1) Install some dictionaries from here https://addons.mozilla.org/en-US/firefox/language-tools/ - I have English (US), Croatian, Czech, English (Australian), English (British), English (Canadian) and Czech (without diacritics) from https://addons.mozilla.org/en-US/firefox/addon/czech-spell-checking-without-d/. 2) Now find a website you can type. 3) Right-click into the textbox a look at a list of dictionaries, the are not in alphabetical order.
Component: Menus → Spelling checker
Product: Firefox → Core
Seems to work fine in current Firefox 35.
Status: UNCONFIRMED → RESOLVED
Last Resolved: 4 years ago
Resolution: --- → WORKSFORME
You need to log in before you can comment on or make changes to this bug.