-<!-- $PostgreSQL: pgsql/doc/src/sgml/textsearch.sgml,v 1.53 2009/08/14 14:53:20 teodor Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/textsearch.sgml,v 1.54 2010/03/13 03:09:04 momjian Exp $ -->
<chapter id="textsearch">
<title id="textsearch-title">Full Text Search</title>
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>