Building PDF documentation

I have determined that the HTML documentation must be built before any
of the PDF makefile targets are valid, so I have applied the attached
documentation patch to mention this.

--
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + If your life is a hard drive, Christ can be your backup. +
Index: doc/src/sgml/docguide.sgml
===================================================================
RCS file: /cvsroot/pgsql/doc/src/sgml/docguide.sgml,v
retrieving revision 1.78
diff -c -c -r1.78 docguide.sgml
*** doc/src/sgml/docguide.sgml    9 Aug 2009 22:47:59 -0000    1.78
--- doc/src/sgml/docguide.sgml    22 Jan 2010 15:48:19 -0000
***************
*** 590,596 ****

     <para>
      If you want to use <application>JadeTex</application> to produce a
!     printable rendition of the documentation, you can use one of the
      following commands:

      <itemizedlist>
--- 590,597 ----

     <para>
      If you want to use <application>JadeTex</application> to produce a
!     printable rendition of the documentation, you must first build the
!     <acronym>HTML</acronym> output as outlined above, then you can use one of the
      following commands:

      <itemizedlist>