"*DEBUG-CONDITION*"
"*DEBUG-READTABLE*" "*DEBUG-HELP-STRING*"
"*FLUSH-DEBUG-ERRORS*" "*IN-THE-DEBUGGER*"
+ "*SHOW-ENTRY-POINT-DETAILS*"
"*TRACE-INDENTATION-STEP*" "*MAX-TRACE-INDENTATION*"
"*TRACE-FRAME*" "*TRACED-FUN-LIST*"
"ARG" "BACKTRACE" "BACKTRACE-AS-LIST" "INTERNAL-DEBUG" "VAR"