I just found the new extension (as of Sept. 2011) "editemailsubject" (must be typed as written, without blanks, in Thunderbird's extensions search). It allows to edit the subject displayed in the mailbox window while preserving the subject in the message header. Exactly what I was looking for.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/490935 Title: it is not possible to modify email subject To manage notifications about this bug go to: https://bugs.launchpad.net/thunderbird/+bug/490935/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
