Debian 包 at 的 Copyright 里有那么一段话:"This may be considered the experimental upstream source, and since there doesn't seem to be any other upstream source, the only upstream source." 它没有说明上游 在哪里，而是指明上游的源是 experimental. 不知其他发行版用的什么源？ 有没有更好的 at 呢？
-- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: http://lists.debian.org/[email protected]
