-.TH PNG 5 "July 8, 2002"
+.TH PNG 5 "December 18, 2008"
.SH NAME
png \- Portable Network Graphics (PNG) format
.SH DESCRIPTION
platforms.
.SH "SEE ALSO"
-.IR libpng(3), zlib(3), deflate(5), and zlib(5)
+.IR libpng(3) ", " zlib(3) ", " deflate(5) ", and " zlib(5)
.LP
+PNG specification (second edition), November 2003:
+.IP
+.br
+ <http://www.w3.org/TR/2003/REC-PNG-20031110/
PNG 1.2 specification, July 1999:
.IP
.br
http://www.libpng.org/pub/png
-.br
-or ftp://ftp.uu.net/graphics/png/documents
.LP
PNG 1.0 specification, October 1996:
.IP
RFC 2083
.IP
.br
-ftp://ds.internic.net/rfc/rfc2083.txt
+ftp://ftp.rfc-editor.org:/in-notes/rfc2083.txt
.br
or (as a W3C Recommendation) at
.br
.SH AUTHORS
This man page: Glenn Randers-Pehrson
.LP
+Portable Network Graphics (PNG) Specification (Second Edition)
+Information technology - Computer graphics and image processing -
+Portable Network Graphics (PNG): Functional specification.
+ISO/IEC 15948:2003 (E) (November 10, 2003): David Duce and others.
+.LP
Portable Network Graphics (PNG) Specification Version 1.2 (July 8, 1999):
-Glenn Randers-Pehrson and others (png-list@ccrc.wustl.edu).
+Glenn Randers-Pehrson and others (png-list).
.LP
Portable Network Graphics (PNG) Specification Version 1.0 (October 1, 1996):
-Thomas Boutell and others (png-list@ccrc.wustl.edu).
+Thomas Boutell and others (png-list).
.LP
.SH COPYRIGHT NOTICE
+.LP
+This man page is Copyright (c) 1998-2006 Glenn Randers-Pehrson. See png.h
+for conditions of use and distribution.
+.LP
+The PNG Specification (Second Edition) is
+Copyright (c) 2003 W3C. (MIT, ERCIM, Keio), All Rights Reserved.
+.LP
The PNG-1.2 specification is copyright (c) 1999 Glenn Randers-Pehrson.
See the specification for conditions of use and distribution.
.LP