Add a todo note about overloadable assertions.

p4raw-id: //depot/perl@7170

diff --git a/Todo-5.6 b/Todo-5.6
index dfcae2b..8dcb9be 100644 (file)
--- a/Todo-5.6
+++ b/Todo-5.6
@@ -16,6 +16,9 @@ Unicode support
        to work similarly to Unicode tech reports and Java
        notation \uXXXX (and already existing \x{XXXX))?
        more than four hexdigits? make also \U+XXXX work?
+    overloadable regex assertions? e.g. in Thai \b cannot
+        be deduced by any simple character class boundary rules,
+        word boundaries must algorithmically computed
 
     see ext/Encode/Todo for notes and references about proper detection
     of malformed UTF-8