to fix this issue: change the "bidi.edit.delete_immediately" from about:config to "true"
https://bugzilla.mozilla.org/show_bug.cgi?id=1034337 ** Bug watch added: Mozilla Bugzilla #1034337 https://bugzilla.mozilla.org/show_bug.cgi?id=1034337 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1405930 Title: must press backspace twice to delete one Persian/Arabic character To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1405930/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs