Log Message:
-----------
Mark some intermediate targets as .PRECIOUS, to replace the recently removed
.SECONDARY target. This makes experimentation with the PDF builds easier.
Modified Files:
--------------
pgsql/doc/src/sgml:
Makefile (r1.96 -> r1.97)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/Makefile.diff?r1=1.96&r2=1.97)