Log Message:
-----------
Fix list of environment variables for configure. Remove some variables
that are almost never used. Put documentation-related variables into the
documentation chapter.
Modified Files:
--------------
pgsql/doc/src/sgml:
docguide.sgml (r1.57 -> r1.58)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/docguide.sgml.diff?r1=1.57&r2=1.58)
installation.sgml (r1.264 -> r1.265)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/installation.sgml.diff?r1=1.264&r2=1.265)