Log Message:
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Add file to explain SGML linking options, for use by SGML document
writers.
Added Files:
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pgsql/doc/src/sgml:
README.links (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/README.links?rev=1.1&content-type=text/x-cvsweb-markup)