[cairo] Sub-pixel Font Filtering in 1.10

[Carl Worth]

>  1. It makes it harder for distributions to disable sub-pixel rendering --- a 
> patented technology.

This can't be the basis of any patch rejection on the cairo mailing
list.

Any discussion along these lines would have to start from the basis of a
legal opinion, and we're certainly not going to see anyone providing
legal opinions on a public mailing list like cairo at cairographics.org.

So the above is a non-issue. (But doesn't obviate other reasons for
rejecting the patch---such as adding options with ill-defined
semantics.)

-Carl
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