Mention that the case-switchers know about Unicode, too.

p4raw-id: //depot/perl@14771

diff --git a/pod/perlop.pod b/pod/perlop.pod
index 1b5d3e7..73564ef 100644 (file)
--- a/pod/perlop.pod
+++ b/pod/perlop.pod
@@ -709,7 +709,7 @@ and in transliterations.
     \x1b       hex char        (ESC)
     \x{263a}   wide hex char   (SMILEY)
     \c[                control char    (ESC)
-    \N{name}   named char
+    \N{name}   named Unicode character
 
 The following escape sequences are available in constructs that interpolate
 but not in transliterations.
@@ -721,9 +721,12 @@ but not in transliterations.
     \E         end case modification
     \Q         quote non-word characters till \E
 
-If C<use locale> is in effect, the case map used by C<\l>, C<\L>, C<\u>
-and C<\U> is taken from the current locale.  See L<perllocale>.  For
-documentation of C<\N{name}>, see L<charnames>.
+If C<use locale> is in effect, the case map used by C<\l>, C<\L>,
+C<\u> and C<\U> is taken from the current locale.  See L<perllocale>.
+If Unicode (for example, C<\N{}> or wide hex characters of 0x100 or
+beyond) is being used, the case map used by C<\l>, C<\L>, C<\u> and
+C<\U> is as defined by Unicode.  For documentation of C<\N{name}>,
+see L<charnames>.
 
 All systems use the virtual C<"\n"> to represent a line terminator,
 called a "newline".  There is no such thing as an unvarying, physical