diff options
Diffstat (limited to 'src/3rdparty/libpng/libpng-manual.txt')
-rw-r--r-- | src/3rdparty/libpng/libpng-manual.txt | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/src/3rdparty/libpng/libpng-manual.txt b/src/3rdparty/libpng/libpng-manual.txt index f4e151f0c23..6c07e1022b6 100644 --- a/src/3rdparty/libpng/libpng-manual.txt +++ b/src/3rdparty/libpng/libpng-manual.txt @@ -9,7 +9,7 @@ libpng-manual.txt - A description on how to use and modify libpng Based on: - libpng version 1.6.36, December 2018, through 1.6.49 - June 2025 + libpng version 1.6.36, December 2018, through 1.6.50 - July 2025 Updated and distributed by Cosmin Truta Copyright (c) 2018-2025 Cosmin Truta @@ -65,18 +65,22 @@ 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. -The PNG specification (second edition), November 2003, is available as +The PNG specification (Third Edition), June 2025, is available as +a W3C Recommendation at +<https://www.w3.org/TR/2025/REC-png-3-20250624/>. + +The PNG specification (Second Edition), November 2003, is available as a W3C Recommendation and as an ISO Standard (ISO/IEC 15948:2004 (E)) at <https://www.w3.org/TR/2003/REC-PNG-20031110/>. The W3C and ISO documents have identical technical content. The PNG-1.2 specification is available at -<https://png-mng.sourceforge.io/pub/png/spec/1.2/>. -It is technically equivalent -to the PNG specification (second edition) but has some additional material. +<https://www.libpng.org/pub/png/spec/1.2/>. +It is technically equivalent to the PNG specification (Second Edition) +but has some additional material. The PNG-1.0 specification is available as RFC 2083 at -<https://png-mng.sourceforge.io/pub/png/spec/1.0/> and as a +<https://www.libpng.org/pub/png/spec/1.0/> and as a W3C Recommendation at <https://www.w3.org/TR/REC-png-961001>. Some additional chunks are described in the special-purpose public chunks |