Index: doc/src/sgml/func.sgml
===================================================================
RCS file: /cvsroot/pgsql/doc/src/sgml/func.sgml,v
retrieving revision 1.420
diff -c -c -r1.420 func.sgml
*** doc/src/sgml/func.sgml	26 Feb 2008 15:32:30 -0000	1.420
--- doc/src/sgml/func.sgml	3 Mar 2008 17:07:22 -0000
***************
*** 1340,1346 ****
          Character with the given code. For <acronym>UTF8</acronym> the
          argument is treated as a Unicode code point. For other multibyte
          encodings the argument must designate a strictly
!         <acronym>ASCII</acronym> character.
         </entry>
         <entry><literal>chr(65)</literal></entry>
         <entry><literal>A</literal></entry>
--- 1340,1347 ----
          Character with the given code. For <acronym>UTF8</acronym> the
          argument is treated as a Unicode code point. For other multibyte
          encodings the argument must designate a strictly
!         <acronym>ASCII</acronym> character.  The NULL (0) character is not
!         allowed because text data types cannot reliably store such bytes.
         </entry>
         <entry><literal>chr(65)</literal></entry>
         <entry><literal>A</literal></entry>
