2 ?- list_debug_topics.
---------------------------------------------
Debug Topic               Activated TO
---------------------------------------------
todo                           true [user_error]
setting                        true [user_error]
read                           true [user_error]
clause_info                    true [user_error]
backtrace                      true [user_error]
socket(proxy)                  true [user_error]
thread_pool(state)             true [user_error]
thread_pool(current)           true [user_error]
thread_pool                    true [user_error]
http(hook)                     true [user_error]
http(transfer_encoding)        true [user_error]
http(cgi)                      true [user_error]
http(connection)               true [user_error]
http(worker)                   true [user_error]
http(keep_alife)               true [user_error]
http(error)                    true [user_error]
http(server)                   true [user_error]
http(spawn)                    true [user_error]
http_path                      true [user_error]
html(mailman)                  true [user_error]
http(header)                   true [user_error]
obsolete                       true [user_error]
cookie                         true [user_error]
http(proxy)                    true [user_error]
http(redirect)                 true [user_error]
http(open)                     true [user_error]
http_session                   true [user_error]
http(client)                   true [user_error]
connection                     true [user_error]
keep_alive                     true [user_error]
multipart(content)             true [user_error]
multipart(bom)                 true [user_error]
post_request                   true [user_error]
post                           true [user_error]
html(script)                   true [user_error]
yadis                          true [user_error]
openid(VERIFY)                 true [user_error]
openid(yadis)                  true [user_error]
openid(resolve)                true [user_error]
openid(authenticate)           true [user_error]
openid(check_authentication)   true [user_error]
openid(ax)                     true [user_error]
openid(crypt)                  true [user_error]
openid(associate)              true [user_error]
http_authenticate              true [user_error]
db                             true [user_error]
openid                         true [user_error]
login                          true [user_error]
concurrent                     true [user_error]
rdf_meta                       true [user_error]
rdf(LOAD)                      true [user_error]
halt                           true [user_error]
monitor                        true [user_error]
rdf_persistency                true [user_error]
sandbox(fail)                  true [user_error]
sandbox(show)                  true [user_error]
sandbox(specify)               true [user_error]
sandbox(meta)                  true [user_error]
sandbox(directive)             true [user_error]
sandbox(expansion)             true [user_error]
rdf_litindex                   true [user_error]
rdf_optimise                   true [user_error]
rdf_optimise(all)              true [user_error]
rdf_optimise(complexity)       true [user_error]
sparql(eval)                   true [user_error]
sparql(subquery)               true [user_error]
carthesian_size                true [user_error]
carthesian_no_select           true [user_error]
carthesian_bags                true [user_error]
serql(compiled)                true [user_error]
removeStatements               true [user_error]
sparql(result)                 true [user_error]
csv                            true [user_error]
json_arg                       true [user_error]
settings                       true [user_error]
rdf_library                    true [user_error]
base_ontologies                true [user_error]
url_cache                      true [user_error]
gv                             true [user_error]
graphviz                       true [user_error]
dot                            true [user_error]
abstract                       true [user_error]
abstract(property)             true [user_error]
common_ancestor                true [user_error]
used_properties                true [user_error]
rdf_abstract                   true [user_error]
rdf_browse                     true [user_error]
pldoc                          true [user_error]
markdown(emphasis)             true [user_error]
xref(op)                       true [user_error]
xref(directive)                true [user_error]
http(pool)                     true [user_error]
predicate_options              true [user_error]
predicate_options(decl)        true [user_error]
colour                         true [user_error]
emacs                          true [user_error]
pldoc(cite)                    true [user_error]
htmlsrc                        true [user_error]
plweb                          true [user_error]
http(request)                  true [user_error]
http(request)                  true [user_error]
http(request)                  true [user_error]
lod                            true [user_error]
pengine(debug)                 true [user_error]
pengine(delay)                 true [user_error]
pengine(event)                 true [user_error]
pengine(stream)                true [user_error]
pengine(abort)                 true [user_error]
pengine(transition)            true [user_error]
pengine(destroy)               true [user_error]
pengine(wait)                  true [user_error]
pengine(allow)                 true [user_error]
syntax_error(illegal_number)   true [user_error]
number_codes/2                 true [user_error]
number_codes(_G3924173,_G3924174) true [user_error]
logicmoo_util_bugger_catch     true [user_error]
logicmoo_util_bugger_catch:catchv/3 true [user_error]
type_error(number,t)           true [user_error]
req                           false []
ireq                          false []
db_assert_sv                  false []
mpred_modify                  false []
add                           false []
into_mpred_form               false []
parser                        false []
autoload                      false []
codewalk(trace)               false []
codewalk                      false []
make                          false []