-;;; COERCE-TO-CONDITION is used in SIGNAL, ERROR, CERROR, WARN, and
-;;; INVOKE-DEBUGGER for parsing the hairy argument conventions into a
-;;; single argument that's directly usable by all the other routines.
+;;; a utility for SIGNAL, ERROR, CERROR, WARN, and INVOKE-DEBUGGER:
+;;; Parse the hairy argument conventions into a single argument that's
+;;; directly usable by all the other routines.