p4raw-id: //depot/perl@16388
UCS-2, UCS-4
Encodings defined by the ISO 10646 standard. UCS-2 is a 16-bit
-encoding, UCS-4 is a 32-bit encoding. Unlike UTF-16, UCS-2
-is not extensible beyond 0xFFFF, because it does not use surrogates.
+encoding. Unlike UTF-16, UCS-2 is not extensible beyond 0xFFFF,
+because it does not use surrogates. UCS-4 is a 32-bit encoding,
+functionally identical to UTF-32.
=item *