named "elseif" for the class returned by the following block. This is
unlikely to be what you want.
-=item END failed--cleanup aborted
+=item %s failed--call queue aborted
-(F) An untrapped exception was raised while executing an END subroutine.
-The interpreter is immediately exited.
+(F) An untrapped exception was raised while executing a STOP, INIT, or
+END subroutine. Processing of the remainder of the queue of such
+routines has been prematurely ended.
=item entering effective %s failed