Log Message:-----------Check and document minimum required version of libxml.
Modified Files:-------------- pgsql: configure (r1.528 -> r1.529) (http://developer.postgresql.org/cvsweb.cgi/pgsql/configure.diff?r1=1.528&r2=1.529) configure.in (r1.495 -> r1.496) (http://developer.postgresql.org/cvsweb.cgi/pgsql/configure.in.diff?r1=1.495&r2=1.496) pgsql/doc/src/sgml: installation.sgml (r1.270 -> r1.271) (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/installation.sgml.diff?r1=1.270&r2=1.271)