pgsql/ oc/src/sgml/func.sgml rc/backend/parser ...

CVSROOT:    /cvsroot
Module name:    pgsql
Changes by:    petere@postgresql.org    01/10/09 20:02:42

Modified files:
    doc/src/sgml   : func.sgml
    src/backend/parser: gram.y keywords.c
    src/backend/utils/adt: datetime.c

Log message:
    Remove gratuitous discrepancy between extract() and date_part(),
    regarding timezone_hour, timezone_minute vs. tz_hour, tz_minute.
    Document the former.