Log Message:
-----------
Wording improvement (may -> can)
Modified Files:
--------------
pgsql/doc/src/sgml:
datatype.sgml (r1.157 -> r1.158)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/datatype.sgml.diff?r1=1.157&r2=1.158)
libpq.sgml (r1.180 -> r1.181)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/libpq.sgml.diff?r1=1.180&r2=1.181)
---------------------------(end of broadcast)---------------------------
TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
