Actually, the bug has been marked as a duplicate in mozilla bugzilla. The "top" bug is https://bugzilla.mozilla.org/show_bug.cgi?id=195138. However, it seems that it's taking the direction of a "WONTFIX", because this is considered as data loss.
** Bug watch added: Mozilla Bugzilla #195138 https://bugzilla.mozilla.org/show_bug.cgi?id=195138 -- Non properly a bug: it is not possible to modify email "subject" https://bugs.launchpad.net/bugs/490935 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs