Log Message:
-----------
Add index entries for all GUC configuration parameters.
Modified Files:
--------------
pgsql/doc/src/sgml:
runtime.sgml (r1.292 -> r1.293)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/runtime.sgml.diff?r1=1.292&r2=1.293)