Index: doc/src/sgml/textsearch.sgml
===================================================================
RCS file: /cvsroot/pgsql/doc/src/sgml/textsearch.sgml,v
retrieving revision 1.53
diff -c -c -r1.53 textsearch.sgml
*** doc/src/sgml/textsearch.sgml	14 Aug 2009 14:53:20 -0000	1.53
--- doc/src/sgml/textsearch.sgml	13 Mar 2010 03:03:24 -0000
***************
*** 1943,1948 ****
--- 1943,1955 ----
      languages, token types <literal>word</> and <literal>asciiword</>
      should be treated alike.
     </para>
+ 
+    <para>
+     <literal>email</> does not support all valid email characters as
+     defined by RFC 5322.  Specifically, the only non-alphanumeric
+     characters supported for email user names are period, dash, and
+     underscore.
+    </para>
    </note>
  
    <para>