brewkit.rb changes ENV destructively, so lets not do that everytime a formula
is required. Now it's possible for other tools to require a formula
description without worrying about side-effects.
Theora is a free and open video compression format from the Xiph.org Foundation.
Like all our multimedia technology it can be used to distribute film and video
online and on disc without the licensing and royalty fees or vendor lock-in
associated with other formats.
Signed-off-by: Max Howell <max@methylblue.com>
I changed the name to theora as that is how Xiph refer to it.
