Log Message:
-----------
Document how to identify an invalid index after a failed CREATE INDEX
CONCURRENTLY.
Gregory Stark
Modified Files:
--------------
pgsql/doc/src/sgml/ref:
create_index.sgml (r1.60 -> r1.61)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/create_index.sgml.diff?r1=1.60&r2=1.61)