Quick File Previewing
Provide a facility for quickly viewing different kinds of files. This would be used by Nautilus in the first instance, but could be extended to the file chooser and perhaps elsewhere too.
This feature would be provided by Sushi (see http://git.gnome.org/browse/sushi).
See: http://blogs.gnome.org/cosimoc/2011/04/29/sushi/ Sushi has had an initial release, and nautilus will use it at runtime when it is present. This should all work in the 3.1.3 release.
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