'prompt' is used when channel or query is active in window and
'prompt_window' is used with empty windows.
git-svn-id: http://svn.irssi.org/repos/irssi/trunk@1005 dbcabf3a-b0e7-0310-adc4-f8d773084564
is enough for everybody" :). Check sysname/sysrelease only once at
beginning and use those values rest of the time.
git-svn-id: http://svn.irssi.org/repos/irssi/trunk@970 dbcabf3a-b0e7-0310-adc4-f8d773084564