Log Message:
-----------
Clarify description of greedy and non-greedy POSIX regular expressions,
per discussion in Nov 2004 with Ken Tanzer.
Modified Files:
--------------
pgsql/doc/src/sgml:
func.sgml (r1.233 -> r1.234)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/func.sgml.diff?r1=1.233&r2=1.234)