[det]list_debug_topics
[det]list_debug_topics(+Options)List currently known topics for debug/3 
and their setting. Options is either an atom or string, which 
is a shorthand for
[search(String)] or a normal option list. Defined options 
are:
- search(String)
 - Only show topics that match String. Match is case insensitive 
on the printed representation of the term.
 
- active(+Boolean)
 - Only print topics that are active (
true) or inactive (false). 
- output(+To)
 - Only print topics whose target location matches To. This 
option implicitly restricts the output to active topics.