Log Message:
-----------
Un-break custom_variable_classes kluge ... mea culpa.
Modified Files:
--------------
pgsql/src/backend/utils/misc:
guc-file.l (r1.26 -> r1.27)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/misc/guc-file.l.diff?r1=1.26&r2=1.27)