Spec $?PERL/$*PERL and the Perl class

S28-special-names.pod

@@ -294,6 +294,27 @@ The name of the compilation stage to produce pre-compiled module files
 
 =back
 
+=head3 $?PERL / $*PERL
+
+Contains a C<Perl> class instance that does C<Systemic>.  It further
+provides the following methods:
+
+=over
+
+=item release
+
+The release information of this version of Perl.
+
+=item build-date
+
+The C<Date> this version of Perl was built.
+
+=item codename
+
+The codename of this version of Perl.
+
+=back
+
 =head2 NOT YET DEFINED
 
 The following items are not yet defined, but will need to be defined.