Log Message:
-----------
Rework "aliases" column for encodings.
Modified Files:
--------------
pgsql/doc/src/sgml:
charset.sgml (r2.54 -> r2.55)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/charset.sgml.diff?r1=2.54&r2=2.55)
---------------------------(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
