pod/perlre.pod: (*COMMIT) should be grouped under "Verbs without an
argument".
as after matching the A but failing on the B the C<(*THEN)> verb will
backtrack and try C; but the C<(*PRUNE)> verb will simply fail.
+=back
+
+=item Verbs without an argument
+
+=over 4
+
=item C<(*COMMIT)>
X<(*COMMIT)>
does not match, the regex engine will not try any further matching on the
rest of the string.
-=back
-
-=item Verbs without an argument
-
-=over 4
-
=item C<(*FAIL)> C<(*F)>
X<(*FAIL)> X<(*F)>