Libpng 1.2.27rc01 - April 23, 2008 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 libpng-1.2.27rc01.tar.gz libpng-1.2.27rc01.tar.lzma (Get the lzma codec from ). libpng-1.2.27rc01.tar.bz2 Source files with LF line endings (for Unix/Linux) without the "configure" script libpng-1.2.27rc01-no-config.tar.gz libpng-1.2.27rc01-no-config.tar.lzma libpng-1.2.27rc01-no-config.tar.bz2 Source files with CRLF line endings (for Windows), without the "configure" script lp1227r01.zip lp1227r01.7z lp1227r01.tar.bz2 Project files libpng-1.2.27rc01-project-netware.zip libpng-1.2.27rc01-project-wince.zip Other information: libpng-1.2.27rc01-README.txt libpng-1.2.27rc01-KNOWNBUGS.txt libpng-1.2.27rc01-LICENSE.txt libpng-1.2.27rc01-Y2K-compliance.txt libpng-1.2.27rc01-[previous version]-diff.txt Changes since the last public release (1.2.26): version 1.2.27beta01 [April 12, 2008] Fixed bug (introduced in libpng-1.0.5h) with handling zero-length unknown chunks. Added more information about png_set_keep_unknown_chunks() to the documetation. Reject tRNS chunk with out-of-range samples instead of masking off the invalid high bits as done in since libpng-1.2.19beta5. version 1.2.27beta02 [April 13, 2008] Revised documentation about unknown chunk and user chunk handling. Keep tRNS chunk with out-of-range samples and issue a png_warning(). version 1.2.27beta03 [April 14, 2008] 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. version 1.2.27beta04 [April 18, 2008] Added AC_LIBTOOL_WIN32_DLL to configure.ac Rebuilt Makefile.in, aclocal.m4, and configure with autoconf-2.62 version 1.2.27beta05 [April 19, 2008] Added MAINTEINERCLEANFILES variable to Makefile.am version 1.2.27beta06 [April 21, 2008] Avoid changing color_type from GRAY to RGB by png_set_expand_gray_1_2_4_to_8(). version 1.2.27rc01 [April 23, 2008] Fix broken URL for rfc2083 in png.5 and libpng-*.txt 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