Log Message:
-----------
Properly lowercase identifiers, uppercase keywords, in doc examples
Modified Files:
--------------
pgsql/doc/src/sgml:
syntax.sgml (r1.150 -> r1.151)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/syntax.sgml?r1=1.150&r2=1.151)