[6809] reference for PDF format

[Gavin D. Smith]

Revision: 6809
          http://svn.sv.gnu.org/viewvc/?view=rev&root=texinfo&revision=6809
Author:   gavin
Date:     2015-11-27 11:51:13 +0000 (Fri, 27 Nov 2015)
Log Message:
-----------
reference for PDF format

Modified Paths:
--------------
    trunk/ChangeLog
    trunk/README-hacking

Modified: trunk/ChangeLog
===================================================================
--- trunk/ChangeLog     2015-11-27 11:20:53 UTC (rev 6808)
+++ trunk/ChangeLog     2015-11-27 11:51:13 UTC (rev 6809)
@@ -1,5 +1,9 @@
 2015-11-27  Gavin Smith  <address@hidden>
 
+       * README-hacking: Refer to PDF reference.
+
+2015-11-27  Gavin Smith  <address@hidden>
+
        * doc/texinfo-tex-test.texi (PDF Link colours): New example.
 
 2015-11-27  Gavin Smith  <address@hidden>

Modified: trunk/README-hacking
===================================================================
--- trunk/README-hacking        2015-11-27 11:20:53 UTC (rev 6808)
+++ trunk/README-hacking        2015-11-27 11:51:13 UTC (rev 6809)
@@ -126,6 +126,9 @@
   TeX by Topic - http://www.eijkhout.net/texbytopic/texbytopic.html
 Another book on plain TeX, also available under the GFDL, is a GNU package:
   TeX for the Impatient - http://www.gnu.org/software/teximpatient/
+Occasionally you may need to know about the details of the PDF format.
+A reference for this is the PDF reference, Sixth Edition, version 1.7,  
+downloadable at http://www.adobe.com/devnet/pdf/pdf_reference_archive.html
 
 The texindex program is implemented using the TexiWebJR literate
 programming system, combining Texinfo and Awk