pgsql: Add: > > * Fix inconsistent precedence of =, >, and < compared

Log Message:
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Add:

* Fix inconsistent precedence of =, >, and < compared to <>, >=, and <=

http://archives.postgresql.org/pgsql-bugs/2007-12/msg00145.php

Modified Files:
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pgsql/doc:
TODO (r1.2351 -> r1.2352)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/TODO?r1=1.2351&amp;r2=1.2352)
pgsql/doc/src/FAQ:
TODO.html (r1.859 -> r1.860)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/TODO.html?r1=1.859&amp;r2=1.860)