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authorPierce James Morris <17671699+piercemorris@users.noreply.github.com>2024-01-14 02:16:39 +0000
committerGitHub <noreply@github.com>2024-01-14 02:16:39 +0000
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tree4b72fb68bd94fb703fec0bc6ec09dbebdb24264d /docs/faq.md
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Reworked README & supplimenting docs (#512)
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+## Frequently Asked Questions
+
+**I can't scan text in Firefox!**
+
+In Firefox's Manifest V3, host permissions are treated as opt-in. For Yomitan to work properly, the recommended permissions
+must be explicitly set. In the Yomitan welcome page, go to the `Recommended Permissions (Important)` section and check `Enable recommended permissions`.
+
+**I'm having problems importing dictionaries in Firefox, what do I do?**
+
+Yomitan uses the cross-browser IndexedDB system for storing imported dictionary data into your user profile. Although
+everything "just works" in Chrome, depending on settings, Firefox users can run into problems due to browser bugs.
+Yomitan catches errors and tries to offer suggestions about how to work around Firefox issues, but in general at least
+one of the following solutions should work for you:
+
+- Make sure you have cookies enabled. It appears that disabling them also disables IndexedDB for some reason. You
+ can still have cookies be disabled on other sites; just make sure to add the Yomitan extension to the whitelist of
+ whatever tool you are using to restrict cookies. You can get the extension "URL" by looking at the address bar when
+ you have the search page open.
+- Make sure that you have sufficient disk space available on the drive Firefox uses to store your user profile.
+ Firefox limits the amount of space that can be used by IndexedDB to a small fraction of the disk space actually
+ available on your computer.
+- Make sure that you have history set to "Remember history" enabled in your privacy settings. When this option is
+ set to "Never remember history", IndexedDB access is once again disabled for an inexplicable reason.
+- As a last resort, try using the [Refresh Firefox](https://support.mozilla.org/en-US/kb/reset-preferences-fix-problems)
+ feature to reset your user profile. It appears that the Firefox profile system can corrupt itself preventing
+ IndexedDB from being accessible to Yomitan.
+
+**Will you add support for online dictionaries?**
+
+Online dictionaries will not be implemented because it is not possible to support them in a robust way. In order to
+perform Japanese deinflection, Yomitan must execute dozens of database queries for every single word. Factoring in
+network latency and the fragility of web scraping, it would not be possible to maintain a good and consistent user
+experience.
+
+**Is it possible to use Yomitan with files saved locally on my computer with Chrome?**
+
+In order to use Yomitan with local files in Chrome, you must first tick the _Allow access to file URLs_ checkbox
+for Yomitan on the extensions page. Due to the restrictions placed on browser addons in the WebExtensions model, it
+will likely never be possible to use Yomitan with PDF files.
+
+**Is it possible to delete individual dictionaries without purging the database?**
+
+Yomitan is able to delete individual dictionaries, but keep in mind that this process can be _very_ slow and can
+cause the browser to become unresponsive. The time it takes to delete a single dictionary can sometimes be roughly
+the same as the time it originally took to import, which can be significant for certain large dictionaries.
+
+**Why aren't EPWING dictionaries bundled with Yomitan?**
+
+The vast majority of EPWING dictionaries are proprietary, so they are unfortunately not able to be included in
+this extension due to copyright reasons.
+
+**When are you going to add support for $MYLANGUAGE?**
+
+Developing Yomitan requires a decent understanding of Japanese sentence structure and grammar, and other languages
+are likely to have their own unique set of rules for syntax, grammar, inflection, and so on. Supporting additional
+languages would not only require many additional changes to the codebase, it would also incur significant maintenance
+overhead and knowledge demands for the developers. Therefore, suggestions and contributions for supporting
+new languages will be declined, allowing Yomitan's focus to remain Japanese-centric.