According to the upstream bug this is fixed in emacs 24.5, which has been uploaded to Wily.
** Changed in: emacs24 (Ubuntu) Status: Triaged => Fix Released ** Changed in: emacs24 (Ubuntu Trusty) Importance: Undecided => Medium ** Changed in: emacs24 (Ubuntu Trusty) Status: Confirmed => Triaged ** Changed in: exo (Ubuntu Trusty) Importance: Undecided => Medium ** Bug watch added: debbugs.gnu.org #19921 http://debbugs.gnu.org/cgi-bin/bugreport.cgi?bug=19921 ** Changed in: emacs24 (Ubuntu Utopic) Importance: Undecided => Medium ** Changed in: exo (Ubuntu Utopic) Importance: Undecided => Medium ** Changed in: firefox (Ubuntu) Importance: Undecided => High ** Changed in: firefox (Ubuntu Trusty) Importance: Undecided => High ** Changed in: firefox (Ubuntu Utopic) Importance: Undecided => High -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1425972 Title: Firefox no longer supports -remote parameter To manage notifications about this bug go to: https://bugs.launchpad.net/emacs/+bug/1425972/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs