handy.h: toUPPER is not a char class fcn

toUPPER() and toLOWER() were grouped with the character class functions
(in perlapi), to which they are related, but aren't the same.  Create a
new heading for these.

diff --git a/handy.h b/handy.h
index e091a9b..6f264b7 100644 (file)
--- a/handy.h
+++ b/handy.h
@@ -467,6 +467,8 @@ uppercase character.
 Returns a boolean indicating whether the C C<char> is a US-ASCII (Basic Latin)
 lowercase character.
 
+=head1 Character case changing
+
 =for apidoc Am|char|toUPPER|char ch
 Converts the specified character to uppercase.  Characters outside the
 US-ASCII (Basic Latin) range are viewed as not having any case.