Martin von Zweigbergk <martinvonz@google.com> [Wed, 16 Dec 2020 21:06:29 -0800] rev 46133
extdiff: add --from/--to and deprecate -r, as was done for `hg diff`
I recently replaced `hg diff`'s `-r` flag by `--from` and `--to` and
then deprecated the `-r` flag. This patch repeats that for
`hg extdiff`.
Differential Revision: https://phab.mercurial-scm.org/D9624