This is the revision history for debug in <freenode.net:#perlbot>

factoid_idsubjectcopulapredicateauthornamespace
8826 debug is [fact debugger [arg]]
perldoc perldebug, perldoc perldebtut, http://www.perl.com/pub/a/2006/04/06/debugger.html , http://perl-begin.org/topics/debugging/
rindolf <*:##NULL>