Log Message:
-----------
Remove caveat about avoiding cross-type operators in constraints intended
for use with constraint exclusion. We can prove those cases now...
Modified Files:
--------------
pgsql/doc/src/sgml:
ddl.sgml (r1.69 -> r1.70)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ddl.sgml.diff?r1=1.69&r2=1.70)