Re: [Trisquel-users] How to remove JPEG, MPEG, GIF, DOC and other unwanted patented software?

[stas . mihaylenko]

All patents expired?
"Although the "baseline" variety of JPEG is believed patent-free, there are  
many patents associated with some optional features of JPEG, namely  
arithmetic coding and hierarchical storage. For this reason, these optional  
features are never used on the Web."