Merge remote branch 'origin/master'

Conflicts:
	doc/src/declarative/advtutorial1.qdoc

1 files changed, 41 insertions, 1 deletions

diff --git a/doc/src/legal/3rdparty.qdoc b/doc/src/legal/3rdparty.qdoc
index bb2effa..dec95d0 100644
--- a/doc/src/legal/3rdparty.qdoc
+++ b/doc/src/legal/3rdparty.qdoc
@@ -192,13 +192,53 @@
 
     See \c src/3rdparty/libmng/LICENSE for license details.
 
-    \section1 PNG Reference Library (\c libpng) version 1.2.29
+    \section1 PNG Reference Library (\c libpng) version 1.4.0
 
     \e{Libpng was written as a companion to the PNG specification, as a way
     of reducing the amount of time and effort it takes to support the PNG
     file format in application programs.} -- quoted from \c
     src/3rdparty/libpng/libpng.txt.
 
+    \hr
+
+    copyright (C) 1999 by Willem van Schaik <willem@schaik.com>
+    
+    version 1.0 - 1999.10.15 - First version.
+    
+    Permission to use, copy, modify, and distribute this software and
+    its documentation for any purpose and without fee is hereby granted,
+    provided that the above copyright notice appear in all copies and
+    that both that copyright notice and this permission notice appear in
+    supporting documentation. This software is provided "as is" without
+    express or implied warranty.
+    
+    \hr
+
+    Copyright (c) 1998-2001 Greg Roelofs.  All rights reserved.
+
+    This software is provided "as is," without warranty of any kind,
+    express or implied.  In no event shall the author or contributors
+    be held liable for any damages arising in any way from the use of
+    this software.
+
+    Permission is granted to anyone to use this software for any purpose,
+    including commercial applications, and to alter it and redistribute
+    it freely, subject to the following restrictions:
+
+    1. Redistributions of source code must retain the above copyright
+       notice, disclaimer, and this list of conditions.
+    2. Redistributions in binary form must reproduce the above copyright
+       notice, disclaimer, and this list of conditions in the documenta-
+       tion and/or other materials provided with the distribution.
+    3. All advertising materials mentioning features or use of this
+       software must display the following acknowledgment:
+
+          This product includes software developed by Greg Roelofs
+          and contributors for the book, "PNG: The Definitive Guide,"
+          published by O'Reilly and Associates.
+
+    \hr
+
     See \c src/3rdparty/libpng/LICENSE for license details.
 
     \section1 The ptmalloc memory allocator (\c ptmalloc3) version 1.8