Libpng 1.5.3beta03 - April 3, 2011 This is not intended to be a public release. It will be replaced within a few weeks by a public version or by another test version. Files available for download: Source files with LF line endings (for Unix/Linux) and with a "configure" script 1.5.3beta03.tar.xz (LZMA-compressed, recommended) 1.5.3beta03.tar.gz 1.5.3beta03.tar.bz2 Source files with CRLF line endings (for Windows), without the "configure" script lp153b03.7z (LZMA-compressed, recommended) lp153b03.zip Other information: 1.5.3beta03-README.txt 1.5.3beta03-LICENSE.txt Changes since the last public release (1.5.2): Version 1.5.3beta01 [April 1, 2011] Re-initialize the zlib compressor before compressing non-IDAT chunks. Added API functions to set parameters for zlib compression of non-IDAT chunks. Version 1.5.3beta02 [April 3, 2011] Updated scripts/symbols.def with new API functions. Only compile the new zlib re-initializing code when text or iCCP is supported, using PNG_WRITE_COMPRESSED_TEXT_SUPPORTED macro. Improved the optimization of the zlib CMF byte (see libpng-1.2.6beta03). Optimize the zlib CMF byte in non-IDAT compressed chunks Version 1.5.3beta03 [April 3, 2011] Send comments/corrections/commendations to png-mng-implement at lists.sf.net: (subscription required; visit https://lists.sourceforge.net/lists/listinfo/png-mng-implement to subscribe) or to glennrp at users.sourceforge.net Glenn R-P