Remove pre-7.4 documentaiton mentions, now that 8.0 is the oldest

Bruce Momjian <bruce@momjian.us>

Commit: 7bfd95a4a2d2016e213461401718ba7cd813ed50
Author: Bruce Momjian <bruce@momjian.us>
Date: 2010-02-24T03:33:49Z
Releases: 9.0.0
Remove pre-7.4 documentaiton mentions, now that 8.0 is the oldest
supported release.

Files

PathChange+/−
doc/src/sgml/datatype.sgml modified +5 −19
doc/src/sgml/ddl.sgml modified +7 −22
doc/src/sgml/libpq.sgml modified +1 −9
doc/src/sgml/protocol.sgml modified +3 −3
doc/src/sgml/rules.sgml modified +1 −4
doc/src/sgml/xindex.sgml modified +1 −11