pgsql: Change wording: < The agreed syntax is: > The proposed

Log Message:
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Change wording:

< The agreed syntax is:

The proposed syntax is:

Modified Files:
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pgsql/doc:
TODO (r1.1447 -> r1.1448)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/TODO.diff?r1=1.1447&amp;r2=1.1448)