Gif resources

• http://www.w3.org/Graphics/GIF/spec-gif87.txt
• http://www.w3.org/Graphics/GIF/spec-gif89a.txt
• http://schmidt.devlib.org/file-formats/gif-image-file-format.html general info
• http://www.onicos.com/staff/iz/formats/gif.html structure
• http://www.unisys.com/about__unisys/lzw lzw patent is dead
• http://www.cis.udel.edu/%7Eamer/CISC651/lzw.and.gif.explained.html
• http://www.arturocampos.com/ac_lzw_gif.html
• http://web.archive.org/web/20021220130942/www.msg.net/utility/whirlgif/index.html whirlgif, compression without lzw.. and some other resources
• http://members.aol.com/royalef/gifabout.htm contains also some info on the netscape looping extension
• gst-ffmpeg-0.10.2/gst-libs/ext/ffmpeg/libavformat/gif.c by fabrice bellard, the qemu guy! there are also many useful links that i've moved here