Log Message:
-----------
Add a reference to the documentation on alternate index operator classes in
the locale docs. Patch from Chris KL, editorialization by Neil Conway.
Modified Files:
--------------
pgsql/doc/src/sgml:
charset.sgml (r2.70 -> r2.71)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/charset.sgml.diff?r1=2.70&r2=2.71)