I have the exact same version of Firefox than you. I followed your instructions, but the filename doesn't disapear for me. Weird. I wonder what else could cause this mismatch in behaviour between my computer and yours.
** Changed in: firefox (Ubuntu) Status: Needs Info => Unconfirmed -- folder operations clear name entry in Save As dialouge https://launchpad.net/bugs/66579 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs