Log Message:
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Add documentation about configure environment variabbles used.
David Wheeler
Modified Files:
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pgsql/doc/src/sgml:
installation.sgml (r1.253 -> r1.254)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/installation.sgml.diff?r1=1.253&r2=1.254)