D723: templates: introduce a obsfateoperation() function

[quark (Jun Wu)]

quark added a comment.


  +1 for changing the words. I think it should be just "split as ...." or "amend as ...." etc without the word "rewritten". People want the "rewritten" word could customize their own templates.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D723

To: martinvonz, #hg-reviewers, quark
Cc: lothiraldan, quark, mercurial-devel