[PATCH] render: Avoid infinite loops in alpha map handling (#23581)

[Keith Packard]

On Tue, 11 May 2010 11:30:06 -0400, Adam Jackson <ajax at redhat.com> wrote:

> If setting alpha map to a picture that already has one, use that
> instead. (Transitively, although that should never happen.)  If setting
> alpha map picture to the picture itself, act as though None were
> given.

I think this needs to be done dynamically while rendering in case you
change one of the intermediate links in the list.

I'm also pretty sure we're spending too much time on a misfeature...

-- 
keith.packard at intel.com
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