Invalid occupants in roster of MUC
Bug description
Gajim displays invalid occupants (not presented and, sometimes, even offline). Consequently, after another change in nickname, two error messages, from invalid JID being ignored, appear. See attached logs.
Steps to reproduce
Change nickname to {Ʉ_
or Ʉ
or السلام عليكم
or שלום
, change nickname again.
Software versions
OS version: Salix OS 14.0.1 (Slackware 14.0 based) GTK version: 2.24.10 PyGTK version: 2.24.0