--- a/man/cl.texi	Mon Aug 13 09:53:23 2007 +0200
+++ b/man/cl.texi	Mon Aug 13 09:54:23 2007 +0200
@@ -815,7 +815,10 @@
 
 @item
 The type symbols @code{character} and @code{string-char} match
-integers in the range from 0 to 255.
+characters.  In Emacs-19 and XEmacs-19, characters are the same thing as
+integers in the range 0-255.  In XEmacs-20, where characters are a
+first-class data type, this checks for actual characters, and
++@code{(typep 8bit-integer 'character)} will return @code{nil}.
 
 @item
 The type symbol @code{float} uses the @code{floatp-safe} predicate