
new file mode 100644
index 00000000..6b3acaa9
--- /dev/null
+++ b/ext/bg/js/backend.js
@@ -0,0 +1,131 @@
+/*
+ * Copyright (C) 2016-2017  Alex Yatskov <alex@foosoft.net>
+ * Author: Alex Yatskov <alex@foosoft.net>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+class Backend {
+    constructor() {
+        this.translator = new Translator();
+        this.anki = new AnkiNull();
+        this.options = null;
+    }
+
+    async prepare() {
+        await this.translator.prepare();
+        await apiOptionsSet(await optionsLoad());
+
+        chrome.commands.onCommand.addListener(this.onCommand.bind(this));
+        chrome.runtime.onMessage.addListener(this.onMessage.bind(this));
+
+        if (this.options.general.showGuide) {
+            chrome.tabs.create({url: chrome.extension.getURL('/bg/guide.html')});
+        }
+    }
+
+    onOptionsUpdated(options) {
+        this.options = utilIsolate(options);
+
+        if (!options.general.enable) {
+            chrome.browserAction.setBadgeBackgroundColor({color: '#555555'});
+            chrome.browserAction.setBadgeText({text: 'off'});
+        } else if (!dictConfigured(options)) {
+            chrome.browserAction.setBadgeBackgroundColor({color: '#f0ad4e'});
+            chrome.browserAction.setBadgeText({text: '!'});
+        } else {
+            chrome.browserAction.setBadgeText({text: ''});
+        }
+
+        if (options.anki.enable) {
+            this.anki = new AnkiConnect(options.anki.server);
+        } else {
+            this.anki = new AnkiNull();
+        }
+
+        chrome.tabs.query({}, tabs => {
+            for (const tab of tabs) {
+                chrome.tabs.sendMessage(tab.id, {action: 'optionsSet', params: options}, () => null);
+            }
+        });
+    }
+
+    onCommand(command) {
+        apiCommandExec(command);
+    }
+
+    onMessage({action, params}, sender, callback) {
+        const forward = (promise, callback) => {
+            return promise.then(result => {
+                callback({result});
+            }).catch(error => {
+                callback({error});
+            });
+        };
+
+        const handlers = {
+            optionsGet: ({callback}) => {
+                forward(apiOptionsGet(), callback);
+            },
+
+            optionsSet: ({options, callback}) => {
+                forward(apiOptionsSet(options), callback);
+            },
+
+            kanjiFind: ({text, callback}) => {
+                forward(apiKanjiFind(text), callback);
+            },
+
+            termsFind: ({text, callback}) => {
+                forward(apiTermsFind(text), callback);
+            },
+
+            definitionAdd: ({definition, mode, callback}) => {
+                forward(apiDefinitionAdd(definition, mode), callback);
+            },
+
+            definitionsAddable: ({definitions, modes, callback}) => {
+                forward(apiDefinitionsAddable(definitions, modes), callback);
+            },
+
+            noteView: ({noteId}) => {
+                forward(apiNoteView(noteId), callback);
+            },
+
+            templateRender: ({template, data, callback}) => {
+                forward(apiTemplateRender(template, data), callback);
+            },
+
+            commandExec: ({command, callback}) => {
+                forward(apiCommandExec(command), callback);
+            },
+
+            audioGetUrl: ({definition, source, callback}) => {
+                forward(apiAudioGetUrl(definition, source), callback);
+            }
+        };
+
+        const handler = handlers[action];
+        if (handler) {
+            params.callback = callback;
+            handler(params);
+        }
+
+        return true;
+    }
+}
+
+window.yomichan_backend = new Backend();
+window.yomichan_backend.prepare();
diff --git a/ext/bg/js/popup.js b/ext/bg/js/context.js
index 8577dd96..689d6863 100644
--- a/ext/bg/js/popup.js
+++ b/ext/bg/js/context.js
@@ -17,15 +17,15 @@
  */
 
 
-$(document).ready(() => {
-    $('#open-search').click(() => commandExec('search'));
-    $('#open-options').click(() => commandExec('options'));
-    $('#open-help').click(() => commandExec('help'));
+$(document).ready(utilAsync(() => {
+    $('#open-search').click(() => apiCommandExec('search'));
+    $('#open-options').click(() => apiCommandExec('options'));
+    $('#open-help').click(() => apiCommandExec('help'));
 
     optionsLoad().then(options => {
         const toggle = $('#enable-search');
         toggle.prop('checked', options.general.enable).change();
         toggle.bootstrapToggle();
-        toggle.change(() => commandExec('toggle'));
+        toggle.change(() => apiCommandExec('toggle'));
     });
-});
+}));
diff --git a/ext/bg/js/database.js b/ext/bg/js/database.js
index 70aeb0d7..e00cb7a3 100644
--- a/ext/bg/js/database.js
+++ b/ext/bg/js/database.js
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016  Alex Yatskov <alex@foosoft.net>
+ * Copyright (C) 2016-2017  Alex Yatskov <alex@foosoft.net>
  * Author: Alex Yatskov <alex@foosoft.net>
  *
  * This program is free software: you can redistribute it and/or modify
@@ -20,59 +20,62 @@
 class Database {
     constructor() {
         this.db = null;
-        this.dbVersion = 2;
-        this.tagMetaCache = {};
+        this.version = 2;
+        this.tagCache = {};
     }
 
-    sanitize() {
-        const db = new Dexie('dict');
-        return db.open().then(() => {
+    async sanitize() {
+        try {
+            const db = new Dexie('dict');
+            await db.open();
             db.close();
-            if (db.verno !== this.dbVersion) {
-                return db.delete();
+            if (db.verno !== this.version) {
+                await db.delete();
             }
-        }).catch(() => {});
+        } catch(e) {
+            // NOP
+        }
     }
 
-    prepare() {
-        if (this.db !== null) {
-            return Promise.reject('database already initialized');
+    async prepare() {
+        if (this.db) {
+            throw 'database already initialized';
         }
 
-        return this.sanitize().then(() => {
-            this.db = new Dexie('dict');
-            this.db.version(this.dbVersion).stores({
-                terms: '++id,dictionary,expression,reading',
-                kanji: '++,dictionary,character',
-                tagMeta: '++,dictionary',
-                dictionaries: '++,title,version'
-            });
+        await this.sanitize();
 
-            return this.db.open();
+        this.db = new Dexie('dict');
+        this.db.version(this.version).stores({
+            terms: '++id,dictionary,expression,reading',
+            kanji: '++,dictionary,character',
+            tagMeta: '++,dictionary',
+            dictionaries: '++,title,version'
         });
+
+        await this.db.open();
     }
 
-    purge() {
-        if (this.db === null) {
-            return Promise.reject('database not initialized');
+    async purge() {
+        if (!this.db) {
+            throw 'database not initialized';
         }
 
         this.db.close();
-        return this.db.delete().then(() => {
-            this.db = null;
-            this.tagMetaCache = {};
-            return this.prepare();
-        });
+        await this.db.delete();
+        this.db = null;
+        this.tagCache = {};
+
+        await this.prepare();
     }
 
-    findTerms(term, dictionaries) {
-        if (this.db === null) {
-            return Promise.reject('database not initialized');
+    async findTerms(term, titles) {
+        if (!this.db) {
+            throw 'database not initialized';
         }
 
         const results = [];
-        return this.db.terms.where('expression').equals(term).or('reading').equals(term).each(row => {
-            if (dictionaries.includes(row.dictionary)) {
+        await this.db.terms.where('expression').equals(term).or('reading').equals(term).each(row => {
+            if (titles.includes(row.dictionary)) {
                 results.push({
                     expression: row.expression,
                     reading: row.reading,
@@ -84,25 +87,24 @@ class Database {
                     id: row.id
                 });
             }
-        }).then(() => {
-            return this.cacheTagMeta(dictionaries);
-        }).then(() => {
-            for (const result of results) {
-                result.tagMeta = this.tagMetaCache[result.dictionary] || {};
-            }
-
-            return results;
         });
+
+        await this.cacheTagMeta(titles);
+        for (const result of results) {
+            result.tagMeta = this.tagCache[result.dictionary] || {};
+        }
+
+        return results;
     }
 
-    findKanji(kanji, dictionaries) {
-        if (this.db === null) {
+    async findKanji(kanji, titles) {
+        if (!this.db) {
             return Promise.reject('database not initialized');
         }
 
         const results = [];
-        return this.db.kanji.where('character').equals(kanji).each(row => {
-            if (dictionaries.includes(row.dictionary)) {
+        await this.db.kanji.where('character').equals(kanji).each(row => {
+            if (titles.includes(row.dictionary)) {
                 results.push({
                     character: row.character,
                     onyomi: dictFieldSplit(row.onyomi),
@@ -112,83 +114,79 @@ class Database {
                     dictionary: row.dictionary
                 });
             }
-        }).then(() => {
-            return this.cacheTagMeta(dictionaries);
-        }).then(() => {
-            for (const result of results) {
-                result.tagMeta = this.tagMetaCache[result.dictionary] || {};
-            }
-
-            return results;
         });
-    }
 
-    cacheTagMeta(dictionaries) {
-        if (this.db === null) {
-            return Promise.reject('database not initialized');
+        await this.cacheTagMeta(titles);
+        for (const result of results) {
+            result.tagMeta = this.tagCache[result.dictionary] || {};
         }
 
-        const promises = [];
-        for (const dictionary of dictionaries) {
-            if (this.tagMetaCache[dictionary]) {
-                continue;
-            }
+        return results;
+    }
 
-            const tagMeta = {};
-            promises.push(
-                this.db.tagMeta.where('dictionary').equals(dictionary).each(row => {
-                    tagMeta[row.name] = {category: row.category, notes: row.notes, order: row.order};
-                }).then(() => {
-                    this.tagMetaCache[dictionary] = tagMeta;
-                })
-            );
+    async cacheTagMeta(titles) {
+        if (!this.db) {
+            throw 'database not initialized';
         }
 
-        return Promise.all(promises);
-    }
+        for (const title of titles) {
+            if (!this.tagCache[title]) {
+                const tagMeta = {};
+                await this.db.tagMeta.where('dictionary').equals(title).each(row => {
+                    tagMeta[row.name] = {category: row.category, notes: row.notes, order: row.order};
+                });
 
-    getDictionaries() {
-        if (this.db === null) {
-            return Promise.reject('database not initialized');
+                this.tagCache[title] = tagMeta;
+            }
         }
+    }
 
-        return this.db.dictionaries.toArray();
+    async getDictionaries() {
+        if (this.db) {
+            return this.db.dictionaries.toArray();
+        } else {
+            throw 'database not initialized';
+        }
     }
 
-    importDictionary(archive, callback) {
-        if (this.db === null) {
+    async importDictionary(archive, callback) {
+        if (!this.db) {
             return Promise.reject('database not initialized');
         }
 
         let summary = null;
-        const indexLoaded = (title, version, revision, tagMeta, hasTerms, hasKanji) => {
+        const indexLoaded = async (title, version, revision, tagMeta, hasTerms, hasKanji) => {
             summary = {title, version, revision, hasTerms, hasKanji};
-            return this.db.dictionaries.where('title').equals(title).count().then(count => {
-                if (count > 0) {
-                    return Promise.reject(`dictionary "${title}" is already imported`);
-                }
-
-                return this.db.dictionaries.add({title, version, revision, hasTerms, hasKanji}).then(() => {
-                    const rows = [];
-                    for (const tag in tagMeta || {}) {
-                        const meta = tagMeta[tag];
-                        const row = dictTagSanitize({
-                            name: tag,
-                            category: meta.category,
-                            notes: meta.notes,
-                            order: meta.order,
-                            dictionary: title
-                        });
-
-                        rows.push(row);
-                    }
-
-                    return this.db.tagMeta.bulkAdd(rows);
+
+            const count = await this.db.dictionaries.where('title').equals(title).count();
+            if (count > 0) {
+                throw `dictionary "${title}" is already imported`;
+            }
+
+            await this.db.dictionaries.add({title, version, revision, hasTerms, hasKanji});
+
+            const rows = [];
+            for (const tag in tagMeta || {}) {
+                const meta = tagMeta[tag];
+                const row = dictTagSanitize({
+                    name: tag,
+                    category: meta.category,
+                    notes: meta.notes,
+                    order: meta.order,
+                    dictionary: title
                 });
-            });
+
+                rows.push(row);
+            }
+
+            await this.db.tagMeta.bulkAdd(rows);
         };
 
-        const termsLoaded = (title, entries, total, current) => {
+        const termsLoaded = async (title, entries, total, current) => {
+            if (callback) {
+                callback(total, current);
+            }
+
             const rows = [];
             for (const [expression, reading, tags, rules, score, ...glossary] of entries) {
                 rows.push({
@@ -202,14 +200,14 @@ class Database {
                 });
             }
 
-            return this.db.terms.bulkAdd(rows).then(() => {
-                if (callback) {
-                    callback(total, current);
-                }
-            });
+            await this.db.terms.bulkAdd(rows);
         };
 
-        const kanjiLoaded = (title, entries, total, current)  => {
+        const kanjiLoaded = async (title, entries, total, current)  => {
+            if (callback) {
+                callback(total, current);
+            }
+
             const rows = [];
             for (const [character, onyomi, kunyomi, tags, ...meanings] of entries) {
                 rows.push({
@@ -222,13 +220,56 @@ class Database {
                 });
             }
 
-            return this.db.kanji.bulkAdd(rows).then(() => {
-                if (callback) {
-                    callback(total, current);
-                }
-            });
+            await this.db.kanji.bulkAdd(rows);
         };
 
-        return zipLoadDb(archive, indexLoaded, termsLoaded, kanjiLoaded).then(() => summary);
+        await Database.importDictionaryZip(archive, indexLoaded, termsLoaded, kanjiLoaded);
+        return summary;
+    }
+
+    static async importDictionaryZip(archive, indexLoaded, termsLoaded, kanjiLoaded) {
+        const files = (await JSZip.loadAsync(archive)).files;
+
+        const indexFile = files['index.json'];
+        if (!indexFile) {
+            throw 'no dictionary index found in archive';
+        }
+
+        const index = JSON.parse(await indexFile.async('string'));
+        if (!index.title || !index.version || !index.revision) {
+            throw 'unrecognized dictionary format';
+        }
+
+        await indexLoaded(
+            index.title,
+            index.version,
+            index.revision,
+            index.tagMeta || {},
+            index.termBanks > 0,
+            index.kanjiBanks > 0
+        );
+
+        const banksTotal = index.termBanks + index.kanjiBanks;
+        let banksLoaded = 0;
+
+        for (let i = 1; i <= index.termBanks; ++i) {
+            const bankFile = files[`term_bank_${i}.json`];
+            if (bankFile) {
+                const bank = JSON.parse(await bankFile.async('string'));
+                await termsLoaded(index.title, bank, banksTotal, banksLoaded++);
+            } else {
+                throw 'missing term bank file';
+            }
+        }
+
+        for (let i = 1; i <= index.kanjiBanks; ++i) {
+            const bankFile = files[`kanji_bank_${i}.json`];
+            if (bankFile) {
+                const bank = JSON.parse(await bankFile.async('string'));
+                await kanjiLoaded(index.title, bank, banksTotal, banksLoaded++);
+            } else {
+                throw 'missing kanji bank file';
+            }
+        }
     }
 }
diff --git a/ext/bg/js/deinflector.js b/ext/bg/js/deinflector.js
index 6484f953..0abde99d 100644
--- a/ext/bg/js/deinflector.js
+++ b/ext/bg/js/deinflector.js
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016  Alex Yatskov <alex@foosoft.net>
+ * Copyright (C) 2016-2017  Alex Yatskov <alex@foosoft.net>
  * Author: Alex Yatskov <alex@foosoft.net>
  *
  * This program is free software: you can redistribute it and/or modify
@@ -26,26 +26,7 @@ class Deinflection {
         this.children = [];
     }
 
-    deinflect(definer, reasons) {
-        const define = () => {
-            return definer(this.term).then(definitions => {
-                if (this.rules.length === 0) {
-                    this.definitions = definitions;
-                } else {
-                    for (const rule of this.rules) {
-                        for (const definition of definitions) {
-                            if (definition.rules.includes(rule)) {
-                                this.definitions.push(definition);
-                            }
-                        }
-                    }
-                }
-
-                return this.definitions.length > 0;
-            });
-        };
-
-        const promises = [];
+    async deinflect(definer, reasons) {
         for (const reason in reasons) {
             for (const variant of reasons[reason]) {
                 let accept = this.rules.length === 0;
@@ -68,20 +49,31 @@ class Deinflection {
                 }
 
                 const child = new Deinflection(term, {reason, rules: variant.rulesOut});
-                promises.push(
-                    child.deinflect(definer, reasons).then(valid => valid && this.children.push(child))
-                );
+                if (await child.deinflect(definer, reasons)) {
+                    this.children.push(child);
+                }
             }
         }
 
-        return Promise.all(promises).then(define).then(valid => {
-            if (valid && this.children.length > 0) {
-                const child = new Deinflection(this.term, {rules: this.rules, definitions: this.definitions});
-                this.children.push(child);
+        const definitions = await definer(this.term);
+        if (this.rules.length === 0) {
+            this.definitions = definitions;
+        } else {
+            for (const rule of this.rules) {
+                for (const definition of definitions) {
+                    if (definition.rules.includes(rule)) {
+                        this.definitions.push(definition);
+                    }
+                }
             }
+        }
+
+        if (this.definitions.length > 0 && this.children.length > 0) {
+            const child = new Deinflection(this.term, {rules: this.rules, definitions: this.definitions});
+            this.children.push(child);
+        }
 
-            return valid || this.children.length > 0;
-        });
+        return this.definitions.length > 0 || this.children.length > 0;
     }
 
     gather() {
@@ -112,16 +104,16 @@ class Deinflection {
 
 
 class Deinflector {
-    constructor() {
-        this.reasons = {};
-    }
-
-    setReasons(reasons) {
+    constructor(reasons) {
         this.reasons = reasons;
     }
 
-    deinflect(term, definer) {
+    async deinflect(term, definer) {
         const node = new Deinflection(term);
-        return node.deinflect(definer, this.reasons).then(success => success ? node.gather() : []);
+        if (await node.deinflect(definer, this.reasons)) {
+            return node.gather();
+        } else {
+            return [];
+        }
     }
 }
diff --git a/ext/bg/js/dictionary.js b/ext/bg/js/dictionary.js
new file mode 100644
index 00000000..c8d431b9
--- /dev/null
+++ b/ext/bg/js/dictionary.js
@@ -0,0 +1,273 @@
+/*
+ * Copyright (C) 2016-2017  Alex Yatskov <alex@foosoft.net>
+ * Author: Alex Yatskov <alex@foosoft.net>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+function dictEnabledSet(options) {
+    const dictionaries = {};
+    for (const title in options.dictionaries) {
+        const dictionary = options.dictionaries[title];
+        if (dictionary.enabled) {
+            dictionaries[title] = dictionary;
+        }
+    }
+
+    return dictionaries;
+}
+
+function dictConfigured(options) {
+    for (const title in options.dictionaries) {
+        if (options.dictionaries[title].enabled) {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+function dictRowsSort(rows, options) {
+    return rows.sort((ra, rb) => {
+        const pa = (options.dictionaries[ra.title] || {}).priority || 0;
+        const pb = (options.dictionaries[rb.title] || {}).priority || 0;
+        if (pa > pb) {
+            return -1;
+        } else if (pa < pb) {
+            return 1;
+        } else {
+            return 0;
+        }
+    });
+}
+
+function dictTermsSort(definitions, dictionaries=null) {
+    return definitions.sort((v1, v2) => {
+        const sl1 = v1.source.length;
+        const sl2 = v2.source.length;
+        if (sl1 > sl2) {
+            return -1;
+        } else if (sl1 < sl2) {
+            return 1;
+        }
+
+        if (dictionaries !== null) {
+            const p1 = (dictionaries[v1.dictionary] || {}).priority || 0;
+            const p2 = (dictionaries[v2.dictionary] || {}).priority || 0;
+            if (p1 > p2) {
+                return -1;
+            } else if (p1 < p2) {
+                return 1;
+            }
+        }
+
+        const s1 = v1.score;
+        const s2 = v2.score;
+        if (s1 > s2) {
+            return -1;
+        } else if (s1 < s2) {
+            return 1;
+        }
+
+        const rl1 = v1.reasons.length;
+        const rl2 = v2.reasons.length;
+        if (rl1 < rl2) {
+            return -1;
+        } else if (rl1 > rl2) {
+            return 1;
+        }
+
+        return v2.expression.localeCompare(v1.expression);
+    });
+}
+
+function dictTermsUndupe(definitions) {
+    const definitionGroups = {};
+    for (const definition of definitions) {
+        const definitionExisting = definitionGroups[definition.id];
+        if (!definitionGroups.hasOwnProperty(definition.id) || definition.expression.length > definitionExisting.expression.length) {
+            definitionGroups[definition.id] = definition;
+        }
+    }
+
+    const definitionsUnique = [];
+    for (const key in definitionGroups) {
+        definitionsUnique.push(definitionGroups[key]);
+    }
+
+    return definitionsUnique;
+}
+
+function dictTermsGroup(definitions, dictionaries) {
+    const groups = {};
+    for (const definition of definitions) {
+        const key = [definition.source, definition.expression].concat(definition.reasons);
+        if (definition.reading) {
+            key.push(definition.reading);
+        }
+
+        const group = groups[key];
+        if (group) {
+            group.push(definition);
+        } else {
+            groups[key] = [definition];
+        }
+    }
+
+    const results = [];
+    for (const key in groups) {
+        const groupDefs = groups[key];
+        const firstDef = groupDefs[0];
+        dictTermsSort(groupDefs, dictionaries);
+        results.push({
+            definitions: groupDefs,
+            expression: firstDef.expression,
+            reading: firstDef.reading,
+            reasons: firstDef.reasons,
+            score: groupDefs.reduce((p, v) => v.score > p ? v.score : p, Number.MIN_SAFE_INTEGER),
+            source: firstDef.source
+        });
+    }
+
+    return dictTermsSort(results);
+}
+
+function dictTagBuildSource(name) {
+    return dictTagSanitize({name, category: 'dictionary', order: 100});
+}
+
+function dictTagBuild(name, meta) {
+    const tag = {name};
+    const symbol = name.split(':')[0];
+    for (const prop in meta[symbol] || {}) {
+        tag[prop] = meta[symbol][prop];
+    }
+
+    return dictTagSanitize(tag);
+}
+
+function dictTagSanitize(tag) {
+    tag.name = tag.name || 'untitled';
+    tag.category = tag.category || 'default';
+    tag.notes = tag.notes || '';
+    tag.order = tag.order || 0;
+    return tag;
+}
+
+function dictTagsSort(tags) {
+    return tags.sort((v1, v2) => {
+        const order1 = v1.order;
+        const order2 = v2.order;
+        if (order1 < order2) {
+            return -1;
+        } else if (order1 > order2) {
+            return 1;
+        }
+
+        const name1 = v1.name;
+        const name2 = v2.name;
+        if (name1 < name2) {
+            return -1;
+        } else if (name1 > name2) {
+            return 1;
+        }
+
+        return 0;
+    });
+}
+
+function dictFieldSplit(field) {
+    return field.length === 0 ? [] : field.split(' ');
+}
+
+function dictFieldFormat(field, definition, mode, options) {
+    const markers = [
+        'audio',
+        'character',
+        'cloze-body',
+        'cloze-prefix',
+        'cloze-suffix',
+        'dictionary',
+        'expression',
+        'furigana',
+        'glossary',
+        'glossary-brief',
+        'kunyomi',
+        'onyomi',
+        'reading',
+        'sentence',
+        'tags',
+        'url'
+    ];
+
+    for (const marker of markers) {
+        const data = {
+            marker,
+            definition,
+            group: options.general.groupResults,
+            html: options.anki.htmlCards,
+            modeTermKanji: mode === 'term-kanji',
+            modeTermKana: mode === 'term-kana',
+            modeKanji: mode === 'kanji'
+        };
+
+        field = field.replace(
+            `{${marker}}`,
+            handlebarsRender('fields.html', data)
+        );
+    }
+
+    return field;
+}
+
+function dictNoteFormat(definition, mode, options) {
+    const note = {fields: {}, tags: options.anki.tags};
+    let fields = [];
+
+    if (mode === 'kanji') {
+        fields = options.anki.kanji.fields;
+        note.deckName = options.anki.kanji.deck;
+        note.modelName = options.anki.kanji.model;
+    } else {
+        fields = options.anki.terms.fields;
+        note.deckName = options.anki.terms.deck;
+        note.modelName = options.anki.terms.model;
+
+        if (definition.audio) {
+            const audio = {
+                url: definition.audio.url,
+                filename: definition.audio.filename,
+                skipHash: '7e2c2f954ef6051373ba916f000168dc',
+                fields: []
+            };
+
+            for (const name in fields) {
+                if (fields[name].includes('{audio}')) {
+                    audio.fields.push(name);
+                }
+            }
+
+            if (audio.fields.length > 0) {
+                note.audio = audio;
+            }
+        }
+    }
+
+    for (const name in fields) {
+        note.fields[name] = dictFieldFormat(fields[name], definition, mode, options);
+    }
+
+    return note;
+}
diff --git a/ext/bg/js/display-window.js b/ext/bg/js/display-window.js
deleted file mode 100644
index ae97cd36..00000000
--- a/ext/bg/js/display-window.js
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Copyright (C) 2016  Alex Yatskov <alex@foosoft.net>
- * Author: Alex Yatskov <alex@foosoft.net>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-
-window.displayWindow = new class extends Display {
-    constructor() {
-        super($('#spinner'), $('#content'));
-
-        const search = $('#search');
-        search.click(this.onSearch.bind(this));
-
-        const query = $('#query');
-        query.on('input', () => search.prop('disabled', query.val().length === 0));
-        window.wanakana.bind(query.get(0));
-    }
-
-    definitionAdd(definition, mode) {
-        return instYomi().definitionAdd(definition, mode);
-    }
-
-    definitionsAddable(definitions, modes) {
-        return instYomi().definitionsAddable(definitions, modes).catch(() => []);
-    }
-
-    templateRender(template, data) {
-        return instYomi().templateRender(template, data);
-    }
-
-    kanjiFind(character) {
-        return instYomi().kanjiFind(character);
-    }
-
-    handleError(error) {
-        window.alert(`Error: ${error}`);
-    }
-
-    clearSearch() {
-        $('#query').focus().select();
-    }
-
-    onSearch(e) {
-        e.preventDefault();
-        $('#intro').slideUp();
-        instYomi().termsFind($('#query').val()).then(({length, definitions}) => {
-            super.showTermDefs(definitions, instYomi().options);
-        }).catch(this.handleError.bind(this));
-    }
-};
diff --git a/ext/bg/js/handlebars.js b/ext/bg/js/handlebars.js
new file mode 100644
index 00000000..debb0690
--- /dev/null
+++ b/ext/bg/js/handlebars.js
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2016-2017  Alex Yatskov <alex@foosoft.net>
+ * Author: Alex Yatskov <alex@foosoft.net>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+function handlebarsEscape(text) {
+    return Handlebars.Utils.escapeExpression(text);
+}
+
+function handlebarsDumpObject(options) {
+    const dump = JSON.stringify(options.fn(this), null, 4);
+    return handlebarsEscape(dump);
+}
+
+function handlebarsKanjiLinks(options) {
+    let result = '';
+    for (const c of options.fn(this)) {
+        if (jpIsKanji(c)) {
+            result += `<a href="#" class="kanji-link">${c}</a>`;
+        } else {
+            result += c;
+        }
+    }
+
+    return result;
+}
+
+function handlebarsMultiLine(options) {
+    return options.fn(this).split('\n').join('<br>');
+}
+
+function handlebarsRender(template, data) {
+    if (Handlebars.partials !== Handlebars.templates) {
+        Handlebars.partials = Handlebars.templates;
+        Handlebars.registerHelper('dumpObject', handlebarsDumpObject);
+        Handlebars.registerHelper('kanjiLinks', handlebarsKanjiLinks);
+        Handlebars.registerHelper('multiLine', handlebarsMultiLine);
+    }
+
+    return Handlebars.templates[template](data);
+}
diff --git a/ext/bg/js/options.js b/ext/bg/js/options.js
index 5aa18366..ea52d337 100644
--- a/ext/bg/js/options.js
+++ b/ext/bg/js/options.js
@@ -17,388 +17,115 @@
  */
 
 
-/*
- * General
- */
-
-function formRead() {
-    return optionsLoad().then(optionsOld => {
-        const optionsNew = $.extend(true, {}, optionsOld);
-
-        optionsNew.general.showGuide = $('#show-usage-guide').prop('checked');
-        optionsNew.general.audioSource = $('#audio-playback-source').val();
-        optionsNew.general.audioVolume = parseFloat($('#audio-playback-volume').val());
-        optionsNew.general.groupResults = $('#group-terms-results').prop('checked');
-        optionsNew.general.debugInfo = $('#show-debug-info').prop('checked');
-        optionsNew.general.showAdvanced = $('#show-advanced-options').prop('checked');
-        optionsNew.general.maxResults = parseInt($('#max-displayed-results').val(), 10);
-        optionsNew.general.popupWidth = parseInt($('#popup-width').val(), 10);
-        optionsNew.general.popupHeight = parseInt($('#popup-height').val(), 10);
-        optionsNew.general.popupOffset = parseInt($('#popup-offset').val(), 10);
-
-        optionsNew.scanning.middleMouse = $('#middle-mouse-button-scan').prop('checked');
-        optionsNew.scanning.selectText = $('#select-matched-text').prop('checked');
-        optionsNew.scanning.alphanumeric = $('#search-alphanumeric').prop('checked');
-        optionsNew.scanning.delay = parseInt($('#scan-delay').val(), 10);
-        optionsNew.scanning.length = parseInt($('#scan-length').val(), 10);
-        optionsNew.scanning.modifier = $('#scan-modifier-key').val();
-
-        optionsNew.anki.enable = $('#anki-enable').prop('checked');
-        optionsNew.anki.tags = $('#card-tags').val().split(/[,; ]+/);
-        optionsNew.anki.htmlCards = $('#generate-html-cards').prop('checked');
-        optionsNew.anki.sentenceExt = parseInt($('#sentence-detection-extent').val(), 10);
-        optionsNew.anki.server = $('#interface-server').val();
-
-        if (optionsOld.anki.enable && !$('#anki-error').is(':visible')) {
-            optionsNew.anki.terms.deck = $('#anki-terms-deck').val();
-            optionsNew.anki.terms.model = $('#anki-terms-model').val();
-            optionsNew.anki.terms.fields = ankiFieldsToDict($('#terms .anki-field-value'));
-            optionsNew.anki.kanji.deck = $('#anki-kanji-deck').val();
-            optionsNew.anki.kanji.model = $('#anki-kanji-model').val();
-            optionsNew.anki.kanji.fields = ankiFieldsToDict($('#kanji .anki-field-value'));
+function optionsSetDefaults(options) {
+    const defaults = {
+        general: {
+            enable: true,
+            audioSource: 'jpod101',
+            audioVolume: 100,
+            groupResults: true,
+            debugInfo: false,
+            maxResults: 32,
+            showAdvanced: false,
+            popupWidth: 400,
+            popupHeight: 250,
+            popupOffset: 10,
+            showGuide: true
+        },
+
+        scanning: {
+            middleMouse: true,
+            selectText: true,
+            alphanumeric: true,
+            delay: 15,
+            length: 10,
+            modifier: 'shift'
+        },
+
+        dictionaries: {},
+
+        anki: {
+            enable: false,
+            server: 'http://127.0.0.1:8765',
+            tags: ['yomichan'],
+            htmlCards: true,
+            sentenceExt: 200,
+            terms: {deck: '', model: '', fields: {}},
+            kanji: {deck: '', model: '', fields: {}}
         }
+    };
 
-        $('.dict-group').each((index, element) => {
-            const dictionary = $(element);
-            const title = dictionary.data('title');
-            const priority = parseInt(dictionary.find('.dict-priority').val(), 10);
-            const enabled = dictionary.find('.dict-enabled').prop('checked');
-            optionsNew.dictionaries[title] = {priority, enabled};
-        });
-
-        return {optionsNew, optionsOld};
-    });
-}
-
-function updateVisibility(options) {
-    const general = $('#anki-general');
-    if (options.anki.enable) {
-        general.show();
-    } else {
-        general.hide();
-    }
-
-    const advanced = $('.options-advanced');
-    if (options.general.showAdvanced) {
-        advanced.show();
-    } else {
-        advanced.hide();
-    }
-
-    const debug = $('#debug');
-    if (options.general.debugInfo) {
-        const text = JSON.stringify(options, null, 4);
-        debug.html(handlebarsEscape(text));
-        debug.show();
-    } else {
-        debug.hide();
-    }
-}
-
-function onOptionsChanged(e) {
-    if (!e.originalEvent && !e.isTrigger) {
-        return;
-    }
-
-    formRead().then(({optionsNew, optionsOld}) => {
-        return optionsSave(optionsNew).then(() => {
-            updateVisibility(optionsNew);
-
-            const ankiUpdated =
-                optionsNew.anki.enable !== optionsOld.anki.enable ||
-                optionsNew.anki.server !== optionsOld.anki.server;
-
-            if (ankiUpdated) {
-                ankiErrorShow(null);
-                ankiSpinnerShow(true);
-                return ankiDeckAndModelPopulate(optionsNew);
+    const combine = (target, source) => {
+        for (const key in source) {
+            if (!target.hasOwnProperty(key)) {
+                target[key] = source[key];
             }
-        });
-    }).catch(ankiErrorShow).then(() => ankiSpinnerShow(false));
-}
-
-$(document).ready(() => {
-    handlebarsRegister();
-
-    optionsLoad().then(options => {
-        $('#show-usage-guide').prop('checked', options.general.showGuide);
-        $('#audio-playback-source').val(options.general.audioSource);
-        $('#audio-playback-volume').val(options.general.audioVolume);
-        $('#group-terms-results').prop('checked', options.general.groupResults);
-        $('#show-debug-info').prop('checked', options.general.debugInfo);
-        $('#show-advanced-options').prop('checked', options.general.showAdvanced);
-        $('#max-displayed-results').val(options.general.maxResults);
-        $('#popup-width').val(options.general.popupWidth);
-        $('#popup-height').val(options.general.popupHeight);
-        $('#popup-offset').val(options.general.popupOffset);
-
-        $('#middle-mouse-button-scan').prop('checked', options.scanning.middleMouse);
-        $('#select-matched-text').prop('checked', options.scanning.selectText);
-        $('#search-alphanumeric').prop('checked', options.scanning.alphanumeric);
-        $('#scan-delay').val(options.scanning.delay);
-        $('#scan-length').val(options.scanning.length);
-        $('#scan-modifier-key').val(options.scanning.modifier);
-
-        $('#dict-purge').click(onDictionaryPurge);
-        $('#dict-file').change(onDictionaryImport);
-
-        $('#anki-enable').prop('checked', options.anki.enable);
-        $('#card-tags').val(options.anki.tags.join(' '));
-        $('#generate-html-cards').prop('checked', options.anki.htmlCards);
-        $('#sentence-detection-extent').val(options.anki.sentenceExt);
-        $('#interface-server').val(options.anki.server);
-        $('input, select').not('.anki-model').change(onOptionsChanged);
-        $('.anki-model').change(onAnkiModelChanged);
-
-        dictionaryGroupsPopulate(options);
-        ankiDeckAndModelPopulate(options);
-        updateVisibility(options);
-    });
-});
-
-
-/*
- * Dictionary
- */
-
-function dictionaryErrorShow(error) {
-    const dialog = $('#dict-error');
-    if (error) {
-        dialog.show().find('span').text(error);
-    } else {
-        dialog.hide();
-    }
-}
-
-function dictionarySpinnerShow(show) {
-    const spinner = $('#dict-spinner');
-    if (show) {
-        spinner.show();
-    } else {
-        spinner.hide();
-    }
-}
-
-function dictionaryGroupsSort() {
-    const dictGroups = $('#dict-groups');
-    const dictGroupChildren = dictGroups.children('.dict-group').sort((ca, cb) => {
-        const pa = parseInt($(ca).find('.dict-priority').val(), 10);
-        const pb = parseInt($(cb).find('.dict-priority').val(), 10);
-        if (pa < pb) {
-            return 1;
-        } else if (pa > pb) {
-            return -1;
-        } else {
-            return 0;
         }
-    });
-
-    dictGroups.append(dictGroupChildren);
-}
-
-function dictionaryGroupsPopulate(options) {
-    dictionaryErrorShow(null);
-    dictionarySpinnerShow(true);
+    };
 
-    const dictGroups = $('#dict-groups').empty();
-    const dictWarning = $('#dict-warning').hide();
+    combine(options, defaults);
+    combine(options.general, defaults.general);
+    combine(options.scanning, defaults.scanning);
+    combine(options.anki, defaults.anki);
+    combine(options.anki.terms, defaults.anki.terms);
+    combine(options.anki.kanji, defaults.anki.kanji);
 
-    return instDb().getDictionaries().then(rows => {
-        if (rows.length === 0) {
-            dictWarning.show();
-        }
-
-        for (const row of dictRowsSort(rows, options)) {
-            const dictOptions = options.dictionaries[row.title] || {enabled: false, priority: 0};
-            const dictHtml = handlebarsRender('dictionary.html', {
-                title: row.title,
-                version: row.version,
-                revision: row.revision,
-                priority: dictOptions.priority,
-                enabled: dictOptions.enabled
-            });
-
-            dictGroups.append($(dictHtml));
-        }
-
-        updateVisibility(options);
-
-        $('.dict-enabled, .dict-priority').change(e => {
-            dictionaryGroupsSort();
-            onOptionsChanged(e);
-        });
-    }).catch(dictionaryErrorShow).then(() => dictionarySpinnerShow(false));
-}
-
-function onDictionaryPurge(e) {
-    e.preventDefault();
-
-    dictionaryErrorShow(null);
-    dictionarySpinnerShow(true);
-
-    const dictControls = $('#dict-importer, #dict-groups').hide();
-    const dictProgress = $('#dict-purge-progress').show();
-
-    instDb().purge().catch(dictionaryErrorShow).then(() => {
-        dictionarySpinnerShow(false);
-        dictControls.show();
-        dictProgress.hide();
-        return optionsLoad();
-    }).then(options => {
-        options.dictionaries = {};
-        optionsSave(options).then(() => dictionaryGroupsPopulate(options));
-    });
+    return options;
 }
 
-function onDictionaryImport(e) {
-    dictionaryErrorShow(null);
-    dictionarySpinnerShow(true);
-
-    const dictFile = $('#dict-file');
-    const dictImporter = $('#dict-importer').hide();
-    const dictProgress = $('#dict-import-progress').show();
-    const setProgress = percent => dictProgress.find('.progress-bar').css('width', `${percent}%`);
-    const updateProgress = (total, current) => setProgress(current / total * 100.0);
-
-    setProgress(0.0);
-
-    optionsLoad().then(options => {
-        return instDb().importDictionary(e.target.files[0], updateProgress).then(summary => {
-            options.dictionaries[summary.title] = {enabled: true, priority: 0};
-            return optionsSave(options);
-        }).then(() => dictionaryGroupsPopulate(options));
-    }).catch(dictionaryErrorShow).then(() => {
-        dictFile.val('');
-        dictionarySpinnerShow(false);
-        dictProgress.hide();
-        dictImporter.show();
-    });
-}
-
-/*
- * Anki
- */
+function optionsVersion(options) {
+    const fixups = [
+        () => {},
+        () => {},
+        () => {},
+        () => {},
+        () => {
+            if (options.general.audioPlayback) {
+                options.general.audioSource = 'jpod101';
+            } else {
+                options.general.audioSource = 'disabled';
+            }
+        },
+        () => {
+            options.general.showGuide = false;
+        },
+        () => {
+            if (options.scanning.requireShift) {
+                options.scanning.modifier = 'shift';
+            } else {
+                options.scanning.modifier = 'none';
+            }
+        }
+    ];
 
-function ankiSpinnerShow(show) {
-    const spinner = $('#anki-spinner');
-    if (show) {
-        spinner.show();
-    } else {
-        spinner.hide();
+    optionsSetDefaults(options);
+    if (!options.hasOwnProperty('version')) {
+        options.version = fixups.length;
     }
-}
 
-function ankiErrorShow(error) {
-    const dialog = $('#anki-error');
-    if (error) {
-        dialog.show().find('span').text(error);
+    while (options.version < fixups.length) {
+        fixups[options.version++]();
     }
-    else {
-        dialog.hide();
-    }
-}
-
-function ankiFieldsToDict(selection) {
-    const result = {};
-    selection.each((index, element) => {
-        result[$(element).data('field')] = $(element).val();
-    });
-
-    return result;
-}
-
-function ankiDeckAndModelPopulate(options) {
-    ankiErrorShow(null);
-    ankiSpinnerShow(true);
-
-    const ankiFormat = $('#anki-format').hide();
-    return Promise.all([instAnki().getDeckNames(), instAnki().getModelNames()]).then(([deckNames, modelNames]) => {
-        const ankiDeck = $('.anki-deck');
-        ankiDeck.find('option').remove();
-        deckNames.sort().forEach(name => ankiDeck.append($('<option/>', {value: name, text: name})));
 
-        $('#anki-terms-deck').val(options.anki.terms.deck);
-        $('#anki-kanji-deck').val(options.anki.kanji.deck);
-
-        const ankiModel = $('.anki-model');
-        ankiModel.find('option').remove();
-        modelNames.sort().forEach(name => ankiModel.append($('<option/>', {value: name, text: name})));
-
-        return Promise.all([
-            ankiFieldsPopulate($('#anki-terms-model').val(options.anki.terms.model), options),
-            ankiFieldsPopulate($('#anki-kanji-model').val(options.anki.kanji.model), options)
-        ]);
-    }).then(() => ankiFormat.show()).catch(ankiErrorShow).then(() => ankiSpinnerShow(false));
+    return options;
 }
 
-function ankiFieldsPopulate(element, options) {
-    const tab = element.closest('.tab-pane');
-    const tabId = tab.attr('id');
-    const container = tab.find('tbody').empty();
-
-    const modelName = element.val();
-    if (modelName === null) {
-        return Promise.resolve();
-    }
-
-    const markers = {
-        'terms': [
-            'audio',
-            'cloze-body',
-            'cloze-prefix',
-            'cloze-suffix',
-            'dictionary',
-            'expression',
-            'furigana',
-            'glossary',
-            'reading',
-            'sentence',
-            'tags',
-            'url'
-        ],
-        'kanji': [
-            'character',
-            'dictionary',
-            'glossary',
-            'kunyomi',
-            'onyomi',
-            'sentence',
-            'tags',
-            'url'
-        ]
-    }[tabId] || {};
-
-    return instAnki().getModelFieldNames(modelName).then(names => {
-        names.forEach(name => {
-            const value = options.anki[tabId].fields[name] || '';
-            const html = Handlebars.templates['model.html']({name, markers, value});
-            container.append($(html));
-        });
-
-        tab.find('.anki-field-value').change(onOptionsChanged);
-        tab.find('.marker-link').click(e => {
-            e.preventDefault();
-            const link = e.target;
-            $(link).closest('.input-group').find('.anki-field-value').val(`{${link.text}}`).trigger('change');
-        });
+function optionsLoad() {
+    return new Promise((resolve, reject) => {
+        chrome.storage.local.get(null, store => resolve(store.options));
+    }).then(optionsStr => {
+        return optionsStr ? JSON.parse(optionsStr) : {};
+    }).catch(error => {
+        return {};
+    }).then(options => {
+        return optionsVersion(options);
     });
 }
 
-function onAnkiModelChanged(e) {
-    if (!e.originalEvent) {
-        return;
-    }
-
-    ankiErrorShow(null);
-    ankiSpinnerShow(true);
-
-    const element = $(this);
-    formRead().then(({optionsNew, optionsOld}) => {
-        const tab = element.closest('.tab-pane');
-        const tabId = tab.attr('id');
-        optionsNew.anki[tabId].fields = {};
-        ankiFieldsPopulate(element, optionsNew).then(() => {
-            optionsSave(optionsNew);
-        }).catch(ankiErrorShow).then(() => ankiSpinnerShow(false));
+function optionsSave(options) {
+    return new Promise((resolve, reject) => {
+        chrome.storage.local.set({options: JSON.stringify(options)}, resolve);
+    }).then(() => {
+        apiOptionsSet(options);
     });
 }
diff --git a/ext/bg/js/request.js b/ext/bg/js/request.js
new file mode 100644
index 00000000..94fd135a
--- /dev/null
+++ b/ext/bg/js/request.js
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2017  Alex Yatskov <alex@foosoft.net>
+ * Author: Alex Yatskov <alex@foosoft.net>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+function requestJson(url, action, params) {
+    return new Promise((resolve, reject) => {
+        const xhr = new XMLHttpRequest();
+        xhr.overrideMimeType('application/json');
+        xhr.addEventListener('load', () => resolve(xhr.responseText));
+        xhr.addEventListener('error', () => reject('failed to execute network request'));
+        xhr.open(action, url);
+        if (params) {
+            xhr.send(JSON.stringify(params));
+        } else {
+            xhr.send();
+        }
+    }).then(responseText => {
+        try {
+            return JSON.parse(responseText);
+        }
+        catch (e) {
+            return Promise.reject('invalid JSON response');
+        }
+    });
+}
diff --git a/ext/bg/js/search.js b/ext/bg/js/search.js
new file mode 100644
index 00000000..54cda8ec
--- /dev/null
+++ b/ext/bg/js/search.js
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2016-2017  Alex Yatskov <alex@foosoft.net>
+ * Author: Alex Yatskov <alex@foosoft.net>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+class DisplaySearch extends Display {
+    constructor() {
+        super($('#spinner'), $('#content'));
+
+        this.search = $('#search').click(this.onSearch.bind(this));
+        this.query = $('#query').on('input', this.onSearchInput.bind(this));
+        this.intro = $('#intro');
+
+        window.wanakana.bind(this.query.get(0));
+    }
+
+    onError(error) {
+        window.alert(`Error: ${error}`);
+    }
+
+    onSearchClear() {
+        this.query.focus().select();
+    }
+
+    onSearchInput() {
+        this.search.prop('disabled', this.query.val().length === 0);
+    }
+
+    async onSearch(e) {
+        try {
+            e.preventDefault();
+            this.intro.slideUp();
+            const {length, definitions} = await apiTermsFind(this.query.val());
+            super.termsShow(definitions, await apiOptionsGet());
+        } catch (e) {
+            this.onError(e);
+        }
+    }
+}
+
+window.yomichan_search = new DisplaySearch();
diff --git a/ext/bg/js/settings.js b/ext/bg/js/settings.js
new file mode 100644
index 00000000..7bdd9f84
--- /dev/null
+++ b/ext/bg/js/settings.js
@@ -0,0 +1,432 @@
+/*
+ * Copyright (C) 2016-2017  Alex Yatskov <alex@foosoft.net>
+ * Author: Alex Yatskov <alex@foosoft.net>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+async function formRead() {
+    const optionsOld = await optionsLoad();
+    const optionsNew = $.extend(true, {}, optionsOld);
+
+    optionsNew.general.showGuide = $('#show-usage-guide').prop('checked');
+    optionsNew.general.audioSource = $('#audio-playback-source').val();
+    optionsNew.general.audioVolume = parseFloat($('#audio-playback-volume').val());
+    optionsNew.general.groupResults = $('#group-terms-results').prop('checked');
+    optionsNew.general.debugInfo = $('#show-debug-info').prop('checked');
+    optionsNew.general.showAdvanced = $('#show-advanced-options').prop('checked');
+    optionsNew.general.maxResults = parseInt($('#max-displayed-results').val(), 10);
+    optionsNew.general.popupWidth = parseInt($('#popup-width').val(), 10);
+    optionsNew.general.popupHeight = parseInt($('#popup-height').val(), 10);
+    optionsNew.general.popupOffset = parseInt($('#popup-offset').val(), 10);
+
+    optionsNew.scanning.middleMouse = $('#middle-mouse-button-scan').prop('checked');
+    optionsNew.scanning.selectText = $('#select-matched-text').prop('checked');
+    optionsNew.scanning.alphanumeric = $('#search-alphanumeric').prop('checked');
+    optionsNew.scanning.delay = parseInt($('#scan-delay').val(), 10);
+    optionsNew.scanning.length = parseInt($('#scan-length').val(), 10);
+    optionsNew.scanning.modifier = $('#scan-modifier-key').val();
+
+    optionsNew.anki.enable = $('#anki-enable').prop('checked');
+    optionsNew.anki.tags = $('#card-tags').val().split(/[,; ]+/);
+    optionsNew.anki.htmlCards = $('#generate-html-cards').prop('checked');
+    optionsNew.anki.sentenceExt = parseInt($('#sentence-detection-extent').val(), 10);
+    optionsNew.anki.server = $('#interface-server').val();
+
+    if (optionsOld.anki.enable && !ankiErrorShown()) {
+        optionsNew.anki.terms.deck = $('#anki-terms-deck').val();
+        optionsNew.anki.terms.model = $('#anki-terms-model').val();
+        optionsNew.anki.terms.fields = ankiFieldsToDict($('#terms .anki-field-value'));
+        optionsNew.anki.kanji.deck = $('#anki-kanji-deck').val();
+        optionsNew.anki.kanji.model = $('#anki-kanji-model').val();
+        optionsNew.anki.kanji.fields = ankiFieldsToDict($('#kanji .anki-field-value'));
+    }
+
+    $('.dict-group').each((index, element) => {
+        const dictionary = $(element);
+        const title = dictionary.data('title');
+        const priority = parseInt(dictionary.find('.dict-priority').val(), 10);
+        const enabled = dictionary.find('.dict-enabled').prop('checked');
+        optionsNew.dictionaries[title] = {priority, enabled};
+    });
+
+    return {optionsNew, optionsOld};
+}
+
+function formUpdateVisibility(options) {
+    const general = $('#anki-general');
+    if (options.anki.enable) {
+        general.show();
+    } else {
+        general.hide();
+    }
+
+    const advanced = $('.options-advanced');
+    if (options.general.showAdvanced) {
+        advanced.show();
+    } else {
+        advanced.hide();
+    }
+
+    const debug = $('#debug');
+    if (options.general.debugInfo) {
+        const text = JSON.stringify(options, null, 4);
+        debug.html(handlebarsEscape(text));
+        debug.show();
+    } else {
+        debug.hide();
+    }
+}
+
+async function onFormOptionsChanged(e) {
+    try {
+        if (!e.originalEvent && !e.isTrigger) {
+            return;
+        }
+
+        const {optionsNew, optionsOld} = await formRead();
+        await optionsSave(optionsNew);
+
+        formUpdateVisibility(optionsNew);
+
+        const ankiUpdated =
+            optionsNew.anki.enable !== optionsOld.anki.enable ||
+            optionsNew.anki.server !== optionsOld.anki.server;
+
+        if (ankiUpdated) {
+            ankiSpinnerShow(true);
+            await ankiDeckAndModelPopulate(optionsNew);
+            ankiErrorShow();
+        }
+    } catch (e) {
+        ankiErrorShow(e);
+    } finally {
+        ankiSpinnerShow(false);
+    }
+}
+
+async function onReady() {
+    const options = await optionsLoad();
+
+    $('#show-usage-guide').prop('checked', options.general.showGuide);
+    $('#audio-playback-source').val(options.general.audioSource);
+    $('#audio-playback-volume').val(options.general.audioVolume);
+    $('#group-terms-results').prop('checked', options.general.groupResults);
+    $('#show-debug-info').prop('checked', options.general.debugInfo);
+    $('#show-advanced-options').prop('checked', options.general.showAdvanced);
+    $('#max-displayed-results').val(options.general.maxResults);
+    $('#popup-width').val(options.general.popupWidth);
+    $('#popup-height').val(options.general.popupHeight);
+    $('#popup-offset').val(options.general.popupOffset);
+
+    $('#middle-mouse-button-scan').prop('checked', options.scanning.middleMouse);
+    $('#select-matched-text').prop('checked', options.scanning.selectText);
+    $('#search-alphanumeric').prop('checked', options.scanning.alphanumeric);
+    $('#scan-delay').val(options.scanning.delay);
+    $('#scan-length').val(options.scanning.length);
+    $('#scan-modifier-key').val(options.scanning.modifier);
+
+    $('#dict-purge').click(utilAsync(onDictionaryPurge));
+    $('#dict-file').change(utilAsync(onDictionaryImport));
+
+    $('#anki-enable').prop('checked', options.anki.enable);
+    $('#card-tags').val(options.anki.tags.join(' '));
+    $('#generate-html-cards').prop('checked', options.anki.htmlCards);
+    $('#sentence-detection-extent').val(options.anki.sentenceExt);
+    $('#interface-server').val(options.anki.server);
+    $('input, select').not('.anki-model').change(utilAsync(onFormOptionsChanged));
+    $('.anki-model').change(utilAsync(onAnkiModelChanged));
+
+    try {
+        await dictionaryGroupsPopulate(options);
+    } catch (e) {
+        dictionaryErrorShow(e);
+    }
+
+    try {
+        await ankiDeckAndModelPopulate(options);
+    } catch (e) {
+        ankiErrorShow(e);
+    }
+
+    formUpdateVisibility(options);
+}
+
+$(document).ready(utilAsync(onReady));
+
+
+/*
+ * Dictionary
+ */
+
+function dictionaryErrorShow(error) {
+    const dialog = $('#dict-error');
+    if (error) {
+        dialog.show().find('span').text(error);
+    } else {
+        dialog.hide();
+    }
+}
+
+function dictionarySpinnerShow(show) {
+    const spinner = $('#dict-spinner');
+    if (show) {
+        spinner.show();
+    } else {
+        spinner.hide();
+    }
+}
+
+function dictionaryGroupsSort() {
+    const dictGroups = $('#dict-groups');
+    const dictGroupChildren = dictGroups.children('.dict-group').sort((ca, cb) => {
+        const pa = parseInt($(ca).find('.dict-priority').val(), 10);
+        const pb = parseInt($(cb).find('.dict-priority').val(), 10);
+        if (pa < pb) {
+            return 1;
+        } else if (pa > pb) {
+            return -1;
+        } else {
+            return 0;
+        }
+    });
+
+    dictGroups.append(dictGroupChildren);
+}
+
+async function dictionaryGroupsPopulate(options) {
+    const dictGroups = $('#dict-groups').empty();
+    const dictWarning = $('#dict-warning').hide();
+
+    const dictRows = await utilDatabaseGetDictionaries();
+    if (dictRows.length === 0) {
+        dictWarning.show();
+    }
+
+    for (const dictRow of dictRowsSort(dictRows, options)) {
+        const dictOptions = options.dictionaries[dictRow.title] || {enabled: false, priority: 0};
+        const dictHtml = handlebarsRender('dictionary.html', {
+            title: dictRow.title,
+            version: dictRow.version,
+            revision: dictRow.revision,
+            priority: dictOptions.priority,
+            enabled: dictOptions.enabled
+        });
+
+        dictGroups.append($(dictHtml));
+    }
+
+    formUpdateVisibility(options);
+
+    $('.dict-enabled, .dict-priority').change(e => {
+        dictionaryGroupsSort();
+        onFormOptionsChanged(e);
+    });
+}
+
+async function onDictionaryPurge(e) {
+    e.preventDefault();
+
+    const dictControls = $('#dict-importer, #dict-groups').hide();
+    const dictProgress = $('#dict-purge-progress').show();
+
+    try {
+        dictionaryErrorShow();
+        dictionarySpinnerShow(true);
+
+        await utilDatabasePurge();
+        const options = await optionsLoad();
+        options.dictionaries = {};
+        await optionsSave(options);
+
+        await dictionaryGroupsPopulate(options);
+    } catch (e) {
+        dictionaryErrorShow(e);
+    } finally {
+        dictionarySpinnerShow(false);
+
+        dictControls.show();
+        dictProgress.hide();
+    }
+}
+
+async function onDictionaryImport(e) {
+    const dictFile = $('#dict-file');
+    const dictControls = $('#dict-importer').hide();
+    const dictProgress = $('#dict-import-progress').show();
+
+    try {
+        dictionaryErrorShow();
+        dictionarySpinnerShow(true);
+
+        const setProgress = percent => dictProgress.find('.progress-bar').css('width', `${percent}%`);
+        const updateProgress = (total, current) => setProgress(current / total * 100.0);
+        setProgress(0.0);
+
+        const options = await optionsLoad();
+        const summary = await utilDatabaseImport(e.target.files[0], updateProgress);
+        options.dictionaries[summary.title] = {enabled: true, priority: 0};
+        await optionsSave(options);
+
+        await dictionaryGroupsPopulate(options);
+    } catch (e) {
+        dictionaryErrorShow(e);
+    } finally {
+        dictionarySpinnerShow(false);
+
+        dictFile.val('');
+        dictControls.show();
+        dictProgress.hide();
+    }
+}
+
+
+/*
+ * Anki
+ */
+
+function ankiSpinnerShow(show) {
+    const spinner = $('#anki-spinner');
+    if (show) {
+        spinner.show();
+    } else {
+        spinner.hide();
+    }
+}
+
+function ankiErrorShow(error) {
+    const dialog = $('#anki-error');
+    if (error) {
+        dialog.show().find('span').text(error);
+    }
+    else {
+        dialog.hide();
+    }
+}
+
+function ankiErrorShown() {
+    return $('#anki-error').is(':visible');
+}
+
+function ankiFieldsToDict(selection) {
+    const result = {};
+    selection.each((index, element) => {
+        result[$(element).data('field')] = $(element).val();
+    });
+
+    return result;
+}
+
+async function ankiDeckAndModelPopulate(options) {
+    const ankiFormat = $('#anki-format').hide();
+    const ankiTermsModel = $('#anki-terms-model').val(options.anki.terms.model);
+    const ankiKanjiModel = $('#anki-kanji-model').val(options.anki.kanji.model);
+
+    $('#anki-terms-deck').val(options.anki.terms.deck);
+    $('#anki-kanji-deck').val(options.anki.kanji.deck);
+
+    const deckNames = await utilAnkiGetDeckNames();
+    const ankiDeck = $('.anki-deck');
+    ankiDeck.find('option').remove();
+    deckNames.sort().forEach(name => ankiDeck.append($('<option/>', {value: name, text: name})));
+
+    const modelNames = await utilAnkiGetModelNames();
+    const ankiModel = $('.anki-model');
+    ankiModel.find('option').remove();
+    modelNames.sort().forEach(name => ankiModel.append($('<option/>', {value: name, text: name})));
+
+    await ankiFieldsPopulate(ankiTermsModel, options);
+    await ankiFieldsPopulate(ankiKanjiModel, options);
+
+    ankiFormat.show();
+}
+
+async function ankiFieldsPopulate(element, options) {
+    const modelName = element.val();
+    if (!modelName) {
+        return;
+    }
+
+    const tab = element.closest('.tab-pane');
+    const tabId = tab.attr('id');
+    const container = tab.find('tbody').empty();
+
+    const markers = {
+        'terms': [
+            'audio',
+            'cloze-body',
+            'cloze-prefix',
+            'cloze-suffix',
+            'dictionary',
+            'expression',
+            'furigana',
+            'glossary',
+            'glossary-brief',
+            'reading',
+            'sentence',
+            'tags',
+            'url'
+        ],
+        'kanji': [
+            'character',
+            'dictionary',
+            'glossary',
+            'kunyomi',
+            'onyomi',
+            'sentence',
+            'tags',
+            'url'
+        ]
+    }[tabId] || {};
+
+    for (const name of await utilAnkiGetModelFieldNames(modelName)) {
+        const value = options.anki[tabId].fields[name] || '';
+        const html = Handlebars.templates['model.html']({name, markers, value});
+        container.append($(html));
+    }
+
+    tab.find('.anki-field-value').change(utilAsync(onFormOptionsChanged));
+    tab.find('.marker-link').click(onAnkiMarkerClicked);
+}
+
+function onAnkiMarkerClicked(e) {
+    e.preventDefault();
+    const link = e.target;
+    $(link).closest('.input-group').find('.anki-field-value').val(`{${link.text}}`).trigger('change');
+}
+
+async function onAnkiModelChanged(e) {
+    try {
+        if (!e.originalEvent) {
+            return;
+        }
+
+        const element = $(this);
+        const tab = element.closest('.tab-pane');
+        const tabId = tab.attr('id');
+
+        const {optionsNew, optionsOld} = await formRead();
+        optionsNew.anki[tabId].fields = {};
+        await optionsSave(optionsNew);
+
+        ankiSpinnerShow(true);
+        await ankiFieldsPopulate(element, optionsNew);
+        ankiErrorShow();
+    } catch (e) {
+        ankiErrorShow(e);
+    } finally {
+        ankiSpinnerShow(false);
+    }
+}
diff --git a/ext/bg/js/templates.js b/ext/bg/js/templates.js
index f10134ee..7e05015a 100644
--- a/ext/bg/js/templates.js
+++ b/ext/bg/js/templates.js
@@ -3,7 +3,7 @@
 templates['dictionary.html'] = template({"1":function(container,depth0,helpers,partials,data) {
     return "checked";
 },"compiler":[7,">= 4.0.0"],"main":function(container,depth0,helpers,partials,data) {
-    var stack1, helper, alias1=depth0 != null ? depth0 : {}, alias2=helpers.helperMissing, alias3="function", alias4=container.escapeExpression;
+    var stack1, helper, alias1=depth0 != null ? depth0 : (container.nullContext || {}), alias2=helpers.helperMissing, alias3="function", alias4=container.escapeExpression;
 
   return "<div class=\"dict-group well well-sm\" data-title=\""
     + alias4(((helper = (helper = helpers.title || (depth0 != null ? depth0.title : depth0)) != null ? helper : alias2),(typeof helper === alias3 ? helper.call(alias1,{"name":"title","hash":{},"data":data}) : helper)))
@@ -24,106 +24,114 @@ templates['dictionary.html'] = template({"1":function(container,depth0,helpers,p
 templates['fields.html'] = template({"1":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : {},(depth0 != null ? depth0.html : depth0),{"name":"if","hash":{},"fn":container.program(2, data, 0),"inverse":container.program(14, data, 0),"data":data})) != null ? stack1 : "");
+  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.html : depth0),{"name":"if","hash":{},"fn":container.program(2, data, 0),"inverse":container.program(15, data, 0),"data":data})) != null ? stack1 : "");
 },"2":function(container,depth0,helpers,partials,data) {
-    var stack1, alias1=depth0 != null ? depth0 : {};
+    var stack1, alias1=depth0 != null ? depth0 : (container.nullContext || {});
 
-  return ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.tags : depth0),{"name":"if","hash":{},"fn":container.program(3, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
-    + ((stack1 = helpers["if"].call(alias1,((stack1 = (depth0 != null ? depth0.glossary : depth0)) != null ? stack1["1"] : stack1),{"name":"if","hash":{},"fn":container.program(7, data, 0),"inverse":container.program(11, data, 0),"data":data})) != null ? stack1 : "");
+  return ((stack1 = helpers.unless.call(alias1,(depth0 != null ? depth0.brief : depth0),{"name":"unless","hash":{},"fn":container.program(3, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+    + ((stack1 = helpers["if"].call(alias1,((stack1 = (depth0 != null ? depth0.glossary : depth0)) != null ? stack1["1"] : stack1),{"name":"if","hash":{},"fn":container.program(8, data, 0),"inverse":container.program(12, data, 0),"data":data})) != null ? stack1 : "");
 },"3":function(container,depth0,helpers,partials,data) {
     var stack1;
 
+  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.tags : depth0),{"name":"if","hash":{},"fn":container.program(4, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "");
+},"4":function(container,depth0,helpers,partials,data) {
+    var stack1;
+
   return "<i>("
-    + ((stack1 = helpers.each.call(depth0 != null ? depth0 : {},(depth0 != null ? depth0.tags : depth0),{"name":"each","hash":{},"fn":container.program(4, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+    + ((stack1 = helpers.each.call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.tags : depth0),{"name":"each","hash":{},"fn":container.program(5, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
     + ")</i> ";
-},"4":function(container,depth0,helpers,partials,data) {
-    var stack1, helper, alias1=depth0 != null ? depth0 : {};
+},"5":function(container,depth0,helpers,partials,data) {
+    var stack1, helper, alias1=depth0 != null ? depth0 : (container.nullContext || {});
 
   return container.escapeExpression(((helper = (helper = helpers.name || (depth0 != null ? depth0.name : depth0)) != null ? helper : helpers.helperMissing),(typeof helper === "function" ? helper.call(alias1,{"name":"name","hash":{},"data":data}) : helper)))
-    + ((stack1 = helpers.unless.call(alias1,(data && data.last),{"name":"unless","hash":{},"fn":container.program(5, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "");
-},"5":function(container,depth0,helpers,partials,data) {
+    + ((stack1 = helpers.unless.call(alias1,(data && data.last),{"name":"unless","hash":{},"fn":container.program(6, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "");
+},"6":function(container,depth0,helpers,partials,data) {
     return ", ";
-},"7":function(container,depth0,helpers,partials,data) {
+},"8":function(container,depth0,helpers,partials,data) {
     var stack1;
 
   return "<ul>"
-    + ((stack1 = helpers.each.call(depth0 != null ? depth0 : {},(depth0 != null ? depth0.glossary : depth0),{"name":"each","hash":{},"fn":container.program(8, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+    + ((stack1 = helpers.each.call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.glossary : depth0),{"name":"each","hash":{},"fn":container.program(9, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
     + "</ul>";
-},"8":function(container,depth0,helpers,partials,data) {
+},"9":function(container,depth0,helpers,partials,data) {
     var stack1, helper, options, buffer = 
   "<li>";
-  stack1 = ((helper = (helper = helpers.multiLine || (depth0 != null ? depth0.multiLine : depth0)) != null ? helper : helpers.helperMissing),(options={"name":"multiLine","hash":{},"fn":container.program(9, data, 0),"inverse":container.noop,"data":data}),(typeof helper === "function" ? helper.call(depth0 != null ? depth0 : {},options) : helper));
+  stack1 = ((helper = (helper = helpers.multiLine || (depth0 != null ? depth0.multiLine : depth0)) != null ? helper : helpers.helperMissing),(options={"name":"multiLine","hash":{},"fn":container.program(10, data, 0),"inverse":container.noop,"data":data}),(typeof helper === "function" ? helper.call(depth0 != null ? depth0 : (container.nullContext || {}),options) : helper));
   if (!helpers.multiLine) { stack1 = helpers.blockHelperMissing.call(depth0,stack1,options)}
   if (stack1 != null) { buffer += stack1; }
   return buffer + "</li>";
-},"9":function(container,depth0,helpers,partials,data) {
+},"10":function(container,depth0,helpers,partials,data) {
     return container.escapeExpression(container.lambda(depth0, depth0));
-},"11":function(container,depth0,helpers,partials,data) {
+},"12":function(container,depth0,helpers,partials,data) {
     var stack1, helper, options, buffer = "";
 
-  stack1 = ((helper = (helper = helpers.multiLine || (depth0 != null ? depth0.multiLine : depth0)) != null ? helper : helpers.helperMissing),(options={"name":"multiLine","hash":{},"fn":container.program(12, data, 0),"inverse":container.noop,"data":data}),(typeof helper === "function" ? helper.call(depth0 != null ? depth0 : {},options) : helper));
+  stack1 = ((helper = (helper = helpers.multiLine || (depth0 != null ? depth0.multiLine : depth0)) != null ? helper : helpers.helperMissing),(options={"name":"multiLine","hash":{},"fn":container.program(13, data, 0),"inverse":container.noop,"data":data}),(typeof helper === "function" ? helper.call(depth0 != null ? depth0 : (container.nullContext || {}),options) : helper));
   if (!helpers.multiLine) { stack1 = helpers.blockHelperMissing.call(depth0,stack1,options)}
   if (stack1 != null) { buffer += stack1; }
   return buffer;
-},"12":function(container,depth0,helpers,partials,data) {
+},"13":function(container,depth0,helpers,partials,data) {
     var stack1;
 
   return container.escapeExpression(container.lambda(((stack1 = (depth0 != null ? depth0.glossary : depth0)) != null ? stack1["0"] : stack1), depth0));
-},"14":function(container,depth0,helpers,partials,data) {
-    var stack1, alias1=depth0 != null ? depth0 : {};
-
-  return ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.tags : depth0),{"name":"if","hash":{},"fn":container.program(15, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
-    + ((stack1 = helpers["if"].call(alias1,((stack1 = (depth0 != null ? depth0.glossary : depth0)) != null ? stack1["1"] : stack1),{"name":"if","hash":{},"fn":container.program(17, data, 0),"inverse":container.program(12, data, 0),"data":data})) != null ? stack1 : "");
 },"15":function(container,depth0,helpers,partials,data) {
+    var stack1, alias1=depth0 != null ? depth0 : (container.nullContext || {});
+
+  return ((stack1 = helpers.unless.call(alias1,(depth0 != null ? depth0.brief : depth0),{"name":"unless","hash":{},"fn":container.program(16, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+    + ((stack1 = helpers["if"].call(alias1,((stack1 = (depth0 != null ? depth0.glossary : depth0)) != null ? stack1["1"] : stack1),{"name":"if","hash":{},"fn":container.program(19, data, 0),"inverse":container.program(13, data, 0),"data":data})) != null ? stack1 : "");
+},"16":function(container,depth0,helpers,partials,data) {
+    var stack1;
+
+  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.tags : depth0),{"name":"if","hash":{},"fn":container.program(17, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "");
+},"17":function(container,depth0,helpers,partials,data) {
     var stack1;
 
   return "("
-    + ((stack1 = helpers.each.call(depth0 != null ? depth0 : {},(depth0 != null ? depth0.tags : depth0),{"name":"each","hash":{},"fn":container.program(4, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+    + ((stack1 = helpers.each.call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.tags : depth0),{"name":"each","hash":{},"fn":container.program(5, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
     + ") ";
-},"17":function(container,depth0,helpers,partials,data) {
+},"19":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return ((stack1 = helpers.each.call(depth0 != null ? depth0 : {},(depth0 != null ? depth0.glossary : depth0),{"name":"each","hash":{},"fn":container.program(18, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "");
-},"18":function(container,depth0,helpers,partials,data) {
+  return ((stack1 = helpers.each.call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.glossary : depth0),{"name":"each","hash":{},"fn":container.program(20, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "");
+},"20":function(container,depth0,helpers,partials,data) {
     var stack1;
 
   return container.escapeExpression(container.lambda(depth0, depth0))
-    + ((stack1 = helpers.unless.call(depth0 != null ? depth0 : {},(data && data.last),{"name":"unless","hash":{},"fn":container.program(5, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "");
-},"20":function(container,depth0,helpers,partials,data) {
-    return "";
+    + ((stack1 = helpers.unless.call(depth0 != null ? depth0 : (container.nullContext || {}),(data && data.last),{"name":"unless","hash":{},"fn":container.program(6, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "");
 },"22":function(container,depth0,helpers,partials,data) {
+    return "";
+},"24":function(container,depth0,helpers,partials,data) {
     var stack1;
 
   return container.escapeExpression(container.lambda(((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.character : stack1), depth0));
-},"24":function(container,depth0,helpers,partials,data) {
+},"26":function(container,depth0,helpers,partials,data) {
     var stack1;
 
   return container.escapeExpression(container.lambda(((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.dictionary : stack1), depth0));
-},"26":function(container,depth0,helpers,partials,data) {
+},"28":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : {},(depth0 != null ? depth0.modeTermKana : depth0),{"name":"if","hash":{},"fn":container.program(27, data, 0),"inverse":container.program(30, data, 0),"data":data})) != null ? stack1 : "");
-},"27":function(container,depth0,helpers,partials,data) {
+  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.modeTermKana : depth0),{"name":"if","hash":{},"fn":container.program(29, data, 0),"inverse":container.program(32, data, 0),"data":data})) != null ? stack1 : "");
+},"29":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : {},((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.reading : stack1),{"name":"if","hash":{},"fn":container.program(28, data, 0),"inverse":container.program(30, data, 0),"data":data})) != null ? stack1 : "");
-},"28":function(container,depth0,helpers,partials,data) {
+  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : (container.nullContext || {}),((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.reading : stack1),{"name":"if","hash":{},"fn":container.program(30, data, 0),"inverse":container.program(32, data, 0),"data":data})) != null ? stack1 : "");
+},"30":function(container,depth0,helpers,partials,data) {
     var stack1;
 
   return container.escapeExpression(container.lambda(((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.reading : stack1), depth0));
-},"30":function(container,depth0,helpers,partials,data) {
+},"32":function(container,depth0,helpers,partials,data) {
     var stack1;
 
   return container.escapeExpression(container.lambda(((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.expression : stack1), depth0));
-},"32":function(container,depth0,helpers,partials,data) {
+},"34":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : {},(depth0 != null ? depth0.html : depth0),{"name":"if","hash":{},"fn":container.program(33, data, 0),"inverse":container.program(36, data, 0),"data":data})) != null ? stack1 : "");
-},"33":function(container,depth0,helpers,partials,data) {
+  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.html : depth0),{"name":"if","hash":{},"fn":container.program(35, data, 0),"inverse":container.program(38, data, 0),"data":data})) != null ? stack1 : "");
+},"35":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : {},((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.reading : stack1),{"name":"if","hash":{},"fn":container.program(34, data, 0),"inverse":container.program(30, data, 0),"data":data})) != null ? stack1 : "");
-},"34":function(container,depth0,helpers,partials,data) {
+  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : (container.nullContext || {}),((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.reading : stack1),{"name":"if","hash":{},"fn":container.program(36, data, 0),"inverse":container.program(32, data, 0),"data":data})) != null ? stack1 : "");
+},"36":function(container,depth0,helpers,partials,data) {
     var stack1, alias1=container.lambda, alias2=container.escapeExpression;
 
   return "<ruby>"
@@ -131,147 +139,151 @@ templates['fields.html'] = template({"1":function(container,depth0,helpers,parti
     + "<rt>"
     + alias2(alias1(((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.reading : stack1), depth0))
     + "</rt></ruby>";
-},"36":function(container,depth0,helpers,partials,data) {
+},"38":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : {},((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.reading : stack1),{"name":"if","hash":{},"fn":container.program(37, data, 0),"inverse":container.program(30, data, 0),"data":data})) != null ? stack1 : "");
-},"37":function(container,depth0,helpers,partials,data) {
+  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : (container.nullContext || {}),((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.reading : stack1),{"name":"if","hash":{},"fn":container.program(39, data, 0),"inverse":container.program(32, data, 0),"data":data})) != null ? stack1 : "");
+},"39":function(container,depth0,helpers,partials,data) {
     var stack1, alias1=container.lambda, alias2=container.escapeExpression;
 
   return alias2(alias1(((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.expression : stack1), depth0))
     + " ["
     + alias2(alias1(((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.reading : stack1), depth0))
     + "]";
-},"39":function(container,depth0,helpers,partials,data,blockParams,depths) {
-    var stack1, alias1=depth0 != null ? depth0 : {};
+},"41":function(container,depth0,helpers,partials,data,blockParams,depths) {
+    var stack1, alias1=depth0 != null ? depth0 : (container.nullContext || {});
 
-  return ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.html : depth0),{"name":"if","hash":{},"fn":container.program(40, data, 0, blockParams, depths),"inverse":container.noop,"data":data})) != null ? stack1 : "")
-    + ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.modeKanji : depth0),{"name":"if","hash":{},"fn":container.program(42, data, 0, blockParams, depths),"inverse":container.program(51, data, 0, blockParams, depths),"data":data})) != null ? stack1 : "")
-    + ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.html : depth0),{"name":"if","hash":{},"fn":container.program(64, data, 0, blockParams, depths),"inverse":container.noop,"data":data})) != null ? stack1 : "");
-},"40":function(container,depth0,helpers,partials,data) {
-    return "<div style=\"text-align: left;\">";
+  return ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.html : depth0),{"name":"if","hash":{},"fn":container.program(42, data, 0, blockParams, depths),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+    + ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.modeKanji : depth0),{"name":"if","hash":{},"fn":container.program(44, data, 0, blockParams, depths),"inverse":container.program(53, data, 0, blockParams, depths),"data":data})) != null ? stack1 : "")
+    + ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.html : depth0),{"name":"if","hash":{},"fn":container.program(66, data, 0, blockParams, depths),"inverse":container.noop,"data":data})) != null ? stack1 : "");
 },"42":function(container,depth0,helpers,partials,data) {
+    return "<div style=\"text-align: left;\">";
+},"44":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : {},((stack1 = ((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.glossary : stack1)) != null ? stack1["1"] : stack1),{"name":"if","hash":{},"fn":container.program(43, data, 0),"inverse":container.program(49, data, 0),"data":data})) != null ? stack1 : "");
-},"43":function(container,depth0,helpers,partials,data) {
+  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : (container.nullContext || {}),((stack1 = ((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.glossary : stack1)) != null ? stack1["1"] : stack1),{"name":"if","hash":{},"fn":container.program(45, data, 0),"inverse":container.program(51, data, 0),"data":data})) != null ? stack1 : "");
+},"45":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : {},(depth0 != null ? depth0.html : depth0),{"name":"if","hash":{},"fn":container.program(44, data, 0),"inverse":container.program(47, data, 0),"data":data})) != null ? stack1 : "");
-},"44":function(container,depth0,helpers,partials,data) {
+  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.html : depth0),{"name":"if","hash":{},"fn":container.program(46, data, 0),"inverse":container.program(49, data, 0),"data":data})) != null ? stack1 : "");
+},"46":function(container,depth0,helpers,partials,data) {
     var stack1;
 
   return "<ol>"
-    + ((stack1 = helpers.each.call(depth0 != null ? depth0 : {},((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.glossary : stack1),{"name":"each","hash":{},"fn":container.program(45, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+    + ((stack1 = helpers.each.call(depth0 != null ? depth0 : (container.nullContext || {}),((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.glossary : stack1),{"name":"each","hash":{},"fn":container.program(47, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
     + "</ol>";
-},"45":function(container,depth0,helpers,partials,data) {
+},"47":function(container,depth0,helpers,partials,data) {
     return "<li>"
     + container.escapeExpression(container.lambda(depth0, depth0))
     + "</li>";
-},"47":function(container,depth0,helpers,partials,data) {
+},"49":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return ((stack1 = helpers.each.call(depth0 != null ? depth0 : {},((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.glossary : stack1),{"name":"each","hash":{},"fn":container.program(18, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "");
-},"49":function(container,depth0,helpers,partials,data) {
+  return ((stack1 = helpers.each.call(depth0 != null ? depth0 : (container.nullContext || {}),((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.glossary : stack1),{"name":"each","hash":{},"fn":container.program(20, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "");
+},"51":function(container,depth0,helpers,partials,data) {
     var stack1;
 
   return container.escapeExpression(container.lambda(((stack1 = ((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.glossary : stack1)) != null ? stack1["0"] : stack1), depth0));
-},"51":function(container,depth0,helpers,partials,data,blockParams,depths) {
+},"53":function(container,depth0,helpers,partials,data,blockParams,depths) {
     var stack1;
 
-  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : {},(depth0 != null ? depth0.group : depth0),{"name":"if","hash":{},"fn":container.program(52, data, 0, blockParams, depths),"inverse":container.program(62, data, 0, blockParams, depths),"data":data})) != null ? stack1 : "");
-},"52":function(container,depth0,helpers,partials,data,blockParams,depths) {
+  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.group : depth0),{"name":"if","hash":{},"fn":container.program(54, data, 0, blockParams, depths),"inverse":container.program(64, data, 0, blockParams, depths),"data":data})) != null ? stack1 : "");
+},"54":function(container,depth0,helpers,partials,data,blockParams,depths) {
     var stack1;
 
-  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : {},((stack1 = ((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.definitions : stack1)) != null ? stack1["1"] : stack1),{"name":"if","hash":{},"fn":container.program(53, data, 0, blockParams, depths),"inverse":container.program(60, data, 0, blockParams, depths),"data":data})) != null ? stack1 : "");
-},"53":function(container,depth0,helpers,partials,data,blockParams,depths) {
+  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : (container.nullContext || {}),((stack1 = ((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.definitions : stack1)) != null ? stack1["1"] : stack1),{"name":"if","hash":{},"fn":container.program(55, data, 0, blockParams, depths),"inverse":container.program(62, data, 0, blockParams, depths),"data":data})) != null ? stack1 : "");
+},"55":function(container,depth0,helpers,partials,data,blockParams,depths) {
     var stack1;
 
-  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : {},(depth0 != null ? depth0.html : depth0),{"name":"if","hash":{},"fn":container.program(54, data, 0, blockParams, depths),"inverse":container.program(57, data, 0, blockParams, depths),"data":data})) != null ? stack1 : "");
-},"54":function(container,depth0,helpers,partials,data,blockParams,depths) {
+  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.html : depth0),{"name":"if","hash":{},"fn":container.program(56, data, 0, blockParams, depths),"inverse":container.program(59, data, 0, blockParams, depths),"data":data})) != null ? stack1 : "");
+},"56":function(container,depth0,helpers,partials,data,blockParams,depths) {
     var stack1;
 
   return "<ol>"
-    + ((stack1 = helpers.each.call(depth0 != null ? depth0 : {},((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.definitions : stack1),{"name":"each","hash":{},"fn":container.program(55, data, 0, blockParams, depths),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+    + ((stack1 = helpers.each.call(depth0 != null ? depth0 : (container.nullContext || {}),((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.definitions : stack1),{"name":"each","hash":{},"fn":container.program(57, data, 0, blockParams, depths),"inverse":container.noop,"data":data})) != null ? stack1 : "")
     + "</ol>";
-},"55":function(container,depth0,helpers,partials,data,blockParams,depths) {
+},"57":function(container,depth0,helpers,partials,data,blockParams,depths) {
     var stack1;
 
   return "<li>"
-    + ((stack1 = container.invokePartial(partials["glossary-single"],depth0,{"name":"glossary-single","hash":{"html":(depths[1] != null ? depths[1].html : depths[1])},"data":data,"helpers":helpers,"partials":partials,"decorators":container.decorators})) != null ? stack1 : "")
+    + ((stack1 = container.invokePartial(partials["glossary-single"],depth0,{"name":"glossary-single","hash":{"brief":(depths[1] != null ? depths[1].brief : depths[1]),"html":(depths[1] != null ? depths[1].html : depths[1])},"data":data,"helpers":helpers,"partials":partials,"decorators":container.decorators})) != null ? stack1 : "")
     + "</li>";
-},"57":function(container,depth0,helpers,partials,data,blockParams,depths) {
+},"59":function(container,depth0,helpers,partials,data,blockParams,depths) {
     var stack1;
 
-  return ((stack1 = helpers.each.call(depth0 != null ? depth0 : {},((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.definitions : stack1),{"name":"each","hash":{},"fn":container.program(58, data, 0, blockParams, depths),"inverse":container.noop,"data":data})) != null ? stack1 : "");
-},"58":function(container,depth0,helpers,partials,data,blockParams,depths) {
+  return ((stack1 = helpers.each.call(depth0 != null ? depth0 : (container.nullContext || {}),((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.definitions : stack1),{"name":"each","hash":{},"fn":container.program(60, data, 0, blockParams, depths),"inverse":container.noop,"data":data})) != null ? stack1 : "");
+},"60":function(container,depth0,helpers,partials,data,blockParams,depths) {
     var stack1;
 
   return " * "
-    + ((stack1 = container.invokePartial(partials["glossary-single"],depth0,{"name":"glossary-single","hash":{"html":(depths[1] != null ? depths[1].html : depths[1])},"data":data,"helpers":helpers,"partials":partials,"decorators":container.decorators})) != null ? stack1 : "");
-},"60":function(container,depth0,helpers,partials,data) {
-    var stack1;
-
-  return ((stack1 = container.invokePartial(partials["glossary-single"],((stack1 = ((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.definitions : stack1)) != null ? stack1["0"] : stack1),{"name":"glossary-single","hash":{"html":(depth0 != null ? depth0.html : depth0)},"data":data,"helpers":helpers,"partials":partials,"decorators":container.decorators})) != null ? stack1 : "");
+    + ((stack1 = container.invokePartial(partials["glossary-single"],depth0,{"name":"glossary-single","hash":{"brief":(depths[1] != null ? depths[1].brief : depths[1]),"html":(depths[1] != null ? depths[1].html : depths[1])},"data":data,"helpers":helpers,"partials":partials,"decorators":container.decorators})) != null ? stack1 : "");
 },"62":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return ((stack1 = container.invokePartial(partials["glossary-single"],(depth0 != null ? depth0.definition : depth0),{"name":"glossary-single","hash":{"html":(depth0 != null ? depth0.html : depth0)},"data":data,"helpers":helpers,"partials":partials,"decorators":container.decorators})) != null ? stack1 : "");
+  return ((stack1 = container.invokePartial(partials["glossary-single"],((stack1 = ((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.definitions : stack1)) != null ? stack1["0"] : stack1),{"name":"glossary-single","hash":{"brief":(depth0 != null ? depth0.brief : depth0),"html":(depth0 != null ? depth0.html : depth0)},"data":data,"helpers":helpers,"partials":partials,"decorators":container.decorators})) != null ? stack1 : "");
 },"64":function(container,depth0,helpers,partials,data) {
-    return "</div>";
-},"66":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return ((stack1 = helpers.each.call(depth0 != null ? depth0 : {},((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.kunyomi : stack1),{"name":"each","hash":{},"fn":container.program(18, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "");
+  return ((stack1 = container.invokePartial(partials["glossary-single"],(depth0 != null ? depth0.definition : depth0),{"name":"glossary-single","hash":{"brief":(depth0 != null ? depth0.brief : depth0),"html":(depth0 != null ? depth0.html : depth0)},"data":data,"helpers":helpers,"partials":partials,"decorators":container.decorators})) != null ? stack1 : "");
+},"66":function(container,depth0,helpers,partials,data) {
+    return "</div>";
 },"68":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return ((stack1 = helpers.each.call(depth0 != null ? depth0 : {},((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.onyomi : stack1),{"name":"each","hash":{},"fn":container.program(18, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "");
+  return ((stack1 = container.invokePartial(partials.glossary,depth0,{"name":"glossary","hash":{"brief":true},"data":data,"helpers":helpers,"partials":partials,"decorators":container.decorators})) != null ? stack1 : "");
 },"70":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return ((stack1 = helpers.unless.call(depth0 != null ? depth0 : {},(depth0 != null ? depth0.modeTermKana : depth0),{"name":"unless","hash":{},"fn":container.program(28, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "");
+  return ((stack1 = helpers.each.call(depth0 != null ? depth0 : (container.nullContext || {}),((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.kunyomi : stack1),{"name":"each","hash":{},"fn":container.program(20, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "");
 },"72":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : {},((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.cloze : stack1),{"name":"if","hash":{},"fn":container.program(73, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "");
-},"73":function(container,depth0,helpers,partials,data) {
+  return ((stack1 = helpers.each.call(depth0 != null ? depth0 : (container.nullContext || {}),((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.onyomi : stack1),{"name":"each","hash":{},"fn":container.program(20, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "");
+},"74":function(container,depth0,helpers,partials,data) {
+    var stack1;
+
+  return ((stack1 = helpers.unless.call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.modeTermKana : depth0),{"name":"unless","hash":{},"fn":container.program(30, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "");
+},"76":function(container,depth0,helpers,partials,data) {
+    var stack1;
+
+  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : (container.nullContext || {}),((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.cloze : stack1),{"name":"if","hash":{},"fn":container.program(77, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "");
+},"77":function(container,depth0,helpers,partials,data) {
     var stack1;
 
   return container.escapeExpression(container.lambda(((stack1 = ((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.cloze : stack1)) != null ? stack1.sentence : stack1), depth0));
-},"75":function(container,depth0,helpers,partials,data) {
+},"79":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : {},((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.cloze : stack1),{"name":"if","hash":{},"fn":container.program(76, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "");
-},"76":function(container,depth0,helpers,partials,data) {
+  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : (container.nullContext || {}),((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.cloze : stack1),{"name":"if","hash":{},"fn":container.program(80, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "");
+},"80":function(container,depth0,helpers,partials,data) {
     var stack1;
 
   return container.escapeExpression(container.lambda(((stack1 = ((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.cloze : stack1)) != null ? stack1.prefix : stack1), depth0));
-},"78":function(container,depth0,helpers,partials,data) {
+},"82":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : {},((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.cloze : stack1),{"name":"if","hash":{},"fn":container.program(79, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "");
-},"79":function(container,depth0,helpers,partials,data) {
+  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : (container.nullContext || {}),((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.cloze : stack1),{"name":"if","hash":{},"fn":container.program(83, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "");
+},"83":function(container,depth0,helpers,partials,data) {
     var stack1;
 
   return container.escapeExpression(container.lambda(((stack1 = ((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.cloze : stack1)) != null ? stack1.body : stack1), depth0));
-},"81":function(container,depth0,helpers,partials,data) {
+},"85":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : {},((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.cloze : stack1),{"name":"if","hash":{},"fn":container.program(82, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "");
-},"82":function(container,depth0,helpers,partials,data) {
+  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : (container.nullContext || {}),((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.cloze : stack1),{"name":"if","hash":{},"fn":container.program(86, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "");
+},"86":function(container,depth0,helpers,partials,data) {
     var stack1;
 
   return container.escapeExpression(container.lambda(((stack1 = ((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.cloze : stack1)) != null ? stack1.suffix : stack1), depth0));
-},"84":function(container,depth0,helpers,partials,data) {
+},"88":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return ((stack1 = helpers.each.call(depth0 != null ? depth0 : {},((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.tags : stack1),{"name":"each","hash":{},"fn":container.program(4, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "");
-},"86":function(container,depth0,helpers,partials,data) {
+  return ((stack1 = helpers.each.call(depth0 != null ? depth0 : (container.nullContext || {}),((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.tags : stack1),{"name":"each","hash":{},"fn":container.program(5, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "");
+},"90":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : {},(depth0 != null ? depth0.html : depth0),{"name":"if","hash":{},"fn":container.program(87, data, 0),"inverse":container.program(89, data, 0),"data":data})) != null ? stack1 : "");
-},"87":function(container,depth0,helpers,partials,data) {
+  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.html : depth0),{"name":"if","hash":{},"fn":container.program(91, data, 0),"inverse":container.program(93, data, 0),"data":data})) != null ? stack1 : "");
+},"91":function(container,depth0,helpers,partials,data) {
     var stack1, alias1=container.lambda, alias2=container.escapeExpression;
 
   return "<a href=\""
@@ -279,46 +291,47 @@ templates['fields.html'] = template({"1":function(container,depth0,helpers,parti
     + "\">"
     + alias2(alias1(((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.url : stack1), depth0))
     + "</a>";
-},"89":function(container,depth0,helpers,partials,data) {
+},"93":function(container,depth0,helpers,partials,data) {
     var stack1;
 
   return container.escapeExpression(container.lambda(((stack1 = (depth0 != null ? depth0.definition : depth0)) != null ? stack1.url : stack1), depth0));
 },"compiler":[7,">= 4.0.0"],"main":function(container,depth0,helpers,partials,data,blockParams,depths) {
     var stack1;
 
-  return "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
-    + ((stack1 = container.invokePartial(helpers.lookup.call(depth0 != null ? depth0 : {},depth0,"marker",{"name":"lookup","hash":{},"data":data}),depth0,{"data":data,"helpers":helpers,"partials":partials,"decorators":container.decorators})) != null ? stack1 : "");
+  return "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
+    + ((stack1 = container.invokePartial(helpers.lookup.call(depth0 != null ? depth0 : (container.nullContext || {}),depth0,"marker",{"name":"lookup","hash":{},"data":data}),depth0,{"data":data,"helpers":helpers,"partials":partials,"decorators":container.decorators})) != null ? stack1 : "");
 },"main_d":  function(fn, props, container, depth0, data, blockParams, depths) {
 
   var decorators = container.decorators;
 
   fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(1, data, 0, blockParams, depths),"inverse":container.noop,"args":["glossary-single"],"data":data}) || fn;
-  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(20, data, 0, blockParams, depths),"inverse":container.noop,"args":["audio"],"data":data}) || fn;
-  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(22, data, 0, blockParams, depths),"inverse":container.noop,"args":["character"],"data":data}) || fn;
-  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(24, data, 0, blockParams, depths),"inverse":container.noop,"args":["dictionary"],"data":data}) || fn;
-  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(26, data, 0, blockParams, depths),"inverse":container.noop,"args":["expression"],"data":data}) || fn;
-  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(32, data, 0, blockParams, depths),"inverse":container.noop,"args":["furigana"],"data":data}) || fn;
-  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(39, data, 0, blockParams, depths),"inverse":container.noop,"args":["glossary"],"data":data}) || fn;
-  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(66, data, 0, blockParams, depths),"inverse":container.noop,"args":["kunyomi"],"data":data}) || fn;
-  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(68, data, 0, blockParams, depths),"inverse":container.noop,"args":["onyomi"],"data":data}) || fn;
-  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(70, data, 0, blockParams, depths),"inverse":container.noop,"args":["reading"],"data":data}) || fn;
-  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(72, data, 0, blockParams, depths),"inverse":container.noop,"args":["sentence"],"data":data}) || fn;
-  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(75, data, 0, blockParams, depths),"inverse":container.noop,"args":["cloze-prefix"],"data":data}) || fn;
-  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(78, data, 0, blockParams, depths),"inverse":container.noop,"args":["cloze-body"],"data":data}) || fn;
-  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(81, data, 0, blockParams, depths),"inverse":container.noop,"args":["cloze-suffix"],"data":data}) || fn;
-  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(84, data, 0, blockParams, depths),"inverse":container.noop,"args":["tags"],"data":data}) || fn;
-  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(86, data, 0, blockParams, depths),"inverse":container.noop,"args":["url"],"data":data}) || fn;
+  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(22, data, 0, blockParams, depths),"inverse":container.noop,"args":["audio"],"data":data}) || fn;
+  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(24, data, 0, blockParams, depths),"inverse":container.noop,"args":["character"],"data":data}) || fn;
+  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(26, data, 0, blockParams, depths),"inverse":container.noop,"args":["dictionary"],"data":data}) || fn;
+  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(28, data, 0, blockParams, depths),"inverse":container.noop,"args":["expression"],"data":data}) || fn;
+  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(34, data, 0, blockParams, depths),"inverse":container.noop,"args":["furigana"],"data":data}) || fn;
+  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(41, data, 0, blockParams, depths),"inverse":container.noop,"args":["glossary"],"data":data}) || fn;
+  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(68, data, 0, blockParams, depths),"inverse":container.noop,"args":["glossary-brief"],"data":data}) || fn;
+  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(70, data, 0, blockParams, depths),"inverse":container.noop,"args":["kunyomi"],"data":data}) || fn;
+  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(72, data, 0, blockParams, depths),"inverse":container.noop,"args":["onyomi"],"data":data}) || fn;
+  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(74, data, 0, blockParams, depths),"inverse":container.noop,"args":["reading"],"data":data}) || fn;
+  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(76, data, 0, blockParams, depths),"inverse":container.noop,"args":["sentence"],"data":data}) || fn;
+  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(79, data, 0, blockParams, depths),"inverse":container.noop,"args":["cloze-prefix"],"data":data}) || fn;
+  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(82, data, 0, blockParams, depths),"inverse":container.noop,"args":["cloze-body"],"data":data}) || fn;
+  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(85, data, 0, blockParams, depths),"inverse":container.noop,"args":["cloze-suffix"],"data":data}) || fn;
+  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(88, data, 0, blockParams, depths),"inverse":container.noop,"args":["tags"],"data":data}) || fn;
+  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(90, data, 0, blockParams, depths),"inverse":container.noop,"args":["url"],"data":data}) || fn;
   return fn;
   }
 
 ,"useDecorators":true,"usePartial":true,"useData":true,"useDepths":true});
 templates['kanji.html'] = template({"1":function(container,depth0,helpers,partials,data) {
-    var stack1, helper, alias1=depth0 != null ? depth0 : {};
+    var stack1, helper, alias1=depth0 != null ? depth0 : (container.nullContext || {});
 
-  return "<div class=\"entry\" data-type=\"kanji\">\n    <div class=\"actions\">\n        <img src=\"/mixed/img/entry-current.png\" class=\"current\" title=\"Current entry (Alt + Up/Down/Home/End/PgUp/PgDn)\" alt>\n"
+  return "<div class=\"entry\" data-type=\"kanji\">\n    <div class=\"actions\">\n"
     + ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.addable : depth0),{"name":"if","hash":{},"fn":container.program(2, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
     + ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.source : depth0),{"name":"if","hash":{},"fn":container.program(4, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
-    + "    </div>\n\n    <div class=\"glyph\">"
+    + "        <img src=\"/mixed/img/entry-current.png\" class=\"current\" title=\"Current entry (Alt + Up/Down/Home/End/PgUp/PgDn)\" alt>\n    </div>\n\n    <div class=\"glyph\">"
     + container.escapeExpression(((helper = (helper = helpers.character || (depth0 != null ? depth0.character : depth0)) != null ? helper : helpers.helperMissing),(typeof helper === "function" ? helper.call(alias1,{"name":"character","hash":{},"data":data}) : helper)))
     + "</div>\n\n    <div class=\"reading\">\n        <table>\n            <tr>\n                <th>Kunyomi:</th>\n                <td>\n"
     + ((stack1 = helpers.each.call(alias1,(depth0 != null ? depth0.kunyomi : depth0),{"name":"each","hash":{},"fn":container.program(6, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
@@ -332,7 +345,7 @@ templates['kanji.html'] = template({"1":function(container,depth0,helpers,partia
     + ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.debug : depth0),{"name":"if","hash":{},"fn":container.program(18, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
     + "</div>\n";
 },"2":function(container,depth0,helpers,partials,data) {
-    return "        <a href=\"#\" class=\"action-add-note pending disabled\" data-mode=\"kanji\"><img src=\"/mixed/img/add-kanji.png\" title=\"Add Kanji (Alt + K)\" alt></a>\n";
+    return "        <a href=\"#\" class=\"action-view-note pending disabled\"><img src=\"/mixed/img/view-note.png\" title=\"View added note (Alt + V)\" alt></a>\n        <a href=\"#\" class=\"action-add-note pending disabled\" data-mode=\"kanji\"><img src=\"/mixed/img/add-kanji.png\" title=\"Add Kanji (Alt + K)\" alt></a>\n";
 },"4":function(container,depth0,helpers,partials,data) {
     return "        <a href=\"#\" class=\"source-term\"><img src=\"/mixed/img/source-term.png\" title=\"Source term (Alt + B)\" alt></a>\n";
 },"6":function(container,depth0,helpers,partials,data) {
@@ -340,12 +353,12 @@ templates['kanji.html'] = template({"1":function(container,depth0,helpers,partia
 
   return "                    "
     + container.escapeExpression(container.lambda(depth0, depth0))
-    + ((stack1 = helpers.unless.call(depth0 != null ? depth0 : {},(data && data.last),{"name":"unless","hash":{},"fn":container.program(7, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+    + ((stack1 = helpers.unless.call(depth0 != null ? depth0 : (container.nullContext || {}),(data && data.last),{"name":"unless","hash":{},"fn":container.program(7, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
     + "\n";
 },"7":function(container,depth0,helpers,partials,data) {
     return ", ";
 },"9":function(container,depth0,helpers,partials,data) {
-    var helper, alias1=depth0 != null ? depth0 : {}, alias2=helpers.helperMissing, alias3="function", alias4=container.escapeExpression;
+    var helper, alias1=depth0 != null ? depth0 : (container.nullContext || {}), alias2=helpers.helperMissing, alias3="function", alias4=container.escapeExpression;
 
   return "        <span class=\"label label-default tag-"
     + alias4(((helper = (helper = helpers.category || (depth0 != null ? depth0.category : depth0)) != null ? helper : alias2),(typeof helper === alias3 ? helper.call(alias1,{"name":"category","hash":{},"data":data}) : helper)))
@@ -358,12 +371,12 @@ templates['kanji.html'] = template({"1":function(container,depth0,helpers,partia
     var stack1;
 
   return "        <ol>\n"
-    + ((stack1 = helpers.each.call(depth0 != null ? depth0 : {},(depth0 != null ? depth0.glossary : depth0),{"name":"each","hash":{},"fn":container.program(12, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+    + ((stack1 = helpers.each.call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.glossary : depth0),{"name":"each","hash":{},"fn":container.program(12, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
     + "        </ol>\n";
 },"12":function(container,depth0,helpers,partials,data) {
     var stack1, helper, options, buffer = 
   "            <li><span class=\"glossary-item\">";
-  stack1 = ((helper = (helper = helpers.multiLine || (depth0 != null ? depth0.multiLine : depth0)) != null ? helper : helpers.helperMissing),(options={"name":"multiLine","hash":{},"fn":container.program(13, data, 0),"inverse":container.noop,"data":data}),(typeof helper === "function" ? helper.call(depth0 != null ? depth0 : {},options) : helper));
+  stack1 = ((helper = (helper = helpers.multiLine || (depth0 != null ? depth0.multiLine : depth0)) != null ? helper : helpers.helperMissing),(options={"name":"multiLine","hash":{},"fn":container.program(13, data, 0),"inverse":container.noop,"data":data}),(typeof helper === "function" ? helper.call(depth0 != null ? depth0 : (container.nullContext || {}),options) : helper));
   if (!helpers.multiLine) { stack1 = helpers.blockHelperMissing.call(depth0,stack1,options)}
   if (stack1 != null) { buffer += stack1; }
   return buffer + "</span></li>\n";
@@ -372,7 +385,7 @@ templates['kanji.html'] = template({"1":function(container,depth0,helpers,partia
 },"15":function(container,depth0,helpers,partials,data) {
     var stack1, helper, options, buffer = 
   "        <div class=\"glossary-item\">";
-  stack1 = ((helper = (helper = helpers.multiLine || (depth0 != null ? depth0.multiLine : depth0)) != null ? helper : helpers.helperMissing),(options={"name":"multiLine","hash":{},"fn":container.program(16, data, 0),"inverse":container.noop,"data":data}),(typeof helper === "function" ? helper.call(depth0 != null ? depth0 : {},options) : helper));
+  stack1 = ((helper = (helper = helpers.multiLine || (depth0 != null ? depth0.multiLine : depth0)) != null ? helper : helpers.helperMissing),(options={"name":"multiLine","hash":{},"fn":container.program(16, data, 0),"inverse":container.noop,"data":data}),(typeof helper === "function" ? helper.call(depth0 != null ? depth0 : (container.nullContext || {}),options) : helper));
   if (!helpers.multiLine) { stack1 = helpers.blockHelperMissing.call(depth0,stack1,options)}
   if (stack1 != null) { buffer += stack1; }
   return buffer + "</div>\n";
@@ -383,7 +396,7 @@ templates['kanji.html'] = template({"1":function(container,depth0,helpers,partia
 },"18":function(container,depth0,helpers,partials,data) {
     var stack1, helper, options, buffer = 
   "    <pre>";
-  stack1 = ((helper = (helper = helpers.dumpObject || (depth0 != null ? depth0.dumpObject : depth0)) != null ? helper : helpers.helperMissing),(options={"name":"dumpObject","hash":{},"fn":container.program(19, data, 0),"inverse":container.noop,"data":data}),(typeof helper === "function" ? helper.call(depth0 != null ? depth0 : {},options) : helper));
+  stack1 = ((helper = (helper = helpers.dumpObject || (depth0 != null ? depth0.dumpObject : depth0)) != null ? helper : helpers.helperMissing),(options={"name":"dumpObject","hash":{},"fn":container.program(19, data, 0),"inverse":container.noop,"data":data}),(typeof helper === "function" ? helper.call(depth0 != null ? depth0 : (container.nullContext || {}),options) : helper));
   if (!helpers.dumpObject) { stack1 = helpers.blockHelperMissing.call(depth0,stack1,options)}
   if (stack1 != null) { buffer += stack1; }
   return buffer + "</pre>\n";
@@ -394,11 +407,11 @@ templates['kanji.html'] = template({"1":function(container,depth0,helpers,partia
 },"21":function(container,depth0,helpers,partials,data,blockParams,depths) {
     var stack1;
 
-  return ((stack1 = helpers.each.call(depth0 != null ? depth0 : {},(depth0 != null ? depth0.definitions : depth0),{"name":"each","hash":{},"fn":container.program(22, data, 0, blockParams, depths),"inverse":container.noop,"data":data})) != null ? stack1 : "");
+  return ((stack1 = helpers.each.call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.definitions : depth0),{"name":"each","hash":{},"fn":container.program(22, data, 0, blockParams, depths),"inverse":container.noop,"data":data})) != null ? stack1 : "");
 },"22":function(container,depth0,helpers,partials,data,blockParams,depths) {
     var stack1;
 
-  return ((stack1 = helpers.unless.call(depth0 != null ? depth0 : {},(data && data.first),{"name":"unless","hash":{},"fn":container.program(23, data, 0, blockParams, depths),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+  return ((stack1 = helpers.unless.call(depth0 != null ? depth0 : (container.nullContext || {}),(data && data.first),{"name":"unless","hash":{},"fn":container.program(23, data, 0, blockParams, depths),"inverse":container.noop,"data":data})) != null ? stack1 : "")
     + "\n"
     + ((stack1 = container.invokePartial(partials.kanji,depth0,{"name":"kanji","hash":{"root":(depths[1] != null ? depths[1].root : depths[1]),"source":(depths[1] != null ? depths[1].source : depths[1]),"addable":(depths[1] != null ? depths[1].addable : depths[1]),"debug":(depths[1] != null ? depths[1].debug : depths[1])},"data":data,"helpers":helpers,"partials":partials,"decorators":container.decorators})) != null ? stack1 : "");
 },"23":function(container,depth0,helpers,partials,data) {
@@ -409,7 +422,7 @@ templates['kanji.html'] = template({"1":function(container,depth0,helpers,partia
     var stack1;
 
   return "\n"
-    + ((stack1 = helpers["if"].call(depth0 != null ? depth0 : {},(depth0 != null ? depth0.definitions : depth0),{"name":"if","hash":{},"fn":container.program(21, data, 0, blockParams, depths),"inverse":container.program(25, data, 0, blockParams, depths),"data":data})) != null ? stack1 : "");
+    + ((stack1 = helpers["if"].call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.definitions : depth0),{"name":"if","hash":{},"fn":container.program(21, data, 0, blockParams, depths),"inverse":container.program(25, data, 0, blockParams, depths),"data":data})) != null ? stack1 : "");
 },"main_d":  function(fn, props, container, depth0, data, blockParams, depths) {
 
   var decorators = container.decorators;
@@ -424,7 +437,7 @@ templates['model.html'] = template({"1":function(container,depth0,helpers,partia
     + container.escapeExpression(container.lambda(depth0, depth0))
     + "</a></li>\n";
 },"compiler":[7,">= 4.0.0"],"main":function(container,depth0,helpers,partials,data) {
-    var stack1, helper, alias1=depth0 != null ? depth0 : {}, alias2=helpers.helperMissing, alias3="function", alias4=container.escapeExpression;
+    var stack1, helper, alias1=depth0 != null ? depth0 : (container.nullContext || {}), alias2=helpers.helperMissing, alias3="function", alias4=container.escapeExpression;
 
   return "<tr>\n    <td class=\"col-sm-2\">"
     + alias4(((helper = (helper = helpers.name || (depth0 != null ? depth0.name : depth0)) != null ? helper : alias2),(typeof helper === alias3 ? helper.call(alias1,{"name":"name","hash":{},"data":data}) : helper)))
@@ -437,7 +450,7 @@ templates['model.html'] = template({"1":function(container,depth0,helpers,partia
     + "                </ul>\n            </div>\n        </div>\n    </td>\n</tr>\n";
 },"useData":true});
 templates['terms.html'] = template({"1":function(container,depth0,helpers,partials,data) {
-    var stack1, alias1=depth0 != null ? depth0 : {};
+    var stack1, alias1=depth0 != null ? depth0 : (container.nullContext || {});
 
   return ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.tags : depth0),{"name":"if","hash":{},"fn":container.program(2, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
     + ((stack1 = helpers["if"].call(alias1,((stack1 = (depth0 != null ? depth0.glossary : depth0)) != null ? stack1["1"] : stack1),{"name":"if","hash":{},"fn":container.program(5, data, 0),"inverse":container.program(9, data, 0),"data":data})) != null ? stack1 : "");
@@ -445,10 +458,10 @@ templates['terms.html'] = template({"1":function(container,depth0,helpers,partia
     var stack1;
 
   return "<div>\n"
-    + ((stack1 = helpers.each.call(depth0 != null ? depth0 : {},(depth0 != null ? depth0.tags : depth0),{"name":"each","hash":{},"fn":container.program(3, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+    + ((stack1 = helpers.each.call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.tags : depth0),{"name":"each","hash":{},"fn":container.program(3, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
     + "</div>\n";
 },"3":function(container,depth0,helpers,partials,data) {
-    var helper, alias1=depth0 != null ? depth0 : {}, alias2=helpers.helperMissing, alias3="function", alias4=container.escapeExpression;
+    var helper, alias1=depth0 != null ? depth0 : (container.nullContext || {}), alias2=helpers.helperMissing, alias3="function", alias4=container.escapeExpression;
 
   return "    <span class=\"label label-default tag-"
     + alias4(((helper = (helper = helpers.category || (depth0 != null ? depth0.category : depth0)) != null ? helper : alias2),(typeof helper === alias3 ? helper.call(alias1,{"name":"category","hash":{},"data":data}) : helper)))
@@ -461,12 +474,12 @@ templates['terms.html'] = template({"1":function(container,depth0,helpers,partia
     var stack1;
 
   return "<ul>\n"
-    + ((stack1 = helpers.each.call(depth0 != null ? depth0 : {},(depth0 != null ? depth0.glossary : depth0),{"name":"each","hash":{},"fn":container.program(6, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+    + ((stack1 = helpers.each.call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.glossary : depth0),{"name":"each","hash":{},"fn":container.program(6, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
     + "</ul>\n";
 },"6":function(container,depth0,helpers,partials,data) {
     var stack1, helper, options, buffer = 
   "    <li><span class=\"glossary-item\">";
-  stack1 = ((helper = (helper = helpers.multiLine || (depth0 != null ? depth0.multiLine : depth0)) != null ? helper : helpers.helperMissing),(options={"name":"multiLine","hash":{},"fn":container.program(7, data, 0),"inverse":container.noop,"data":data}),(typeof helper === "function" ? helper.call(depth0 != null ? depth0 : {},options) : helper));
+  stack1 = ((helper = (helper = helpers.multiLine || (depth0 != null ? depth0.multiLine : depth0)) != null ? helper : helpers.helperMissing),(options={"name":"multiLine","hash":{},"fn":container.program(7, data, 0),"inverse":container.noop,"data":data}),(typeof helper === "function" ? helper.call(depth0 != null ? depth0 : (container.nullContext || {}),options) : helper));
   if (!helpers.multiLine) { stack1 = helpers.blockHelperMissing.call(depth0,stack1,options)}
   if (stack1 != null) { buffer += stack1; }
   return buffer + "</span></li>\n";
@@ -475,7 +488,7 @@ templates['terms.html'] = template({"1":function(container,depth0,helpers,partia
 },"9":function(container,depth0,helpers,partials,data) {
     var stack1, helper, options, buffer = 
   "<div class=\"glossary-item\">";
-  stack1 = ((helper = (helper = helpers.multiLine || (depth0 != null ? depth0.multiLine : depth0)) != null ? helper : helpers.helperMissing),(options={"name":"multiLine","hash":{},"fn":container.program(10, data, 0),"inverse":container.noop,"data":data}),(typeof helper === "function" ? helper.call(depth0 != null ? depth0 : {},options) : helper));
+  stack1 = ((helper = (helper = helpers.multiLine || (depth0 != null ? depth0.multiLine : depth0)) != null ? helper : helpers.helperMissing),(options={"name":"multiLine","hash":{},"fn":container.program(10, data, 0),"inverse":container.noop,"data":data}),(typeof helper === "function" ? helper.call(depth0 != null ? depth0 : (container.nullContext || {}),options) : helper));
   if (!helpers.multiLine) { stack1 = helpers.blockHelperMissing.call(depth0,stack1,options)}
   if (stack1 != null) { buffer += stack1; }
   return buffer + "</div>\n";
@@ -484,12 +497,12 @@ templates['terms.html'] = template({"1":function(container,depth0,helpers,partia
 
   return container.escapeExpression(container.lambda(((stack1 = (depth0 != null ? depth0.glossary : depth0)) != null ? stack1["0"] : stack1), depth0));
 },"12":function(container,depth0,helpers,partials,data) {
-    var stack1, alias1=depth0 != null ? depth0 : {};
+    var stack1, alias1=depth0 != null ? depth0 : (container.nullContext || {});
 
-  return "<div class=\"entry\" data-type=\"term\">\n    <div class=\"actions\">\n        <img src=\"/mixed/img/entry-current.png\" class=\"current\" title=\"Current entry (Alt + Up/Down/Home/End/PgUp/PgDn)\" alt>\n"
+  return "<div class=\"entry\" data-type=\"term\">\n    <div class=\"actions\">\n"
     + ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.addable : depth0),{"name":"if","hash":{},"fn":container.program(13, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
     + ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.playback : depth0),{"name":"if","hash":{},"fn":container.program(15, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
-    + "    </div>\n\n"
+    + "        <img src=\"/mixed/img/entry-current.png\" class=\"current\" title=\"Current entry (Alt + Up/Down/Home/End/PgUp/PgDn)\" alt>\n    </div>\n\n"
     + ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.reading : depth0),{"name":"if","hash":{},"fn":container.program(17, data, 0),"inverse":container.program(20, data, 0),"data":data})) != null ? stack1 : "")
     + "\n"
     + ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.reasons : depth0),{"name":"if","hash":{},"fn":container.program(22, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
@@ -499,11 +512,11 @@ templates['terms.html'] = template({"1":function(container,depth0,helpers,partia
     + ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.debug : depth0),{"name":"if","hash":{},"fn":container.program(34, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
     + "</div>\n";
 },"13":function(container,depth0,helpers,partials,data) {
-    return "        <a href=\"#\" class=\"action-add-note pending disabled\" data-mode=\"term-kanji\"><img src=\"/mixed/img/add-term-kanji.png\" title=\"Add expression (Alt + E)\" alt></a>\n        <a href=\"#\" class=\"action-add-note pending disabled\" data-mode=\"term-kana\"><img src=\"/mixed/img/add-term-kana.png\" title=\"Add reading (Alt + R)\" alt></a>\n";
+    return "        <a href=\"#\" class=\"action-view-note pending disabled\"><img src=\"/mixed/img/view-note.png\" title=\"View added note (Alt + V)\" alt></a>\n        <a href=\"#\" class=\"action-add-note pending disabled\" data-mode=\"term-kanji\"><img src=\"/mixed/img/add-term-kanji.png\" title=\"Add expression (Alt + E)\" alt></a>\n        <a href=\"#\" class=\"action-add-note pending disabled\" data-mode=\"term-kana\"><img src=\"/mixed/img/add-term-kana.png\" title=\"Add reading (Alt + R)\" alt></a>\n";
 },"15":function(container,depth0,helpers,partials,data) {
     return "        <a href=\"#\" class=\"action-play-audio\"><img src=\"/mixed/img/play-audio.png\" title=\"Play audio (Alt + P)\" alt></a>\n";
 },"17":function(container,depth0,helpers,partials,data) {
-    var stack1, helper, options, alias1=depth0 != null ? depth0 : {}, alias2=helpers.helperMissing, alias3="function", buffer = 
+    var stack1, helper, options, alias1=depth0 != null ? depth0 : (container.nullContext || {}), alias2=helpers.helperMissing, alias3="function", buffer = 
   "    <div class=\"expression\"><ruby>";
   stack1 = ((helper = (helper = helpers.kanjiLinks || (depth0 != null ? depth0.kanjiLinks : depth0)) != null ? helper : alias2),(options={"name":"kanjiLinks","hash":{},"fn":container.program(18, data, 0),"inverse":container.noop,"data":data}),(typeof helper === alias3 ? helper.call(alias1,options) : helper));
   if (!helpers.kanjiLinks) { stack1 = helpers.blockHelperMissing.call(depth0,stack1,options)}
@@ -514,11 +527,11 @@ templates['terms.html'] = template({"1":function(container,depth0,helpers,partia
 },"18":function(container,depth0,helpers,partials,data) {
     var helper;
 
-  return container.escapeExpression(((helper = (helper = helpers.expression || (depth0 != null ? depth0.expression : depth0)) != null ? helper : helpers.helperMissing),(typeof helper === "function" ? helper.call(depth0 != null ? depth0 : {},{"name":"expression","hash":{},"data":data}) : helper)));
+  return container.escapeExpression(((helper = (helper = helpers.expression || (depth0 != null ? depth0.expression : depth0)) != null ? helper : helpers.helperMissing),(typeof helper === "function" ? helper.call(depth0 != null ? depth0 : (container.nullContext || {}),{"name":"expression","hash":{},"data":data}) : helper)));
 },"20":function(container,depth0,helpers,partials,data) {
     var stack1, helper, options, buffer = 
   "    <div class=\"expression\">";
-  stack1 = ((helper = (helper = helpers.kanjiLinks || (depth0 != null ? depth0.kanjiLinks : depth0)) != null ? helper : helpers.helperMissing),(options={"name":"kanjiLinks","hash":{},"fn":container.program(18, data, 0),"inverse":container.noop,"data":data}),(typeof helper === "function" ? helper.call(depth0 != null ? depth0 : {},options) : helper));
+  stack1 = ((helper = (helper = helpers.kanjiLinks || (depth0 != null ? depth0.kanjiLinks : depth0)) != null ? helper : helpers.helperMissing),(options={"name":"kanjiLinks","hash":{},"fn":container.program(18, data, 0),"inverse":container.noop,"data":data}),(typeof helper === "function" ? helper.call(depth0 != null ? depth0 : (container.nullContext || {}),options) : helper));
   if (!helpers.kanjiLinks) { stack1 = helpers.blockHelperMissing.call(depth0,stack1,options)}
   if (stack1 != null) { buffer += stack1; }
   return buffer + "</div>\n";
@@ -526,7 +539,7 @@ templates['terms.html'] = template({"1":function(container,depth0,helpers,partia
     var stack1;
 
   return "    <div class=\"reasons\">\n"
-    + ((stack1 = helpers.each.call(depth0 != null ? depth0 : {},(depth0 != null ? depth0.reasons : depth0),{"name":"each","hash":{},"fn":container.program(23, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+    + ((stack1 = helpers.each.call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.reasons : depth0),{"name":"each","hash":{},"fn":container.program(23, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
     + "    </div>\n";
 },"23":function(container,depth0,helpers,partials,data) {
     var stack1;
@@ -534,19 +547,19 @@ templates['terms.html'] = template({"1":function(container,depth0,helpers,partia
   return "        <span class=\"reasons\">"
     + container.escapeExpression(container.lambda(depth0, depth0))
     + "</span> "
-    + ((stack1 = helpers.unless.call(depth0 != null ? depth0 : {},(data && data.last),{"name":"unless","hash":{},"fn":container.program(24, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+    + ((stack1 = helpers.unless.call(depth0 != null ? depth0 : (container.nullContext || {}),(data && data.last),{"name":"unless","hash":{},"fn":container.program(24, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
     + "\n";
 },"24":function(container,depth0,helpers,partials,data) {
     return "&laquo;";
 },"26":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : {},((stack1 = (depth0 != null ? depth0.definitions : depth0)) != null ? stack1["1"] : stack1),{"name":"if","hash":{},"fn":container.program(27, data, 0),"inverse":container.program(30, data, 0),"data":data})) != null ? stack1 : "");
+  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : (container.nullContext || {}),((stack1 = (depth0 != null ? depth0.definitions : depth0)) != null ? stack1["1"] : stack1),{"name":"if","hash":{},"fn":container.program(27, data, 0),"inverse":container.program(30, data, 0),"data":data})) != null ? stack1 : "");
 },"27":function(container,depth0,helpers,partials,data) {
     var stack1;
 
   return "        <ol>\n"
-    + ((stack1 = helpers.each.call(depth0 != null ? depth0 : {},(depth0 != null ? depth0.definitions : depth0),{"name":"each","hash":{},"fn":container.program(28, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+    + ((stack1 = helpers.each.call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.definitions : depth0),{"name":"each","hash":{},"fn":container.program(28, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
     + "        </ol>\n";
 },"28":function(container,depth0,helpers,partials,data) {
     var stack1;
@@ -565,7 +578,7 @@ templates['terms.html'] = template({"1":function(container,depth0,helpers,partia
 },"34":function(container,depth0,helpers,partials,data) {
     var stack1, helper, options, buffer = 
   "    <pre>";
-  stack1 = ((helper = (helper = helpers.dumpObject || (depth0 != null ? depth0.dumpObject : depth0)) != null ? helper : helpers.helperMissing),(options={"name":"dumpObject","hash":{},"fn":container.program(35, data, 0),"inverse":container.noop,"data":data}),(typeof helper === "function" ? helper.call(depth0 != null ? depth0 : {},options) : helper));
+  stack1 = ((helper = (helper = helpers.dumpObject || (depth0 != null ? depth0.dumpObject : depth0)) != null ? helper : helpers.helperMissing),(options={"name":"dumpObject","hash":{},"fn":container.program(35, data, 0),"inverse":container.noop,"data":data}),(typeof helper === "function" ? helper.call(depth0 != null ? depth0 : (container.nullContext || {}),options) : helper));
   if (!helpers.dumpObject) { stack1 = helpers.blockHelperMissing.call(depth0,stack1,options)}
   if (stack1 != null) { buffer += stack1; }
   return buffer + "</pre>\n";
@@ -576,11 +589,11 @@ templates['terms.html'] = template({"1":function(container,depth0,helpers,partia
 },"37":function(container,depth0,helpers,partials,data,blockParams,depths) {
     var stack1;
 
-  return ((stack1 = helpers.each.call(depth0 != null ? depth0 : {},(depth0 != null ? depth0.definitions : depth0),{"name":"each","hash":{},"fn":container.program(38, data, 0, blockParams, depths),"inverse":container.noop,"data":data})) != null ? stack1 : "");
+  return ((stack1 = helpers.each.call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.definitions : depth0),{"name":"each","hash":{},"fn":container.program(38, data, 0, blockParams, depths),"inverse":container.noop,"data":data})) != null ? stack1 : "");
 },"38":function(container,depth0,helpers,partials,data,blockParams,depths) {
     var stack1;
 
-  return ((stack1 = helpers.unless.call(depth0 != null ? depth0 : {},(data && data.first),{"name":"unless","hash":{},"fn":container.program(39, data, 0, blockParams, depths),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+  return ((stack1 = helpers.unless.call(depth0 != null ? depth0 : (container.nullContext || {}),(data && data.first),{"name":"unless","hash":{},"fn":container.program(39, data, 0, blockParams, depths),"inverse":container.noop,"data":data})) != null ? stack1 : "")
     + "\n"
     + ((stack1 = container.invokePartial(partials.term,depth0,{"name":"term","hash":{"playback":(depths[1] != null ? depths[1].playback : depths[1]),"addable":(depths[1] != null ? depths[1].addable : depths[1]),"grouped":(depths[1] != null ? depths[1].grouped : depths[1]),"debug":(depths[1] != null ? depths[1].debug : depths[1])},"data":data,"helpers":helpers,"partials":partials,"decorators":container.decorators})) != null ? stack1 : "");
 },"39":function(container,depth0,helpers,partials,data) {
@@ -591,7 +604,7 @@ templates['terms.html'] = template({"1":function(container,depth0,helpers,partia
     var stack1;
 
   return "\n\n"
-    + ((stack1 = helpers["if"].call(depth0 != null ? depth0 : {},(depth0 != null ? depth0.definitions : depth0),{"name":"if","hash":{},"fn":container.program(37, data, 0, blockParams, depths),"inverse":container.program(41, data, 0, blockParams, depths),"data":data})) != null ? stack1 : "");
+    + ((stack1 = helpers["if"].call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.definitions : depth0),{"name":"if","hash":{},"fn":container.program(37, data, 0, blockParams, depths),"inverse":container.program(41, data, 0, blockParams, depths),"data":data})) != null ? stack1 : "");
 },"main_d":  function(fn, props, container, depth0, data, blockParams, depths) {
 
   var decorators = container.decorators;
diff --git a/ext/bg/js/translator.js b/ext/bg/js/translator.js
index 8d65a0cd..1be485c7 100644
--- a/ext/bg/js/translator.js
+++ b/ext/bg/js/translator.js
@@ -19,135 +19,106 @@
 
 class Translator {
     constructor() {
-        this.loaded = false;
-        this.ruleMeta = null;
-        this.database = new Database();
-        this.deinflector = new Deinflector();
+        this.database = null;
+        this.deinflector = null;
     }
 
-    prepare() {
-        if (this.loaded) {
-            return Promise.resolve();
+    async prepare() {
+        if (!this.database) {
+            this.database = new Database();
+            await this.database.prepare();
         }
 
-        const promises = [
-            jsonLoadInt('/bg/lang/deinflect.json'),
-            this.database.prepare()
-        ];
-
-        return Promise.all(promises).then(([reasons]) => {
-            this.deinflector.setReasons(reasons);
-            this.loaded = true;
-        });
+        if (!this.deinflector) {
+            const url = chrome.extension.getURL('/bg/lang/deinflect.json');
+            const reasons = await requestJson(url, 'GET');
+            this.deinflector = new Deinflector(reasons);
+        }
     }
 
-    findTerms(text, dictionaries, alphanumeric) {
-        const titles = Object.keys(dictionaries);
-        const cache = {};
+    async findTermsGrouped(text, dictionaries, alphanumeric) {
+        const {length, definitions} = await this.findTerms(text, dictionaries, alphanumeric);
+        return {length, definitions: dictTermsGroup(definitions, dictionaries)};
+    }
 
+    async findTerms(text, dictionaries, alphanumeric) {
         if (!alphanumeric && text.length > 0) {
             const c = text[0];
             if (!jpIsKana(c) && !jpIsKanji(c)) {
-                return Promise.resolve({length: 0, definitions: []});
+                return {length: 0, definitions: []};
             }
         }
 
-        return this.findTermsDeinflected(text, titles, cache).then(deinfLiteral => {
-            const textHiragana = wanakana._katakanaToHiragana(text);
-            if (text === textHiragana) {
-                return deinfLiteral;
-            } else {
-                return this.findTermsDeinflected(textHiragana, titles, cache).then(deinfHiragana => deinfLiteral.concat(deinfHiragana));
-            }
-        }).then(deinflections => {
-            let definitions = [];
-            for (const deinflection of deinflections) {
-                for (const definition of deinflection.definitions) {
-                    const tags = definition.tags.map(tag => dictTagBuild(tag, definition.tagMeta));
-                    tags.push(dictTagBuildSource(definition.dictionary));
-                    definitions.push({
-                        source: deinflection.source,
-                        reasons: deinflection.reasons,
-                        score: definition.score,
-                        id: definition.id,
-                        dictionary: definition.dictionary,
-                        expression: definition.expression,
-                        reading: definition.reading,
-                        glossary: definition.glossary,
-                        tags: dictTagsSort(tags)
-                    });
-                }
-            }
-
-            definitions = dictTermsUndupe(definitions);
-            definitions = dictTermsSort(definitions, dictionaries);
-
-            let length = 0;
-            for (const definition of definitions) {
-                length = Math.max(length, definition.source.length);
-            }
-
-            return {length, definitions};
-        });
-    }
-
-    findTermsGrouped(text, dictionaries, alphanumeric) {
-        return this.findTerms(text, dictionaries, alphanumeric).then(({length, definitions}) => {
-            return {length, definitions: dictTermsGroup(definitions, dictionaries)};
-        });
-    }
-
-    findKanji(text, dictionaries) {
+        const cache = {};
         const titles = Object.keys(dictionaries);
-        const processed = {};
-        const promises = [];
-
-        for (const c of text) {
-            if (!processed[c]) {
-                promises.push(this.database.findKanji(c, titles));
-                processed[c] = true;
-            }
+        let deinflections = await this.findTermsDeinflected(text, titles, cache);
+        const textHiragana = jpKatakanaToHiragana(text);
+        if (text !== textHiragana) {
+            deinflections = deinflections.concat(await this.findTermsDeinflected(textHiragana, titles, cache));
         }
 
-        return Promise.all(promises).then(defSets => {
-            const definitions = defSets.reduce((a, b) => a.concat(b), []);
-            for (const definition of definitions) {
+        let definitions = [];
+        for (const deinflection of deinflections) {
+            for (const definition of deinflection.definitions) {
                 const tags = definition.tags.map(tag => dictTagBuild(tag, definition.tagMeta));
                 tags.push(dictTagBuildSource(definition.dictionary));
-                definition.tags = dictTagsSort(tags);
+                definitions.push({
+                    source: deinflection.source,
+                    reasons: deinflection.reasons,
+                    score: definition.score,
+                    id: definition.id,
+                    dictionary: definition.dictionary,
+                    expression: definition.expression,
+                    reading: definition.reading,
+                    glossary: definition.glossary,
+                    tags: dictTagsSort(tags)
+                });
             }
+        }
+
+        definitions = dictTermsUndupe(definitions);
+        definitions = dictTermsSort(definitions, dictionaries);
 
-            return definitions;
-        });
+        let length = 0;
+        for (const definition of definitions) {
+            length = Math.max(length, definition.source.length);
+        }
+
+        return {length, definitions};
     }
 
-    findTermsDeinflected(text, dictionaries, cache) {
-        const definer = term => {
+    async findTermsDeinflected(text, titles, cache) {
+        const definer = async term => {
             if (cache.hasOwnProperty(term)) {
-                return Promise.resolve(cache[term]);
+                return cache[term];
+            } else {
+                return cache[term] = await this.database.findTerms(term, titles);
             }
-
-            return this.database.findTerms(term, dictionaries).then(definitions => cache[term] = definitions);
         };
 
-        const promises = [];
+        let deinflections = [];
         for (let i = text.length; i > 0; --i) {
-            promises.push(this.deinflector.deinflect(text.slice(0, i), definer));
+            const textSlice = text.slice(0, i);
+            deinflections = deinflections.concat(await this.deinflector.deinflect(textSlice, definer));
         }
 
-        return Promise.all(promises).then(results => {
-            let deinflections = [];
-            for (const result of results) {
-                deinflections = deinflections.concat(result);
-            }
-
-            return deinflections;
-        });
+        return deinflections;
     }
 
-    processKanji(definitions) {
+    async findKanji(text, dictionaries) {
+        let definitions = [];
+        const processed = {};
+        const titles = Object.keys(dictionaries);
+        for (const c of text) {
+            if (!processed[c]) {
+                definitions = definitions.concat(await this.database.findKanji(c, titles));
+                processed[c] = true;
+            }
+        }
+
         for (const definition of definitions) {
             const tags = definition.tags.map(tag => dictTagBuild(tag, definition.tagMeta));
+            tags.push(dictTagBuildSource(definition.dictionary));
             definition.tags = dictTagsSort(tags);
         }
 
diff --git a/ext/bg/js/util.js b/ext/bg/js/util.js
index cdd5ec31..a92fd0bc 100644
--- a/ext/bg/js/util.js
+++ b/ext/bg/js/util.js
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016  Alex Yatskov <alex@foosoft.net>
+ * Copyright (C) 2016-2017  Alex Yatskov <alex@foosoft.net>
  * Author: Alex Yatskov <alex@foosoft.net>
  *
  * This program is free software: you can redistribute it and/or modify
@@ -16,542 +16,40 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-
-/*
- * Promise
- */
-
-function promiseCallback(promise, callback) {
-    return promise.then(result => {
-        callback({result});
-    }).catch(error => {
-        callback({error});
-    });
-}
-
-
-/*
- * Japanese
- */
-
-function jpIsKanji(c) {
-    const code = c.charCodeAt(0);
-    return code >= 0x4e00 && code < 0x9fb0 || code >= 0x3400 && code < 0x4dc0;
-}
-
-function jpIsKana(c) {
-    return wanakana.isKana(c);
-}
-
-
-/*
- * Commands
- */
-
-function commandExec(command) {
-    instYomi().onCommand(command);
-}
-
-
-/*
- * Instance
- */
-
-function instYomi() {
-    return chrome.extension.getBackgroundPage().yomichan;
-}
-
-function instDb() {
-    return instYomi().translator.database;
-}
-
-function instAnki() {
-    return instYomi().anki;
-}
-
-
-/*
- * Foreground
- */
-
-function fgBroadcast(action, params) {
-    chrome.tabs.query({}, tabs => {
-        for (const tab of tabs) {
-            chrome.tabs.sendMessage(tab.id, {action, params}, () => null);
-        }
-    });
-}
-
-function fgOptionsSet(options) {
-    fgBroadcast('optionsSet', options);
-}
-
-
-/*
- * Options
- */
-
-function optionsSetDefaults(options) {
-    const defaults = {
-        general: {
-            enable: true,
-            audioSource: 'jpod101',
-            audioVolume: 100,
-            groupResults: true,
-            debugInfo: false,
-            maxResults: 32,
-            showAdvanced: false,
-            popupWidth: 400,
-            popupHeight: 250,
-            popupOffset: 10,
-            showGuide: true
-        },
-
-        scanning: {
-            middleMouse: true,
-            selectText: true,
-            alphanumeric: true,
-            delay: 15,
-            length: 10,
-            modifier: 'shift'
-        },
-
-        dictionaries: {},
-
-        anki: {
-            enable: false,
-            server: 'http://127.0.0.1:8765',
-            tags: ['yomichan'],
-            htmlCards: true,
-            sentenceExt: 200,
-            terms: {deck: '', model: '', fields: {}},
-            kanji: {deck: '', model: '', fields: {}}
-        }
-    };
-
-    const combine = (target, source) => {
-        for (const key in source) {
-            if (!target.hasOwnProperty(key)) {
-                target[key] = source[key];
-            }
-        }
+function utilAsync(func) {
+    return function(...args) {
+        func.apply(this, args);
     };
-
-    combine(options, defaults);
-    combine(options.general, defaults.general);
-    combine(options.scanning, defaults.scanning);
-    combine(options.anki, defaults.anki);
-    combine(options.anki.terms, defaults.anki.terms);
-    combine(options.anki.kanji, defaults.anki.kanji);
-
-    return options;
-}
-
-function optionsVersion(options) {
-    const fixups = [
-        () => {},
-        () => {},
-        () => {},
-        () => {},
-        () => {
-            if (options.general.audioPlayback) {
-                options.general.audioSource = 'jpod101';
-            } else {
-                options.general.audioSource = 'disabled';
-            }
-        },
-        () => {
-            options.general.showGuide = false;
-        },
-        () => {
-            if (options.scanning.requireShift) {
-                options.scanning.modifier = 'shift';
-            } else {
-                options.scanning.modifier = 'none';
-            }
-        }
-    ];
-
-    optionsSetDefaults(options);
-    if (!options.hasOwnProperty('version')) {
-        options.version = fixups.length;
-    }
-
-    while (options.version < fixups.length) {
-        fixups[options.version++]();
-    }
-
-    return options;
-}
-
-function optionsLoad() {
-    return new Promise((resolve, reject) => {
-        chrome.storage.local.get(null, store => resolve(store.options));
-    }).then(optionsStr => {
-        return optionsStr ? JSON.parse(optionsStr) : {};
-    }).catch(error => {
-        return {};
-    }).then(options => {
-        return optionsVersion(options);
-    });
-}
-
-function optionsSave(options) {
-    return new Promise((resolve, reject) => {
-        chrome.storage.local.set({options: JSON.stringify(options)}, resolve);
-    }).then(() => {
-        instYomi().optionsSet(options);
-        fgOptionsSet(options);
-    });
-}
-
-
-/*
- * Dictionary
- */
-
-function dictEnabledSet(options) {
-    const dictionaries = {};
-    for (const title in options.dictionaries) {
-        const dictionary = options.dictionaries[title];
-        if (dictionary.enabled) {
-            dictionaries[title] = dictionary;
-        }
-    }
-
-    return dictionaries;
-}
-
-function dictConfigured(options) {
-    for (const title in options.dictionaries) {
-        if (options.dictionaries[title].enabled) {
-            return true;
-        }
-    }
-
-    return false;
-}
-
-function dictRowsSort(rows, options) {
-    return rows.sort((ra, rb) => {
-        const pa = (options.dictionaries[ra.title] || {}).priority || 0;
-        const pb = (options.dictionaries[rb.title] || {}).priority || 0;
-        if (pa > pb) {
-            return -1;
-        } else if (pa < pb) {
-            return 1;
-        } else {
-            return 0;
-        }
-    });
-}
-
-function dictTermsSort(definitions, dictionaries=null) {
-    return definitions.sort((v1, v2) => {
-        const sl1 = v1.source.length;
-        const sl2 = v2.source.length;
-        if (sl1 > sl2) {
-            return -1;
-        } else if (sl1 < sl2) {
-            return 1;
-        }
-
-        if (dictionaries !== null) {
-            const p1 = (dictionaries[v1.dictionary] || {}).priority || 0;
-            const p2 = (dictionaries[v2.dictionary] || {}).priority || 0;
-            if (p1 > p2) {
-                return -1;
-            } else if (p1 < p2) {
-                return 1;
-            }
-        }
-
-        const s1 = v1.score;
-        const s2 = v2.score;
-        if (s1 > s2) {
-            return -1;
-        } else if (s1 < s2) {
-            return 1;
-        }
-
-        const rl1 = v1.reasons.length;
-        const rl2 = v2.reasons.length;
-        if (rl1 < rl2) {
-            return -1;
-        } else if (rl1 > rl2) {
-            return 1;
-        }
-
-        return v2.expression.localeCompare(v1.expression);
-    });
-}
-
-function dictTermsUndupe(definitions) {
-    const definitionGroups = {};
-    for (const definition of definitions) {
-        const definitionExisting = definitionGroups[definition.id];
-        if (!definitionGroups.hasOwnProperty(definition.id) || definition.expression.length > definitionExisting.expression.length) {
-            definitionGroups[definition.id] = definition;
-        }
-    }
-
-    const definitionsUnique = [];
-    for (const key in definitionGroups) {
-        definitionsUnique.push(definitionGroups[key]);
-    }
-
-    return definitionsUnique;
-}
-
-function dictTermsGroup(definitions, dictionaries) {
-    const groups = {};
-    for (const definition of definitions) {
-        const key = [definition.source, definition.expression].concat(definition.reasons);
-        if (definition.reading) {
-            key.push(definition.reading);
-        }
-
-        const group = groups[key];
-        if (group) {
-            group.push(definition);
-        } else {
-            groups[key] = [definition];
-        }
-    }
-
-    const results = [];
-    for (const key in groups) {
-        const groupDefs = groups[key];
-        const firstDef = groupDefs[0];
-        dictTermsSort(groupDefs, dictionaries);
-        results.push({
-            definitions: groupDefs,
-            expression: firstDef.expression,
-            reading: firstDef.reading,
-            reasons: firstDef.reasons,
-            score: groupDefs.reduce((p, v) => v.score > p ? v.score : p, Number.MIN_SAFE_INTEGER),
-            source: firstDef.source
-        });
-    }
-
-    return dictTermsSort(results);
-}
-
-function dictTagBuildSource(name) {
-    return dictTagSanitize({name, category: 'dictionary', order: 100});
-}
-
-function dictTagBuild(name, meta) {
-    const tag = {name};
-    const symbol = name.split(':')[0];
-    for (const prop in meta[symbol] || {}) {
-        tag[prop] = meta[symbol][prop];
-    }
-
-    return dictTagSanitize(tag);
-}
-
-function dictTagSanitize(tag) {
-    tag.name = tag.name || 'untitled';
-    tag.category = tag.category || 'default';
-    tag.notes = tag.notes || '';
-    tag.order = tag.order || 0;
-    return tag;
-}
-
-function dictTagsSort(tags) {
-    return tags.sort((v1, v2) => {
-        const order1 = v1.order;
-        const order2 = v2.order;
-        if (order1 < order2) {
-            return -1;
-        } else if (order1 > order2) {
-            return 1;
-        }
-
-        const name1 = v1.name;
-        const name2 = v2.name;
-        if (name1 < name2) {
-            return -1;
-        } else if (name1 > name2) {
-            return 1;
-        }
-
-        return 0;
-    });
 }
 
-function dictFieldSplit(field) {
-    return field.length === 0 ? [] : field.split(' ');
+function utilIsolate(data) {
+    return JSON.parse(JSON.stringify(data));
 }
 
-function dictFieldFormat(field, definition, mode, options) {
-    const markers = [
-        'audio',
-        'character',
-        'cloze-body',
-        'cloze-prefix',
-        'cloze-suffix',
-        'dictionary',
-        'expression',
-        'furigana',
-        'glossary',
-        'kunyomi',
-        'onyomi',
-        'reading',
-        'sentence',
-        'tags',
-        'url'
-    ];
-
-    for (const marker of markers) {
-        const data = {
-            marker,
-            definition,
-            group: options.general.groupResults,
-            html: options.anki.htmlCards,
-            modeTermKanji: mode === 'term-kanji',
-            modeTermKana: mode === 'term-kana',
-            modeKanji: mode === 'kanji'
-        };
-
-        field = field.replace(
-            `{${marker}}`,
-            Handlebars.templates['fields.html'](data).trim()
-        );
-    }
-
-    return field;
+function utilBackend() {
+    return chrome.extension.getBackgroundPage().yomichan_backend;
 }
 
-
-/*
- * Json
- */
-
-function jsonLoad(url) {
-    return new Promise((resolve, reject) => {
-        const xhr = new XMLHttpRequest();
-        xhr.overrideMimeType('application/json');
-        xhr.addEventListener('load', () => resolve(xhr.responseText));
-        xhr.addEventListener('error', () => reject('failed to execute network request'));
-        xhr.open('GET', url);
-        xhr.send();
-    }).then(responseText => {
-        try {
-            return JSON.parse(responseText);
-        }
-        catch (e) {
-            return Promise.reject('invalid JSON response');
-        }
-    });
+function utilAnkiGetModelNames() {
+    return utilBackend().anki.getModelNames();
 }
 
-function jsonLoadInt(url) {
-    return jsonLoad(chrome.extension.getURL(url));
+function utilAnkiGetDeckNames() {
+    return utilBackend().anki.getDeckNames();
 }
 
-/*
- * Zip
- */
-
-function zipLoadDb(archive, indexLoaded, termsLoaded, kanjiLoaded) {
-    return JSZip.loadAsync(archive).then(files => files.files).then(files => {
-        const indexFile = files['index.json'];
-        if (!indexFile) {
-            return Promise.reject('no dictionary index found in archive');
-        }
-
-        return indexFile.async('string').then(indexJson => {
-            const index = JSON.parse(indexJson);
-            if (!index.title || !index.version || !index.revision) {
-                return Promise.reject('unrecognized dictionary format');
-            }
-
-            return indexLoaded(
-                index.title,
-                index.version,
-                index.revision,
-                index.tagMeta || {},
-                index.termBanks > 0,
-                index.kanjiBanks > 0
-            ).then(() => index);
-        }).then(index => {
-            const loaders = [];
-            const banksTotal = index.termBanks + index.kanjiBanks;
-            let banksLoaded = 0;
-
-            for (let i = 1; i <= index.termBanks; ++i) {
-                const bankFile = files[`term_bank_${i}.json`];
-                if (!bankFile) {
-                    return Promise.reject('missing term bank file');
-                }
-
-                loaders.push(() => bankFile.async('string').then(bankJson => {
-                    const bank = JSON.parse(bankJson);
-                    return termsLoaded(index.title, bank, banksTotal, banksLoaded++);
-                }));
-            }
-
-            for (let i = 1; i <= index.kanjiBanks; ++i) {
-                const bankFile = files[`kanji_bank_${i}.json`];
-                if (!bankFile) {
-                    return Promise.reject('missing kanji bank file');
-                }
-
-                loaders.push(() => bankFile.async('string').then(bankJson => {
-                    const bank = JSON.parse(bankJson);
-                    return kanjiLoaded(index.title, bank, banksTotal, banksLoaded++);
-                }));
-            }
-
-            let chain = Promise.resolve();
-            for (const loader of loaders) {
-                chain = chain.then(loader);
-            }
-
-            return chain;
-        });
-    });
-}
-
-/*
- * Helpers
- */
-
-function handlebarsEscape(text) {
-    return Handlebars.Utils.escapeExpression(text);
-}
-
-function handlebarsDumpObject(options) {
-    const dump = JSON.stringify(options.fn(this), null, 4);
-    return handlebarsEscape(dump);
-}
-
-function handlebarsKanjiLinks(options) {
-    let result = '';
-    for (const c of options.fn(this)) {
-        if (jpIsKanji(c)) {
-            result += `<a href="#" class="kanji-link">${c}</a>`;
-        } else {
-            result += c;
-        }
-    }
-
-    return result;
+function utilAnkiGetModelFieldNames(modelName) {
+    return utilBackend().anki.getModelFieldNames(modelName);
 }
 
-function handlebarsMultiLine(options) {
-    return options.fn(this).split('\n').join('<br>');
+function utilDatabaseGetDictionaries() {
+    return utilBackend().translator.database.getDictionaries();
 }
 
-function handlebarsRegister() {
-    Handlebars.partials = Handlebars.templates;
-    Handlebars.registerHelper('dumpObject', handlebarsDumpObject);
-    Handlebars.registerHelper('kanjiLinks', handlebarsKanjiLinks);
-    Handlebars.registerHelper('multiLine', handlebarsMultiLine);
+function utilDatabasePurge() {
+    return utilBackend().translator.database.purge();
 }
 
-function handlebarsRender(template, data) {
-    return Handlebars.templates[template](data);
+function utilDatabaseImport(data, progress) {
+    return utilBackend().translator.database.importDictionary(data, progress);
 }
diff --git a/ext/bg/js/yomichan.js b/ext/bg/js/yomichan.js
deleted file mode 100644
index b4beb179..00000000
--- a/ext/bg/js/yomichan.js
+++ /dev/null
@@ -1,225 +0,0 @@
-/*
- * Copyright (C) 2016  Alex Yatskov <alex@foosoft.net>
- * Author: Alex Yatskov <alex@foosoft.net>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-
-window.yomichan = new class {
-    constructor() {
-        handlebarsRegister();
-
-        this.translator = new Translator();
-        this.anki = new AnkiNull();
-        this.options = null;
-
-        this.translator.prepare().then(optionsLoad).then(this.optionsSet.bind(this)).then(() => {
-            chrome.commands.onCommand.addListener(this.onCommand.bind(this));
-            chrome.runtime.onMessage.addListener(this.onMessage.bind(this));
-            if (this.options.general.showGuide) {
-                chrome.tabs.create({url: chrome.extension.getURL('/bg/guide.html')});
-            }
-        });
-    }
-
-    optionsSet(options) {
-        // In Firefox, setting options from the options UI somehow carries references
-        // to the DOM across to the background page, causing the options object to
-        // become a "DeadObject" after the options page is closed. The workaround used
-        // here is to create a deep copy of the options object.
-        this.options = JSON.parse(JSON.stringify(options));
-
-        if (!this.options.general.enable) {
-            chrome.browserAction.setBadgeBackgroundColor({color: '#d9534f'});
-            chrome.browserAction.setBadgeText({text: 'off'});
-        } else if (!dictConfigured(this.options)) {
-            chrome.browserAction.setBadgeBackgroundColor({color: '#f0ad4e'});
-            chrome.browserAction.setBadgeText({text: '!'});
-        } else {
-            chrome.browserAction.setBadgeText({text: ''});
-        }
-
-        if (this.options.anki.enable) {
-            this.anki = new AnkiConnect(this.options.anki.server);
-        } else {
-            this.anki = new AnkiNull();
-        }
-    }
-
-    noteFormat(definition, mode) {
-        const note = {
-            fields: {},
-            tags: this.options.anki.tags
-        };
-
-        let fields = [];
-        if (mode === 'kanji') {
-            fields = this.options.anki.kanji.fields;
-            note.deckName = this.options.anki.kanji.deck;
-            note.modelName = this.options.anki.kanji.model;
-        } else {
-            fields = this.options.anki.terms.fields;
-            note.deckName = this.options.anki.terms.deck;
-            note.modelName = this.options.anki.terms.model;
-
-            if (definition.audio) {
-                const audio = {
-                    url: definition.audio.url,
-                    filename: definition.audio.filename,
-                    skipHash: '7e2c2f954ef6051373ba916f000168dc',
-                    fields: []
-                };
-
-                for (const name in fields) {
-                    if (fields[name].includes('{audio}')) {
-                        audio.fields.push(name);
-                    }
-                }
-
-                if (audio.fields.length > 0) {
-                    note.audio = audio;
-                }
-            }
-        }
-
-        for (const name in fields) {
-            note.fields[name] = dictFieldFormat(
-                fields[name],
-                definition,
-                mode,
-                this.options
-            );
-        }
-
-        return note;
-    }
-
-    termsFind(text) {
-        const searcher = this.options.general.groupResults ?
-            this.translator.findTermsGrouped.bind(this.translator) :
-            this.translator.findTerms.bind(this.translator);
-
-        return searcher(text, dictEnabledSet(this.options), this.options.scanning.alphanumeric).then(({definitions, length}) => {
-            return {length, definitions: definitions.slice(0, this.options.general.maxResults)};
-        });
-    }
-
-    kanjiFind(text) {
-        return this.translator.findKanji(text, dictEnabledSet(this.options)).then(definitions => {
-            return definitions.slice(0, this.options.general.maxResults);
-        });
-    }
-
-    definitionAdd(definition, mode) {
-        let promise = Promise.resolve();
-        if (mode !== 'kanji') {
-            promise = audioInject(definition, this.options.anki.terms.fields, this.options.general.audioSource);
-        }
-
-        return promise.then(() => {
-            const note = this.noteFormat(definition, mode);
-            return this.anki.addNote(note);
-        });
-    }
-
-    definitionsAddable(definitions, modes) {
-        const notes = [];
-        for (const definition of definitions) {
-            for (const mode of modes) {
-                notes.push(this.noteFormat(definition, mode));
-            }
-        }
-
-        return this.anki.canAddNotes(notes).then(raw => {
-            const states = [];
-            for (let resultBase = 0; resultBase < raw.length; resultBase += modes.length) {
-                const state = {};
-                for (let modeOffset = 0; modeOffset < modes.length; ++modeOffset) {
-                    state[modes[modeOffset]] = raw[resultBase + modeOffset];
-                }
-
-                states.push(state);
-            }
-
-            return states;
-        });
-    }
-
-    templateRender(template, data) {
-        return Promise.resolve(handlebarsRender(template, data));
-    }
-
-    onCommand(command) {
-        const handlers = {
-            search: () => {
-                chrome.tabs.create({url: chrome.extension.getURL('/bg/search.html')});
-            },
-
-            help: () => {
-                chrome.tabs.create({url: 'https://foosoft.net/projects/yomichan/'});
-            },
-
-            options: () => {
-                chrome.runtime.openOptionsPage();
-            },
-
-            toggle: () => {
-                this.options.general.enable = !this.options.general.enable;
-                optionsSave(this.options).then(() => this.optionsSet(this.options));
-            }
-        };
-
-        const handler = handlers[command];
-        if (handler) {
-            handler();
-        }
-    }
-
-    onMessage({action, params}, sender, callback) {
-        const handlers = {
-            optionsGet: ({callback}) => {
-                promiseCallback(optionsLoad(), callback);
-            },
-
-            kanjiFind: ({text, callback}) => {
-                promiseCallback(this.kanjiFind(text), callback);
-            },
-
-            termsFind: ({text, callback}) => {
-                promiseCallback(this.termsFind(text), callback);
-            },
-
-            templateRender: ({template, data, callback}) => {
-                promiseCallback(this.templateRender(template, data), callback);
-            },
-
-            definitionAdd: ({definition, mode, callback}) => {
-                promiseCallback(this.definitionAdd(definition, mode), callback);
-            },
-
-            definitionsAddable: ({definitions, modes, callback}) => {
-                promiseCallback(this.definitionsAddable(definitions, modes), callback);
-            }
-        };
-
-        const handler = handlers[action];
-        if (handler) {
-            params.callback = callback;
-            handler(params);
-        }
-
-        return true;
-    }
-};