=head1 INHERITANCE
Benchmark inherits from no other class, except of course
-for Exporter.
+from Exporter.
=head1 CAVEATS
clearcache clearallcache disablecache enablecache);
%EXPORT_TAGS=( all => [ @EXPORT, @EXPORT_OK ] ) ;
-$VERSION = 1.18;
+$VERSION = 1.20;
# --- ':hireswallclock' special handling