Another doc suggestion from terry@eatoni.com (terry jones):

use codepoints that return undef.

p4raw-id: //depot/perl@19480

diff --git a/lib/Unicode/UCD.pm b/lib/Unicode/UCD.pm
index 3ca797e..dcb478a 100644 (file)
--- a/lib/Unicode/UCD.pm
+++ b/lib/Unicode/UCD.pm
@@ -522,7 +522,7 @@ sub compexcl {
 
     use Unicode::UCD 'casefold';
 
-    my $casefold = casefold("09dc");
+    my $casefold = casefold("00DF");
 
 The casefold() returns the locale-independent case folding of the
 character specified by a B<code point argument>.
@@ -595,7 +595,7 @@ sub casefold {
 
     use Unicode::UCD 'casespec';
 
-    my $casespec = casespec("09dc");
+    my $casespec = casespec("FB00");
 
 The casespec() returns the potentially locale-dependent case mapping
 of the character specified by a B<code point argument>.  The mapping
@@ -618,7 +618,7 @@ more I<locales> or I<contexts>, separated by spaces (other than as
 used to separate elements, spaces are to be ignored).  A condition
 list overrides the normal behavior if all of the listed conditions are
 true.  Case distinctions in the condition list are not significant.
-Conditions preceded by "NON_" represent the negation of the condition
+Conditions preceded by "NON_" represent the negation of the condition.
 
 Note that when there are multiple case folding definitions for a
 single code point because of different locales, the value returned by