"*FLUSH-DEBUG-ERRORS*" "*IN-THE-DEBUGGER*"
"*TRACE-INDENTATION-STEP*" "*MAX-TRACE-INDENTATION*"
"*TRACE-FRAME*" "*TRACED-FUN-LIST*"
- "ARG" "BACKTRACE" "INTERNAL-DEBUG" "VAR"
+ "ARG" "BACKTRACE" "BACKTRACE-AS-LIST" "INTERNAL-DEBUG" "VAR"
"*PRINT-LOCATION-KIND*"
"*ONLY-BLOCK-START-LOCATIONS*" "*STACK-TOP-HINT*"
"*TRACE-VALUES*" "DO-DEBUG-COMMAND"