Suggested Projects for Improving GNU `diff' and `patch'
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One should be able to use GNU `diff' to generate a patch from any
pair of directory trees, and given the patch and a copy of one such
tree, use `patch' to generate a faithful copy of the other.
Unfortunately, some changes to directory trees cannot be expressed using
current patch formats; also, `patch' does not handle some of the
existing formats. These shortcomings motivate the following suggested
projects.