Libpng 1.2.28 - April 30, 2008 This is a public release of libpng, intended for use in production codes. Files available for download: Source files with LF line endings (for Unix/Linux) and with a "configure" script libpng-1.2.28.tar.gz libpng-1.2.28.tar.lzma (Get the lzma codec from ). libpng-1.2.28.tar.bz2 Source files with LF line endings (for Unix/Linux) without the "configure" script libpng-1.2.28-no-config.tar.gz libpng-1.2.28-no-config.tar.lzma libpng-1.2.28-no-config.tar.bz2 Source files with CRLF line endings (for Windows), without the "configure" script lpng1228.zip lpng1228.7z lpng1228.tar.bz2 Project files libpng-1.2.28-project-netware.zip libpng-1.2.28-project-wince.zip Other information: libpng-1.2.28-README.txt libpng-1.2.28-KNOWNBUGS.txt libpng-1.2.28-LICENSE.txt libpng-1.2.28-Y2K-compliance.txt libpng-1.2.28-[previous version]-diff.txt Changes since the last public release (1.2.26): version 1.2.28 [April 30, 2008] Fixed bug (introduced in libpng-1.0.6) with handling zero-length unknown chunks. Added more information about png_set_keep_unknown_chunks() to the documetation. Revised documentation about unknown chunk and user chunk handling. Issue a png_warning when reading a tRNS chunk with out-of-range samples. Added check for NULL ptr in TURBOC version of png_free_default(). Removed several unnecessary checks for NULL before calling png_free(). Revised png_set_tRNS() so that calling it twice removes and invalidates the previous call. Revised pngtest to check for out-of-range tRNS samples. Added AC_LIBTOOL_WIN32_DLL to configure.ac Added MAINTEINERCLEANFILES variable to Makefile.am Avoid changing color_type from GRAY to RGB by png_set_expand_gray_1_2_4_to_8(). Fix broken URL for rfc2083 in png.5 and libpng-*.txt Removed a stray object file from contrib/gregbook 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