Emphasize the letters of the acronym PSA

Author: lizmat

S01-overview.pod

@@ -79,9 +79,9 @@ Larry's First Law of Language Redesign: Everyone wants the colon.
 
 =item *
 
-RFCs are rated on "PSA": whether they point out a real Problem,
-whether they present a viable Solution, and whether that solution is
-likely to be Accepted as part of Perl 6.
+RFCs are rated on "PSA": whether they point out a real B<P>roblem,
+whether they present a viable B<S>olution, and whether that solution is
+likely to be B<A>ccepted as part of Perl 6.
 
 =item *