* Some work on conditions emitted by the system
** eliminated COMPILER-WARN and COMPILER-STYLE-WARN, which
were simply limited versions of WARN and STYLE-WARN.
+ ** made STYLE-WARN parallel WARN more closely (by accepting
+ a condition type, which should be a subtype of
+ STYLE-WARNING, and initargs, as well as a format
+ string and format arguments for SIMPLE-STYLE-WARNING.
+ (WARN can also be used to signal STYLE-WARNINGs, but
+ STYLE-WARN helps to document the code)
** eliminated use of INHIBIT-WARNINGS by code emitted by the
system from user code.
** caused use of INHIBIT-WARNINGS to signal a STYLE-WARNING.