D1615: transaction: build changes['revs'] as range instead of a set

[quark (Jun Wu)]

quark accepted this revision.
quark added a comment.


  Very nice!

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D1615

To: joerg.sonnenberger, #hg-reviewers, quark
Cc: quark, mercurial-devel