Merge branch 'master' into firefox-amo

22 files changed, 625 insertions, 276 deletions

diff --git a/ext/bg/js/anki.js b/ext/bg/js/anki.js
index c327969f..183f37bc 100644
--- a/ext/bg/js/anki.js
+++ b/ext/bg/js/anki.js
@@ -62,7 +62,7 @@ class AnkiConnect {
         if (this.remoteVersion < this.localVersion) {
             this.remoteVersion = await this.ankiInvoke('version');
             if (this.remoteVersion < this.localVersion) {
-                throw 'extension and plugin versions incompatible';
+                throw 'Extension and plugin versions incompatible';
             }
         }
     }
diff --git a/ext/bg/js/api.js b/ext/bg/js/api.js
index 5c1aebb6..9f65bb07 100644
--- a/ext/bg/js/api.js
+++ b/ext/bg/js/api.js
@@ -31,7 +31,7 @@ async function apiTermsFind(text) {
 
     const searcher = options.general.groupResults ?
         translator.findTermsGrouped.bind(translator) :
-        translator.findTerms.bind(translator);
+        translator.findTermsSplit.bind(translator);
 
     const {definitions, length} = await searcher(
         text,
diff --git a/ext/bg/js/audio.js b/ext/bg/js/audio.js
index 0952887e..ce47490c 100644
--- a/ext/bg/js/audio.js
+++ b/ext/bg/js/audio.js
@@ -57,7 +57,7 @@ async function audioBuildUrl(definition, mode, cache={}) {
                 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('error', () => reject('Failed to scrape audio data'));
                 xhr.addEventListener('load', () => {
                     cache[definition.expression] = xhr.responseText;
                     resolve(xhr.responseText);
@@ -87,7 +87,7 @@ async function audioBuildUrl(definition, mode, cache={}) {
             } 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('error', () => reject('Failed to scrape audio data'));
                 xhr.addEventListener('load', () => {
                     cache[definition.expression] = xhr.responseText;
                     resolve(xhr.responseText);
diff --git a/ext/bg/js/backend.js b/ext/bg/js/backend.js
index 7d68ed84..01340419 100644
--- a/ext/bg/js/backend.js
+++ b/ext/bg/js/backend.js
@@ -71,7 +71,7 @@ class Backend {
             return promise.then(result => {
                 callback({result});
             }).catch(error => {
-                callback({error});
+                callback({error: error.toString ? error.toString() : error});
             });
         };
 
diff --git a/ext/bg/js/database.js b/ext/bg/js/database.js
index e00cb7a3..6ceb3ec8 100644
--- a/ext/bg/js/database.js
+++ b/ext/bg/js/database.js
@@ -20,44 +20,33 @@
 class Database {
     constructor() {
         this.db = null;
-        this.version = 2;
         this.tagCache = {};
     }
 
-    async sanitize() {
-        try {
-            const db = new Dexie('dict');
-            await db.open();
-            db.close();
-            if (db.verno !== this.version) {
-                await db.delete();
-            }
-        } catch(e) {
-            // NOP
-        }
-    }
-
     async prepare() {
         if (this.db) {
-            throw 'database already initialized';
+            throw 'Database already initialized';
         }
 
-        await this.sanitize();
-
         this.db = new Dexie('dict');
-        this.db.version(this.version).stores({
-            terms: '++id,dictionary,expression,reading',
-            kanji: '++,dictionary,character',
-            tagMeta: '++,dictionary',
+        this.db.version(2).stores({
+            terms:        '++id,dictionary,expression,reading',
+            kanji:        '++,dictionary,character',
+            tagMeta:      '++,dictionary',
             dictionaries: '++,title,version'
         });
+        this.db.version(3).stores({
+            termMeta:  '++,dictionary,expression',
+            kanjiMeta: '++,dictionary,character',
+            tagMeta:   '++,dictionary,name'
+        });
 
         await this.db.open();
     }
 
     async purge() {
         if (!this.db) {
-            throw 'database not initialized';
+            throw 'Database not initialized';
         }
 
         this.db.close();
@@ -70,7 +59,7 @@ class Database {
 
     async findTerms(term, titles) {
         if (!this.db) {
-            throw 'database not initialized';
+            throw 'Database not initialized';
         }
 
         const results = [];
@@ -89,17 +78,31 @@ class Database {
             }
         });
 
-        await this.cacheTagMeta(titles);
-        for (const result of results) {
-            result.tagMeta = this.tagCache[result.dictionary] || {};
+        return results;
+    }
+
+    async findTermMeta(term, titles) {
+        if (!this.db) {
+            throw 'Database not initialized';
         }
 
+        const results = [];
+        await this.db.termMeta.where('expression').equals(term).each(row => {
+            if (titles.includes(row.dictionary)) {
+                results.push({
+                    mode: row.mode,
+                    data: row.data,
+                    dictionary: row.dictionary
+                });
+            }
+        });
+
         return results;
     }
 
     async findKanji(kanji, titles) {
         if (!this.db) {
-            return Promise.reject('database not initialized');
+            throw 'Database not initialized';
         }
 
         const results = [];
@@ -111,165 +114,304 @@ class Database {
                     kunyomi: dictFieldSplit(row.kunyomi),
                     tags: dictFieldSplit(row.tags),
                     glossary: row.meanings,
+                    stats: row.stats,
                     dictionary: row.dictionary
                 });
             }
         });
 
-        await this.cacheTagMeta(titles);
-        for (const result of results) {
-            result.tagMeta = this.tagCache[result.dictionary] || {};
+        return results;
+    }
+
+    async findKanjiMeta(kanji, titles) {
+        if (!this.db) {
+            throw 'Database not initialized';
         }
 
+        const results = [];
+        await this.db.kanjiMeta.where('character').equals(kanji).each(row => {
+            if (titles.includes(row.dictionary)) {
+                results.push({
+                    mode: row.mode,
+                    data: row.data,
+                    dictionary: row.dictionary
+                });
+            }
+        });
+
         return results;
     }
 
-    async cacheTagMeta(titles) {
+    async findTagForTitle(name, title) {
         if (!this.db) {
-            throw 'database not initialized';
+            throw 'Database not initialized';
         }
 
-        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};
-                });
+        this.tagCache[title] = this.tagCache[title] || {};
 
-                this.tagCache[title] = tagMeta;
-            }
+        let result = this.tagCache[title][name];
+        if (!result) {
+            await this.db.tagMeta.where('name').equals(name).each(row => {
+                if (title === row.dictionary) {
+                    result = row;
+                }
+            });
+
+            this.tagCache[title][name] = result;
         }
+
+        return result;
     }
 
-    async getDictionaries() {
+    async getTitles() {
         if (this.db) {
             return this.db.dictionaries.toArray();
         } else {
-            throw 'database not initialized';
+            throw 'Database not initialized';
         }
     }
 
     async importDictionary(archive, callback) {
         if (!this.db) {
-            return Promise.reject('database not initialized');
+            throw 'Database not initialized';
         }
 
-        let summary = null;
-        const indexLoaded = async (title, version, revision, tagMeta, hasTerms, hasKanji) => {
-            summary = {title, version, revision, hasTerms, hasKanji};
+        const indexDataLoaded = async summary => {
+            if (summary.version > 2) {
+                throw 'Unsupported dictionary version';
+            }
 
-            const count = await this.db.dictionaries.where('title').equals(title).count();
+            const count = await this.db.dictionaries.where('title').equals(summary.title).count();
             if (count > 0) {
-                throw `dictionary "${title}" is already imported`;
+                throw 'Dictionary is already imported';
             }
 
-            await this.db.dictionaries.add({title, version, revision, hasTerms, hasKanji});
+            await this.db.dictionaries.add(summary);
+        };
 
-            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
-                });
+        const termDataLoaded = async (summary, entries, total, current) => {
+            if (callback) {
+                callback(total, current);
+            }
 
-                rows.push(row);
+            const rows = [];
+            if (summary.version === 1) {
+                for (const [expression, reading, tags, rules, score, ...glossary] of entries) {
+                    rows.push({
+                        expression,
+                        reading,
+                        tags,
+                        rules,
+                        score,
+                        glossary,
+                        dictionary: summary.title
+                    });
+                }
+            } else {
+                for (const [expression, reading, tags, rules, score, glossary] of entries) {
+                    rows.push({
+                        expression,
+                        reading,
+                        tags,
+                        rules,
+                        score,
+                        glossary,
+                        dictionary: summary.title
+                    });
+                }
             }
 
-            await this.db.tagMeta.bulkAdd(rows);
+            await this.db.terms.bulkAdd(rows);
         };
 
-        const termsLoaded = async (title, entries, total, current) => {
+        const termMetaDataLoaded = async (summary, entries, total, current) => {
             if (callback) {
                 callback(total, current);
             }
 
             const rows = [];
-            for (const [expression, reading, tags, rules, score, ...glossary] of entries) {
+            for (const [expression, mode, data] of entries) {
                 rows.push({
                     expression,
-                    reading,
-                    tags,
-                    rules,
-                    score,
-                    glossary,
-                    dictionary: title
+                    mode,
+                    data,
+                    dictionary: summary.title
                 });
             }
 
-            await this.db.terms.bulkAdd(rows);
+            await this.db.termMeta.bulkAdd(rows);
+        };
+
+        const kanjiDataLoaded = async (summary, entries, total, current)  => {
+            if (callback) {
+                callback(total, current);
+            }
+
+            const rows = [];
+            if (summary.version === 1) {
+                for (const [character, onyomi, kunyomi, tags, ...meanings] of entries) {
+                    rows.push({
+                        character,
+                        onyomi,
+                        kunyomi,
+                        tags,
+                        meanings,
+                        dictionary: summary.title
+                    });
+                }
+            } else {
+                for (const [character, onyomi, kunyomi, tags, meanings, stats] of entries) {
+                    rows.push({
+                        character,
+                        onyomi,
+                        kunyomi,
+                        tags,
+                        meanings,
+                        stats,
+                        dictionary: summary.title
+                    });
+                }
+            }
+
+            await this.db.kanji.bulkAdd(rows);
         };
 
-        const kanjiLoaded = async (title, entries, total, current)  => {
+        const kanjiMetaDataLoaded = async (summary, entries, total, current) => {
             if (callback) {
                 callback(total, current);
             }
 
             const rows = [];
-            for (const [character, onyomi, kunyomi, tags, ...meanings] of entries) {
+            for (const [character, mode, data] of entries) {
                 rows.push({
                     character,
-                    onyomi,
-                    kunyomi,
-                    tags,
-                    meanings,
-                    dictionary: title
+                    mode,
+                    data,
+                    dictionary: summary.title
                 });
             }
 
-            await this.db.kanji.bulkAdd(rows);
+            await this.db.kanjiMeta.bulkAdd(rows);
         };
 
-        await Database.importDictionaryZip(archive, indexLoaded, termsLoaded, kanjiLoaded);
-        return summary;
-    }
+        const tagDataLoaded = async (summary, entries, total, current) => {
+            if (callback) {
+                callback(total, current);
+            }
 
-    static async importDictionaryZip(archive, indexLoaded, termsLoaded, kanjiLoaded) {
-        const files = (await JSZip.loadAsync(archive)).files;
+            const rows = [];
+            for (const [name, category, order, notes] of entries) {
+                const row = dictTagSanitize({
+                    name,
+                    category,
+                    order,
+                    notes,
+                    dictionary: summary.title
+                });
+
+                rows.push(row);
+            }
 
-        const indexFile = files['index.json'];
+            await this.db.tagMeta.bulkAdd(rows);
+        };
+
+        return await Database.importDictionaryZip(
+            archive,
+            indexDataLoaded,
+            termDataLoaded,
+            termMetaDataLoaded,
+            kanjiDataLoaded,
+            kanjiMetaDataLoaded,
+            tagDataLoaded
+        );
+    }
+
+    static async importDictionaryZip(
+        archive,
+        indexDataLoaded,
+        termDataLoaded,
+        termMetaDataLoaded,
+        kanjiDataLoaded,
+        kanjiMetaDataLoaded,
+        tagDataLoaded
+    ) {
+        const zip = await JSZip.loadAsync(archive);
+
+        const indexFile = zip.files['index.json'];
         if (!indexFile) {
-            throw 'no dictionary index found in archive';
+            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';
+        if (!index.title || !index.revision) {
+            throw 'Unrecognized dictionary format';
         }
 
-        await indexLoaded(
-            index.title,
-            index.version,
-            index.revision,
-            index.tagMeta || {},
-            index.termBanks > 0,
-            index.kanjiBanks > 0
-        );
+        const summary = {
+            title: index.title,
+            revision: index.revision,
+            version: index.format || index.version
+        };
+
+        if (indexDataLoaded) {
+            await indexDataLoaded(summary);
+        }
 
-        const banksTotal = index.termBanks + index.kanjiBanks;
-        let banksLoaded = 0;
+        const buildTermBankName      = index => `term_bank_${index + 1}.json`;
+        const buildTermMetaBankName  = index => `term_meta_bank_${index + 1}.json`;
+        const buildKanjiBankName     = index => `kanji_bank_${index + 1}.json`;
+        const buildKanjiMetaBankName = index => `kanji_meta_bank_${index + 1}.json`;
+        const buildTagBankName       = index => `tag_bank_${index + 1}.json`;
 
-        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';
+        const countBanks = namer => {
+            let count = 0;
+            while (zip.files[namer(count)]) {
+                ++count;
             }
-        }
 
-        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';
+            return count;
+        };
+
+        const termBankCount      = countBanks(buildTermBankName);
+        const termMetaBankCount  = countBanks(buildTermMetaBankName);
+        const kanjiBankCount     = countBanks(buildKanjiBankName);
+        const kanjiMetaBankCount = countBanks(buildKanjiMetaBankName);
+        const tagBankCount       = countBanks(buildTagBankName);
+
+        let bankLoadedCount = 0;
+        let bankTotalCount =
+            termBankCount +
+            termMetaBankCount +
+            kanjiBankCount +
+            kanjiMetaBankCount +
+            tagBankCount;
+
+        if (tagDataLoaded && index.tagMeta) {
+            const bank = [];
+            for (const name in index.tagMeta) {
+                const tag = index.tagMeta[name];
+                bank.push([name, tag.category, tag.order, tag.notes]);
             }
+
+            tagDataLoaded(summary, bank, ++bankTotalCount, bankLoadedCount++);
         }
+
+        const loadBank = async (summary, namer, count, callback) => {
+            if (callback) {
+                for (let i = 0; i < count; ++i) {
+                    const bankFile = zip.files[namer(i)];
+                    const bank = JSON.parse(await bankFile.async('string'));
+                    await callback(summary, bank, bankTotalCount, bankLoadedCount++);
+                }
+            }
+        };
+
+        await loadBank(summary, buildTermBankName, termBankCount, termDataLoaded);
+        await loadBank(summary, buildTermMetaBankName, termMetaBankCount, termMetaDataLoaded);
+        await loadBank(summary, buildKanjiBankName, kanjiBankCount, kanjiDataLoaded);
+        await loadBank(summary, buildKanjiMetaBankName, kanjiMetaBankCount, kanjiMetaDataLoaded);
+        await loadBank(summary, buildTagBankName, tagBankCount, tagDataLoaded);
+
+        return summary;
     }
 }
diff --git a/ext/bg/js/dictionary.js b/ext/bg/js/dictionary.js
index e749390f..57acbe5e 100644
--- a/ext/bg/js/dictionary.js
+++ b/ext/bg/js/dictionary.js
@@ -55,14 +55,6 @@ function dictRowsSort(rows, options) {
 
 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;
@@ -73,11 +65,11 @@ function dictTermsSort(definitions, dictionaries=null) {
             }
         }
 
-        const s1 = v1.score;
-        const s2 = v2.score;
-        if (s1 > s2) {
+        const sl1 = v1.source.length;
+        const sl2 = v2.source.length;
+        if (sl1 > sl2) {
             return -1;
-        } else if (s1 < s2) {
+        } else if (sl1 < sl2) {
             return 1;
         }
 
@@ -89,6 +81,14 @@ function dictTermsSort(definitions, dictionaries=null) {
             return 1;
         }
 
+        const s1 = v1.score;
+        const s2 = v2.score;
+        if (s1 > s2) {
+            return -1;
+        } else if (s1 < s2) {
+            return 1;
+        }
+
         return v2.expression.localeCompare(v1.expression);
     });
 }
@@ -148,16 +148,6 @@ 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';
diff --git a/ext/bg/js/options.js b/ext/bg/js/options.js
index dcad97d4..36ab7694 100644
--- a/ext/bg/js/options.js
+++ b/ext/bg/js/options.js
@@ -146,7 +146,8 @@ function optionsSetDefaults(options) {
             middleMouse: true,
             selectText: true,
             alphanumeric: true,
-            delay: 15,
+            autoHideResults: false,
+            delay: 20,
             length: 10,
             modifier: 'shift'
         },
diff --git a/ext/bg/js/request.js b/ext/bg/js/request.js
index 94fd135a..e4359863 100644
--- a/ext/bg/js/request.js
+++ b/ext/bg/js/request.js
@@ -22,7 +22,7 @@ function requestJson(url, action, params) {
         const xhr = new XMLHttpRequest();
         xhr.overrideMimeType('application/json');
         xhr.addEventListener('load', () => resolve(xhr.responseText));
-        xhr.addEventListener('error', () => reject('failed to execute network request'));
+        xhr.addEventListener('error', () => reject('Failed to connect'));
         xhr.open(action, url);
         if (params) {
             xhr.send(JSON.stringify(params));
@@ -34,7 +34,7 @@ function requestJson(url, action, params) {
             return JSON.parse(responseText);
         }
         catch (e) {
-            return Promise.reject('invalid JSON response');
+            return Promise.reject('Invalid response');
         }
     });
 }
diff --git a/ext/bg/js/search.js b/ext/bg/js/search.js
index 54cda8ec..40bf2019 100644
--- a/ext/bg/js/search.js
+++ b/ext/bg/js/search.js
@@ -29,7 +29,7 @@ class DisplaySearch extends Display {
     }
 
     onError(error) {
-        window.alert(`Error: ${error}`);
+        window.alert(`Error: ${error.toString ? error.toString() : error}`);
     }
 
     onSearchClear() {
diff --git a/ext/bg/js/settings.js b/ext/bg/js/settings.js
index 55b469d0..a2f22371 100644
--- a/ext/bg/js/settings.js
+++ b/ext/bg/js/settings.js
@@ -35,6 +35,7 @@ async function formRead() {
     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.autoHideResults = $('#auto-hide-results').prop('checked');
     optionsNew.scanning.delay = parseInt($('#scan-delay').val(), 10);
     optionsNew.scanning.length = parseInt($('#scan-length').val(), 10);
     optionsNew.scanning.modifier = $('#scan-modifier-key').val();
@@ -82,7 +83,9 @@ function formUpdateVisibility(options) {
 
     const debug = $('#debug');
     if (options.general.debugInfo) {
-        const text = JSON.stringify(options, null, 4);
+        const temp = utilIsolate(options);
+        temp.anki.fieldTemplates = '...';
+        const text = JSON.stringify(temp, null, 4);
         debug.html(handlebarsEscape(text));
         debug.show();
     } else {
@@ -134,11 +137,12 @@ async function onReady() {
     $('#middle-mouse-button-scan').prop('checked', options.scanning.middleMouse);
     $('#select-matched-text').prop('checked', options.scanning.selectText);
     $('#search-alphanumeric').prop('checked', options.scanning.alphanumeric);
+    $('#auto-hide-results').prop('checked', options.scanning.autoHideResults);
     $('#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-purge-link').click(utilAsync(onDictionaryPurge));
     $('#dict-file').change(utilAsync(onDictionaryImport));
 
     $('#anki-enable').prop('checked', options.anki.enable);
@@ -175,7 +179,33 @@ $(document).ready(utilAsync(onReady));
 function dictionaryErrorShow(error) {
     const dialog = $('#dict-error');
     if (error) {
-        dialog.show().find('span').text(error);
+        const overrides = [
+            [
+                'A mutation operation was attempted on a database that did not allow mutations.',
+                'Access to IndexedDB appears to be restricted. Firefox seems to require that the history preference is set to "Remember history" before IndexedDB use of any kind is allowed.'
+            ],
+            [
+                'The operation failed for reasons unrelated to the database itself and not covered by any other error code.',
+                'Unable to access IndexedDB due to a possibly corrupt user profile. Try using the "Refresh Firefox" feature to reset your user profile.'
+            ],
+            [
+                'BulkError',
+                'Unable to finish importing dictionary data into IndexedDB. This may indicate that you do not have sufficient disk space available to complete this operation.'
+            ]
+        ];
+
+        if (error.toString) {
+            error = error.toString();
+        }
+
+        for (const [match, subst] of overrides) {
+            if (error.includes(match)) {
+                error = subst;
+                break;
+            }
+        }
+
+        dialog.show().text(error);
     } else {
         dialog.hide();
     }
@@ -211,7 +241,7 @@ async function dictionaryGroupsPopulate(options) {
     const dictGroups = $('#dict-groups').empty();
     const dictWarning = $('#dict-warning').hide();
 
-    const dictRows = await utilDatabaseGetDictionaries();
+    const dictRows = await utilDatabaseGetTitles();
     if (dictRows.length === 0) {
         dictWarning.show();
     }
@@ -241,7 +271,7 @@ async function onDictionaryPurge(e) {
     e.preventDefault();
 
     const dictControls = $('#dict-importer, #dict-groups').hide();
-    const dictProgress = $('#dict-purge-progress').show();
+    const dictProgress = $('#dict-purge').show();
 
     try {
         dictionaryErrorShow();
@@ -310,7 +340,7 @@ function ankiSpinnerShow(show) {
 function ankiErrorShow(error) {
     const dialog = $('#anki-error');
     if (error) {
-        dialog.show().find('span').text(error);
+        dialog.show().text(error);
     }
     else {
         dialog.hide();
diff --git a/ext/bg/js/templates.js b/ext/bg/js/templates.js
index 1c059365..b5d352fc 100644
--- a/ext/bg/js/templates.js
+++ b/ext/bg/js/templates.js
@@ -22,38 +22,87 @@ templates['dictionary.html'] = template({"1":function(container,depth0,helpers,p
     + "\" class=\"form-control dict-priority\">\n    </div>\n</div>\n";
 },"useData":true});
 templates['kanji.html'] = template({"1":function(container,depth0,helpers,partials,data) {
+    var stack1;
+
+  return ((stack1 = helpers["if"].call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.data : depth0),{"name":"if","hash":{},"fn":container.program(2, data, 0),"inverse":container.program(8, data, 0),"data":data})) != null ? stack1 : "");
+},"2":function(container,depth0,helpers,partials,data) {
+    var stack1;
+
+  return "<table class=\"info-output\">\n"
+    + ((stack1 = helpers.each.call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.data : depth0),{"name":"each","hash":{},"fn":container.program(3, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+    + "</table>\n";
+},"3":function(container,depth0,helpers,partials,data) {
+    var stack1, helper, alias1=depth0 != null ? depth0 : (container.nullContext || {});
+
+  return "    <tr>\n        <th>"
+    + ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.notes : depth0),{"name":"if","hash":{},"fn":container.program(4, data, 0),"inverse":container.program(6, data, 0),"data":data})) != null ? stack1 : "")
+    + "</th>\n        <td>"
+    + container.escapeExpression(((helper = (helper = helpers.value || (depth0 != null ? depth0.value : depth0)) != null ? helper : helpers.helperMissing),(typeof helper === "function" ? helper.call(alias1,{"name":"value","hash":{},"data":data}) : helper)))
+    + "</td>\n    </tr>\n";
+},"4":function(container,depth0,helpers,partials,data) {
+    var helper;
+
+  return container.escapeExpression(((helper = (helper = helpers.notes || (depth0 != null ? depth0.notes : depth0)) != null ? helper : helpers.helperMissing),(typeof helper === "function" ? helper.call(depth0 != null ? depth0 : (container.nullContext || {}),{"name":"notes","hash":{},"data":data}) : helper)));
+},"6":function(container,depth0,helpers,partials,data) {
+    var helper;
+
+  return container.escapeExpression(((helper = (helper = helpers.name || (depth0 != null ? depth0.name : depth0)) != null ? helper : helpers.helperMissing),(typeof helper === "function" ? helper.call(depth0 != null ? depth0 : (container.nullContext || {}),{"name":"name","hash":{},"data":data}) : helper)));
+},"8":function(container,depth0,helpers,partials,data) {
+    return "No data found\n";
+},"10":function(container,depth0,helpers,partials,data) {
     var stack1, helper, alias1=depth0 != null ? depth0 : (container.nullContext || {});
 
   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 : "")
+    + ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.addable : depth0),{"name":"if","hash":{},"fn":container.program(11, 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(13, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
     + "        <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 : "")
-    + "                </td>\n            </tr>\n            <tr>\n                <th>Onyomi:</th>\n                <td>\n"
-    + ((stack1 = helpers.each.call(alias1,(depth0 != null ? depth0.onyomi : depth0),{"name":"each","hash":{},"fn":container.program(6, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
-    + "                </td>\n            </tr>\n        </table>\n    </div>\n\n    <div>\n"
-    + ((stack1 = helpers.each.call(alias1,(depth0 != null ? depth0.tags : depth0),{"name":"each","hash":{},"fn":container.program(9, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
-    + "    </div>\n\n    <div class=\"glossary\">\n"
-    + ((stack1 = helpers["if"].call(alias1,((stack1 = (depth0 != null ? depth0.glossary : depth0)) != null ? stack1["1"] : stack1),{"name":"if","hash":{},"fn":container.program(11, data, 0),"inverse":container.program(15, data, 0),"data":data})) != null ? stack1 : "")
-    + "    </div>\n\n"
-    + ((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\n"
+    + ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.frequencies : depth0),{"name":"if","hash":{},"fn":container.program(15, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+    + "\n"
+    + ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.tags : depth0),{"name":"if","hash":{},"fn":container.program(18, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+    + "\n    <table class=\"table table-condensed glyph-data\">\n        <tr>\n            <th>Glossary</th>\n            <th>Readings</th>\n            <th>Statistics</th>\n        </tr>\n        <tr>\n            <td class=\"glossary\">\n"
+    + ((stack1 = helpers["if"].call(alias1,((stack1 = (depth0 != null ? depth0.glossary : depth0)) != null ? stack1["1"] : stack1),{"name":"if","hash":{},"fn":container.program(21, data, 0),"inverse":container.program(24, data, 0),"data":data})) != null ? stack1 : "")
+    + "            </td>\n            <td class=\"reading\">\n                "
+    + ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.onyomi : depth0),{"name":"if","hash":{},"fn":container.program(26, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+    + "\n                "
+    + ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.kunyomi : depth0),{"name":"if","hash":{},"fn":container.program(29, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+    + "\n            </td>\n            <td>"
+    + ((stack1 = container.invokePartial(partials.table,depth0,{"name":"table","hash":{"data":((stack1 = (depth0 != null ? depth0.stats : depth0)) != null ? stack1.misc : stack1)},"data":data,"helpers":helpers,"partials":partials,"decorators":container.decorators})) != null ? stack1 : "")
+    + "</td>\n        </tr>\n        <tr>\n            <th colspan=\"3\">Classifications</th>\n        </tr>\n        <tr>\n            <td colspan=\"3\">"
+    + ((stack1 = container.invokePartial(partials.table,depth0,{"name":"table","hash":{"data":((stack1 = (depth0 != null ? depth0.stats : depth0)) != null ? stack1["class"] : stack1)},"data":data,"helpers":helpers,"partials":partials,"decorators":container.decorators})) != null ? stack1 : "")
+    + "</td>\n        </tr>\n        <tr>\n            <th colspan=\"3\">Codepoints</th>\n        </tr>\n        <tr>\n            <td colspan=\"3\">"
+    + ((stack1 = container.invokePartial(partials.table,depth0,{"name":"table","hash":{"data":((stack1 = (depth0 != null ? depth0.stats : depth0)) != null ? stack1.code : stack1)},"data":data,"helpers":helpers,"partials":partials,"decorators":container.decorators})) != null ? stack1 : "")
+    + "</td>\n        </tr>\n        <tr>\n            <th colspan=\"3\">Dictionary Indices</th>\n        </tr>\n        <tr>\n            <td colspan=\"3\">"
+    + ((stack1 = container.invokePartial(partials.table,depth0,{"name":"table","hash":{"data":((stack1 = (depth0 != null ? depth0.stats : depth0)) != null ? stack1.index : stack1)},"data":data,"helpers":helpers,"partials":partials,"decorators":container.decorators})) != null ? stack1 : "")
+    + "</td>\n        </tr>\n    </table>\n\n"
+    + ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.debug : depth0),{"name":"if","hash":{},"fn":container.program(31, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
     + "</div>\n";
-},"2":function(container,depth0,helpers,partials,data) {
+},"11":function(container,depth0,helpers,partials,data) {
     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) {
+},"13":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) {
+},"15":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return "                    "
-    + container.escapeExpression(container.lambda(depth0, depth0))
-    + ((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) {
+  return "    <div>\n"
+    + ((stack1 = helpers.each.call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.frequencies : depth0),{"name":"each","hash":{},"fn":container.program(16, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+    + "    </div>\n";
+},"16":function(container,depth0,helpers,partials,data) {
+    var helper, alias1=depth0 != null ? depth0 : (container.nullContext || {}), alias2=helpers.helperMissing, alias3="function", alias4=container.escapeExpression;
+
+  return "        <span class=\"label label-default tag-frequency\">"
+    + alias4(((helper = (helper = helpers.dictionary || (depth0 != null ? depth0.dictionary : depth0)) != null ? helper : alias2),(typeof helper === alias3 ? helper.call(alias1,{"name":"dictionary","hash":{},"data":data}) : helper)))
+    + ":"
+    + alias4(((helper = (helper = helpers.frequency || (depth0 != null ? depth0.frequency : depth0)) != null ? helper : alias2),(typeof helper === alias3 ? helper.call(alias1,{"name":"frequency","hash":{},"data":data}) : helper)))
+    + "</span>\n";
+},"18":function(container,depth0,helpers,partials,data) {
+    var stack1;
+
+  return "    <div>\n"
+    + ((stack1 = helpers.each.call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.tags : depth0),{"name":"each","hash":{},"fn":container.program(19, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+    + "    </div>\n";
+},"19":function(container,depth0,helpers,partials,data) {
     var helper, alias1=depth0 != null ? depth0 : (container.nullContext || {}), alias2=helpers.helperMissing, alias3="function", alias4=container.escapeExpression;
 
   return "        <span class=\"label label-default tag-"
@@ -63,67 +112,74 @@ templates['kanji.html'] = template({"1":function(container,depth0,helpers,partia
     + "\">"
     + 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)))
     + "</span>\n";
-},"11":function(container,depth0,helpers,partials,data) {
+},"21":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return "        <ol>\n"
-    + ((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 : (container.nullContext || {}),options) : helper));
-  if (!helpers.multiLine) { stack1 = helpers.blockHelperMissing.call(depth0,stack1,options)}
-  if (stack1 != null) { buffer += stack1; }
-  return buffer + "</span></li>\n";
-},"13":function(container,depth0,helpers,partials,data) {
-    return container.escapeExpression(container.lambda(depth0, depth0));
-},"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 : (container.nullContext || {}),options) : helper));
-  if (!helpers.multiLine) { stack1 = helpers.blockHelperMissing.call(depth0,stack1,options)}
-  if (stack1 != null) { buffer += stack1; }
-  return buffer + "</div>\n";
-},"16":function(container,depth0,helpers,partials,data) {
+  return "                <ol>"
+    + ((stack1 = helpers.each.call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.glossary : depth0),{"name":"each","hash":{},"fn":container.program(22, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+    + "</ol>\n";
+},"22":function(container,depth0,helpers,partials,data) {
+    return "<li><span class=\"glossary-item\">"
+    + container.escapeExpression(container.lambda(depth0, depth0))
+    + "</span></li>";
+},"24":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return container.escapeExpression(container.lambda(((stack1 = (depth0 != null ? depth0.glossary : depth0)) != null ? stack1["0"] : stack1), depth0));
-},"18":function(container,depth0,helpers,partials,data) {
+  return "                <span class=\"glossary-item\">"
+    + container.escapeExpression(container.lambda(((stack1 = (depth0 != null ? depth0.glossary : depth0)) != null ? stack1["0"] : stack1), depth0))
+    + "</span>\n";
+},"26":function(container,depth0,helpers,partials,data) {
+    var stack1;
+
+  return "<dl>"
+    + ((stack1 = helpers.each.call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.onyomi : depth0),{"name":"each","hash":{},"fn":container.program(27, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+    + "</dl>";
+},"27":function(container,depth0,helpers,partials,data) {
+    return "<dd>"
+    + container.escapeExpression(container.lambda(depth0, depth0))
+    + "</dd>";
+},"29":function(container,depth0,helpers,partials,data) {
+    var stack1;
+
+  return "<dl>"
+    + ((stack1 = helpers.each.call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.kunyomi : depth0),{"name":"each","hash":{},"fn":container.program(27, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+    + "</dl>";
+},"31":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 : (container.nullContext || {}),options) : helper));
+  stack1 = ((helper = (helper = helpers.dumpObject || (depth0 != null ? depth0.dumpObject : depth0)) != null ? helper : helpers.helperMissing),(options={"name":"dumpObject","hash":{},"fn":container.program(32, 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";
-},"19":function(container,depth0,helpers,partials,data) {
+},"32":function(container,depth0,helpers,partials,data) {
     var stack1;
 
   return ((stack1 = container.lambda(depth0, depth0)) != null ? stack1 : "");
-},"21":function(container,depth0,helpers,partials,data,blockParams,depths) {
+},"34":function(container,depth0,helpers,partials,data,blockParams,depths) {
     var 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) {
+  return ((stack1 = helpers.each.call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.definitions : depth0),{"name":"each","hash":{},"fn":container.program(35, data, 0, blockParams, depths),"inverse":container.noop,"data":data})) != null ? stack1 : "");
+},"35":function(container,depth0,helpers,partials,data,blockParams,depths) {
     var 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 : "")
+  return ((stack1 = helpers.unless.call(depth0 != null ? depth0 : (container.nullContext || {}),(data && data.first),{"name":"unless","hash":{},"fn":container.program(36, 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) {
+},"36":function(container,depth0,helpers,partials,data) {
     return "<hr>";
-},"25":function(container,depth0,helpers,partials,data) {
-    return "<p class=\"note\">No results found.</p>\n";
+},"38":function(container,depth0,helpers,partials,data) {
+    return "<p class=\"note\">No results found</p>\n";
 },"compiler":[7,">= 4.0.0"],"main":function(container,depth0,helpers,partials,data,blockParams,depths) {
     var stack1;
 
-  return "\n"
-    + ((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 : "");
+  return "\n\n"
+    + ((stack1 = helpers["if"].call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.definitions : depth0),{"name":"if","hash":{},"fn":container.program(34, data, 0, blockParams, depths),"inverse":container.program(38, data, 0, blockParams, depths),"data":data})) != 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":["kanji"],"data":data}) || fn;
+  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(1, data, 0, blockParams, depths),"inverse":container.noop,"args":["table"],"data":data}) || fn;
+  fn = decorators.inline(fn,props,container,{"name":"inline","hash":{},"fn":container.program(10, data, 0, blockParams, depths),"inverse":container.noop,"args":["kanji"],"data":data}) || fn;
   return fn;
   }
 
@@ -203,10 +259,12 @@ templates['terms.html'] = template({"1":function(container,depth0,helpers,partia
   if (stack1 != null) { buffer += stack1; }
   return buffer + "</div>\n\n"
     + ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.reasons : depth0),{"name":"if","hash":{},"fn":container.program(20, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+    + "\n"
+    + ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.frequencies : depth0),{"name":"if","hash":{},"fn":container.program(24, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
     + "\n    <div class=\"glossary\">\n"
-    + ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.grouped : depth0),{"name":"if","hash":{},"fn":container.program(24, data, 0),"inverse":container.program(30, data, 0),"data":data})) != null ? stack1 : "")
+    + ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.grouped : depth0),{"name":"if","hash":{},"fn":container.program(27, data, 0),"inverse":container.program(33, data, 0),"data":data})) != null ? stack1 : "")
     + "    </div>\n\n"
-    + ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.debug : depth0),{"name":"if","hash":{},"fn":container.program(32, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+    + ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.debug : depth0),{"name":"if","hash":{},"fn":container.program(35, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
     + "</div>\n";
 },"13":function(container,depth0,helpers,partials,data) {
     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";
@@ -242,53 +300,67 @@ templates['terms.html'] = template({"1":function(container,depth0,helpers,partia
 },"24":function(container,depth0,helpers,partials,data) {
     var 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(25, data, 0),"inverse":container.program(28, data, 0),"data":data})) != null ? stack1 : "");
+  return "    <div>\n"
+    + ((stack1 = helpers.each.call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.frequencies : depth0),{"name":"each","hash":{},"fn":container.program(25, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+    + "    </div>\n";
 },"25":function(container,depth0,helpers,partials,data) {
+    var helper, alias1=depth0 != null ? depth0 : (container.nullContext || {}), alias2=helpers.helperMissing, alias3="function", alias4=container.escapeExpression;
+
+  return "        <span class=\"label label-default tag-frequency\">"
+    + alias4(((helper = (helper = helpers.dictionary || (depth0 != null ? depth0.dictionary : depth0)) != null ? helper : alias2),(typeof helper === alias3 ? helper.call(alias1,{"name":"dictionary","hash":{},"data":data}) : helper)))
+    + ":"
+    + alias4(((helper = (helper = helpers.frequency || (depth0 != null ? depth0.frequency : depth0)) != null ? helper : alias2),(typeof helper === alias3 ? helper.call(alias1,{"name":"frequency","hash":{},"data":data}) : helper)))
+    + "</span>\n";
+},"27":function(container,depth0,helpers,partials,data) {
+    var 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(28, data, 0),"inverse":container.program(31, data, 0),"data":data})) != null ? stack1 : "");
+},"28":function(container,depth0,helpers,partials,data) {
     var stack1;
 
   return "        <ol>\n"
-    + ((stack1 = helpers.each.call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.definitions : depth0),{"name":"each","hash":{},"fn":container.program(26, 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(29, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
     + "        </ol>\n";
-},"26":function(container,depth0,helpers,partials,data) {
+},"29":function(container,depth0,helpers,partials,data) {
     var stack1;
 
   return "            <li>"
     + ((stack1 = container.invokePartial(partials.definition,depth0,{"name":"definition","data":data,"helpers":helpers,"partials":partials,"decorators":container.decorators})) != null ? stack1 : "")
     + "</li>\n";
-},"28":function(container,depth0,helpers,partials,data) {
+},"31":function(container,depth0,helpers,partials,data) {
     var stack1;
 
   return ((stack1 = container.invokePartial(partials.definition,((stack1 = (depth0 != null ? depth0.definitions : depth0)) != null ? stack1["0"] : stack1),{"name":"definition","data":data,"indent":"        ","helpers":helpers,"partials":partials,"decorators":container.decorators})) != null ? stack1 : "");
-},"30":function(container,depth0,helpers,partials,data) {
+},"33":function(container,depth0,helpers,partials,data) {
     var stack1;
 
   return ((stack1 = container.invokePartial(partials.definition,depth0,{"name":"definition","data":data,"indent":"        ","helpers":helpers,"partials":partials,"decorators":container.decorators})) != null ? stack1 : "");
-},"32":function(container,depth0,helpers,partials,data) {
+},"35":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(18, 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";
-},"34":function(container,depth0,helpers,partials,data,blockParams,depths) {
+},"37":function(container,depth0,helpers,partials,data,blockParams,depths) {
     var stack1;
 
-  return ((stack1 = helpers.each.call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.definitions : depth0),{"name":"each","hash":{},"fn":container.program(35, data, 0, blockParams, depths),"inverse":container.noop,"data":data})) != null ? stack1 : "");
-},"35":function(container,depth0,helpers,partials,data,blockParams,depths) {
+  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 : (container.nullContext || {}),(data && data.first),{"name":"unless","hash":{},"fn":container.program(36, 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 : "");
-},"36":function(container,depth0,helpers,partials,data) {
+},"39":function(container,depth0,helpers,partials,data) {
     return "<hr>";
-},"38":function(container,depth0,helpers,partials,data) {
+},"41":function(container,depth0,helpers,partials,data) {
     return "<p class=\"note\">No results found.</p>\n";
 },"compiler":[7,">= 4.0.0"],"main":function(container,depth0,helpers,partials,data,blockParams,depths) {
     var stack1;
 
   return "\n\n"
-    + ((stack1 = helpers["if"].call(depth0 != null ? depth0 : (container.nullContext || {}),(depth0 != null ? depth0.definitions : depth0),{"name":"if","hash":{},"fn":container.program(34, data, 0, blockParams, depths),"inverse":container.program(38, 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 1be485c7..c915dbc0 100644
--- a/ext/bg/js/translator.js
+++ b/ext/bg/js/translator.js
@@ -37,8 +37,26 @@ class Translator {
     }
 
     async findTermsGrouped(text, dictionaries, alphanumeric) {
+        const titles = Object.keys(dictionaries);
         const {length, definitions} = await this.findTerms(text, dictionaries, alphanumeric);
-        return {length, definitions: dictTermsGroup(definitions, dictionaries)};
+
+        const definitionsGrouped = dictTermsGroup(definitions, dictionaries);
+        for (const definition of definitionsGrouped) {
+            await this.buildTermFrequencies(definition, titles);
+        }
+
+        return {length, definitions: definitionsGrouped};
+    }
+
+    async findTermsSplit(text, dictionaries, alphanumeric) {
+        const titles = Object.keys(dictionaries);
+        const {length, definitions} = await this.findTerms(text, dictionaries, alphanumeric);
+
+        for (const definition of definitions) {
+            await this.buildTermFrequencies(definition, titles);
+        }
+
+        return {length, definitions};
     }
 
     async findTerms(text, dictionaries, alphanumeric) {
@@ -51,17 +69,18 @@ class Translator {
 
         const cache = {};
         const titles = Object.keys(dictionaries);
-        let deinflections = await this.findTermsDeinflected(text, titles, cache);
+        let deinflections = await this.findTermDeinflections(text, titles, cache);
         const textHiragana = jpKatakanaToHiragana(text);
         if (text !== textHiragana) {
-            deinflections = deinflections.concat(await this.findTermsDeinflected(textHiragana, titles, cache));
+            deinflections = deinflections.concat(await this.findTermDeinflections(textHiragana, titles, cache));
         }
 
         let definitions = [];
         for (const deinflection of deinflections) {
             for (const definition of deinflection.definitions) {
-                const tags = definition.tags.map(tag => dictTagBuild(tag, definition.tagMeta));
+                const tags = await this.expandTags(definition.tags, definition.dictionary);
                 tags.push(dictTagBuildSource(definition.dictionary));
+
                 definitions.push({
                     source: deinflection.source,
                     reasons: deinflection.reasons,
@@ -87,7 +106,7 @@ class Translator {
         return {length, definitions};
     }
 
-    async findTermsDeinflected(text, titles, cache) {
+    async findTermDeinflections(text, titles, cache) {
         const definer = async term => {
             if (cache.hasOwnProperty(term)) {
                 return cache[term];
@@ -117,11 +136,88 @@ class Translator {
         }
 
         for (const definition of definitions) {
-            const tags = definition.tags.map(tag => dictTagBuild(tag, definition.tagMeta));
+            const tags = await this.expandTags(definition.tags, definition.dictionary);
             tags.push(dictTagBuildSource(definition.dictionary));
+
             definition.tags = dictTagsSort(tags);
+            definition.stats = await this.expandStats(definition.stats, definition.dictionary);
+
+            definition.frequencies = [];
+            for (const meta of await this.database.findKanjiMeta(definition.character, titles)) {
+                if (meta.mode === 'freq') {
+                    definition.frequencies.push({
+                        character: meta.character,
+                        frequency: meta.data,
+                        dictionary: meta.dictionary
+                    });
+                }
+            }
         }
 
         return definitions;
     }
+
+    async buildTermFrequencies(definition, titles) {
+        definition.frequencies = [];
+        for (const meta of await this.database.findTermMeta(definition.expression, titles)) {
+            if (meta.mode === 'freq') {
+                definition.frequencies.push({
+                    expression: meta.expression,
+                    frequency: meta.data,
+                    dictionary: meta.dictionary
+                });
+            }
+        }
+    }
+
+    async expandTags(names, title) {
+        const tags = [];
+        for (const name of names) {
+            const base = name.split(':')[0];
+            const meta = await this.database.findTagForTitle(base, title);
+
+            const tag = {name};
+            for (const prop in meta || {}) {
+                if (prop !== 'name') {
+                    tag[prop] = meta[prop];
+                }
+            }
+
+            tags.push(dictTagSanitize(tag));
+        }
+
+        return tags;
+    }
+
+    async expandStats(items, title) {
+        const stats = {};
+        for (const name in items) {
+            const base = name.split(':')[0];
+            const meta = await this.database.findTagForTitle(base, title);
+            const group = stats[meta.category] = stats[meta.category] || [];
+
+            const stat = {name, value: items[name]};
+            for (const prop in meta || {}) {
+                if (prop !== 'name') {
+                    stat[prop] = meta[prop];
+                }
+            }
+
+            group.push(dictTagSanitize(stat));
+        }
+
+        for (const category in stats) {
+            stats[category].sort((a, b) => {
+                if (a.notes < b.notes) {
+                    return -1;
+                } else if (a.notes > b.notes) {
+                    return 1;
+                } else {
+                    return 0;
+                }
+            });
+        }
+
+        return stats;
+    }
 }
diff --git a/ext/bg/js/util.js b/ext/bg/js/util.js
index a92fd0bc..f44582eb 100644
--- a/ext/bg/js/util.js
+++ b/ext/bg/js/util.js
@@ -42,8 +42,8 @@ function utilAnkiGetModelFieldNames(modelName) {
     return utilBackend().anki.getModelFieldNames(modelName);
 }
 
-function utilDatabaseGetDictionaries() {
-    return utilBackend().translator.database.getDictionaries();
+function utilDatabaseGetTitles() {
+    return utilBackend().translator.database.getTitles();
 }
 
 function utilDatabasePurge() {
diff --git a/ext/bg/settings.html b/ext/bg/settings.html
index 0a5c205c..4315d74b 100644
--- a/ext/bg/settings.html
+++ b/ext/bg/settings.html
@@ -7,7 +7,7 @@
         <link rel="stylesheet" type="text/css" href="/mixed/lib/bootstrap/css/bootstrap-theme.min.css">
         <style>
             #anki-spinner, #anki-general, #anki-error,
-            #dict-spinner, #dict-error, #dict-warning, #dict-purge-progress, #dict-import-progress,
+            #dict-spinner, #dict-error, #dict-warning, #dict-purge, #dict-import-progress,
             #debug, .options-advanced {
                 display: none;
             }
@@ -96,6 +96,10 @@
                     <label><input type="checkbox" id="search-alphanumeric"> Search alphanumeric text</label>
                 </div>
 
+                <div class="checkbox">
+                    <label><input type="checkbox" id="auto-hide-results"> Automatically hide results</label>
+                </div>
+
                 <div class="form-group options-advanced">
                     <label for="scan-delay">Scan delay (in milliseconds)</label>
                     <input type="number" min="1" id="scan-delay" class="form-control">
@@ -125,24 +129,16 @@
 
                 <p class="help-block">
                     Yomichan can import and use a variety of dictionary formats. Unneeded dictionaries can be disabled,
-                    or you can simply <a href="#" id="dict-purge">purge the database</a> to delete everything.
+                    or you can simply <a href="#" id="dict-purge-link">purge the database</a> to delete everything.
                 </p>
                 <p class="help-block">
                     Please visit the <a href="https://foosoft.net/projects/yomichan" target="_blank">Yomichan</a> homepage to download free
                     dictionaries that you can use with this extension.
                 </p>
 
-                <div id="dict-purge-progress" class="text-danger">Dictionary data is being purged, please be patient...</div>
-
-                <div class="alert alert-warning" id="dict-warning">
-                    <strong>Warning:</strong>
-                    <span>no dictionaries found; please use the importer below to install packaged dictionaries</span>
-                </div>
-
-                <div class="alert alert-danger" id="dict-error">
-                    <strong>Error:</strong>
-                    <span></span>
-                </div>
+                <div class="text-danger" id="dict-purge">Dictionary data is being purged, please be patient...</div>
+                <div class="alert alert-warning" id="dict-warning">No dictionaries have been installed</div>
+                <div class="alert alert-danger" id="dict-error"></div>
 
                 <div id="dict-groups"></div>
 
@@ -170,10 +166,7 @@
                     <a href="https://foosoft.net/projects/anki-connect/" target="_blank">AnkiConnect</a> plugin.
                 </p>
 
-                <div class="alert alert-danger" id="anki-error">
-                    <strong>Error:</strong>
-                    <span></span>
-                </div>
+                <div class="alert alert-danger" id="anki-error"></div>
 
                 <div class="checkbox">
                     <label><input type="checkbox" id="anki-enable"> Enable Anki integration</label>
diff --git a/ext/fg/js/document.js b/ext/fg/js/document.js
index b1e71777..a1806d77 100644
--- a/ext/fg/js/document.js
+++ b/ext/fg/js/document.js
@@ -86,7 +86,7 @@ function docRangeFromPoint(point) {
     }
 
     const range = document.caretRangeFromPoint(point.x, point.y);
-    if (range) {
+    if (range && range.startContainer.nodeType === 3 && range.endContainer.nodeType === 3) {
         return new TextSourceRange(range);
     }
 }
diff --git a/ext/fg/js/float.js b/ext/fg/js/float.js
index 22374f8b..ff50483d 100644
--- a/ext/fg/js/float.js
+++ b/ext/fg/js/float.js
@@ -27,7 +27,7 @@ class DisplayFloat extends Display {
         if (window.yomichan_orphaned) {
             this.onOrphaned();
         } else {
-            window.alert(`Error: ${error}`);
+            window.alert(`Error: ${error.toString ? error.toString() : error}`);
         }
     }
 
diff --git a/ext/fg/js/frontend.js b/ext/fg/js/frontend.js
index 41c93f00..3a90b3ad 100644
--- a/ext/fg/js/frontend.js
+++ b/ext/fg/js/frontend.js
@@ -80,7 +80,6 @@ class Frontend {
         const search = async () => {
             try {
                 await this.searchAt({x: e.clientX, y: e.clientY});
-                this.pendingLookup = false;
             } catch (e) {
                 this.onError(e);
             }
@@ -153,7 +152,7 @@ class Frontend {
     }
 
     onError(error) {
-        window.alert(`Error: ${error}`);
+        window.alert(`Error: ${error.toString ? error.toString() : error}`);
     }
 
     popupTimerSet(callback) {
@@ -169,27 +168,17 @@ class Frontend {
     }
 
     async searchAt(point) {
-        let textSource = null;
-
-        try {
-            if (this.pendingLookup) {
-                return;
-            }
-
-            textSource = docRangeFromPoint(point);
-            if (!textSource || !textSource.containsPoint(point)) {
-                docImposterDestroy();
-                return;
-            }
-
-            if (this.textSourceLast && this.textSourceLast.equals(textSource)) {
-                return;
-            }
+        if (this.pendingLookup || this.popup.containsPoint(point)) {
+            return;
+        }
 
-            this.pendingLookup = true;
+        const textSource = docRangeFromPoint(point);
+        let hideResults = !textSource || !textSource.containsPoint(point);
 
-            if (!await this.searchTerms(textSource)) {
-                await this.searchKanji(textSource);
+        try {
+            if (!hideResults && (!this.textSourceLast || !this.textSourceLast.equals(textSource))) {
+                this.pendingLookup = true;
+                hideResults = !await this.searchTerms(textSource) && !await this.searchKanji(textSource);
             }
         } catch (e) {
             if (window.yomichan_orphaned) {
@@ -200,7 +189,12 @@ class Frontend {
                 this.onError(e);
             }
         } finally {
-            docImposterDestroy();
+            if (hideResults && this.options.scanning.autoHideResults) {
+                this.searchClear();
+            } else {
+                docImposterDestroy();
+            }
+
             this.pendingLookup = false;
         }
     }
diff --git a/ext/fg/js/popup.js b/ext/fg/js/popup.js
index 03958832..d1009fe9 100644
--- a/ext/fg/js/popup.js
+++ b/ext/fg/js/popup.js
@@ -100,6 +100,21 @@ class Popup {
         return this.injected && this.container.style.visibility !== 'hidden';
     }
 
+    containsPoint(point) {
+        if (!this.isVisible()) {
+            return false;
+        }
+
+        const rect = this.container.getBoundingClientRect();
+        const contained =
+            point.x >= rect.left &&
+            point.y >= rect.top &&
+            point.x < rect.right &&
+            point.y < rect.bottom;
+
+        return contained;
+    }
+
     async termsShow(elementRect, definitions, options, context) {
         await this.show(elementRect, options);
         this.invokeApi('termsShow', {definitions, options, context});
diff --git a/ext/fg/js/source.js b/ext/fg/js/source.js
index 3b6ecb2a..664dbec7 100644
--- a/ext/fg/js/source.js
+++ b/ext/fg/js/source.js
@@ -82,7 +82,7 @@ class TextSourceRange {
     }
 
     equals(other) {
-        return other.range && other.range.compareBoundaryPoints(Range.START_TO_START, this.range) === 0;
+        return other && other.range && other.range.compareBoundaryPoints(Range.START_TO_START, this.range) === 0;
     }
 
     static shouldEnter(node) {
@@ -239,6 +239,6 @@ class TextSourceElement {
     }
 
     equals(other) {
-        return other.element === this.element && other.content === this.content;
+        return other && other.element === this.element && other.content === this.content;
     }
 }
diff --git a/ext/manifest.json b/ext/manifest.json
index 7ff76437..b6d0642e 100644
--- a/ext/manifest.json
+++ b/ext/manifest.json
@@ -1,7 +1,7 @@
 {
     "manifest_version": 2,
     "name": "Yomichan",
-    "version": "1.3.5",
+    "version": "1.4.0",
 
     "description": "Japanese dictionary with Anki integration",
     "icons": {"16": "mixed/img/icon16.png", "48": "mixed/img/icon48.png", "128": "mixed/img/icon128.png"},
diff --git a/ext/mixed/css/display.css b/ext/mixed/css/display.css
index 8b1819bd..cdc1be8c 100644
--- a/ext/mixed/css/display.css
+++ b/ext/mixed/css/display.css
@@ -84,6 +84,10 @@ hr {
     background-color: #aa66cc;
 }
 
+.tag-frequency {
+    background-color: #5cb85c;
+}
+
 .actions .disabled {
     pointer-events: none;
     cursor: default;
@@ -144,3 +148,15 @@ hr {
     padding: 0.01em;
     vertical-align: top;
 }
+
+.glyph-data {
+    margin-top: 10px;
+}
+
+.info-output {
+    width: 100%;
+}
+
+.info-output td {
+    text-align: right;
+}
diff --git a/ext/mixed/js/display.js b/ext/mixed/js/display.js
index 47efd195..75ee339a 100644
--- a/ext/mixed/js/display.js
+++ b/ext/mixed/js/display.js
@@ -32,11 +32,11 @@ class Display {
     }
 
     onError(error) {
-        throw 'override me';
+        throw 'Override me';
     }
 
     onSearchClear() {
-        throw 'override me';
+        throw 'Override me';
     }
 
     onSourceTermView(e) {
@@ -350,7 +350,7 @@ class Display {
                 Display.adderButtonFind(index, mode).addClass('disabled');
                 Display.viewerButtonFind(index).removeClass('pending disabled').data('noteId', noteId);
             } else {
-                throw 'note could note be added';
+                throw 'Note could note be added';
             }
         } catch (e) {
             this.onError(e);