Log Message:
-----------
Support include directives in postgresql.conf.
Patch by Joachim Wieland, somewhat reworked for clarity and portability.
Modified Files:
--------------
pgsql/doc/src/sgml:
config.sgml (r1.48 -> r1.49)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/config.sgml.diff?r1=1.48&r2=1.49)
pgsql/src/backend/utils/misc:
guc-file.l (r1.34 -> r1.35)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/misc/guc-file.l.diff?r1=1.34&r2=1.35)