Log Message:
-----------
Add missing conversion documentation for certain encodings.
Modified Files:
--------------
pgsql/doc/src/sgml:
charset.sgml (r2.52 -> r2.53)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/charset.sgml.diff?r1=2.52&r2=2.53)