Firefox 3 has issues creating the dialogs for XfD, ARV, and probably others. The 'Work area' is not properly prefilled, user can workaround it by manually triggering a change event in the select dropd…
friendlytag adds the {{null}} template. Reported at
http://en.wikipedia.org/w/index.php?title=Wikipedia_talk:Twinkle&oldid=431651910#Null_tags
Examples:
http://en.wikipedia.org/w/index.php?title=Gone…