Log Message:
-----------
Unbreak the SGML doc build: ":=" is needed to assign to variables if
the RHS of the assignment expands to a reference to the LHS.
Modified Files:
--------------
pgsql/doc/src/sgml:
Makefile (r1.95 -> r1.96)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/Makefile.diff?r1=1.95&r2=1.96)