diff: add --from and --to flags as clearer alternative to -r -r...
diff: add --from and --to flags as clearer alternative to -r -r
I think it was mistake to let the `-r` flag accept two revisions in
`hg diff` in
98633e60067c (Support for 0, 1, or 2 diff revs,
2005-05-07). The command clearly acts on two revisions and having a
single flag to indicate which those are is unclear. It got worse when
it started accepting revsets as input.
This patch introduces `--from` and `--to` flags, each taking a single
revision and each defaulting to the working copy. That means that `hg
