D541: effectflag: detect when diff changed

[lothiraldan (Boris Feld)]

lothiraldan added a comment.


  Thank you for the explanation, I might have deleted the "Differential Revision" line while changing the changeset message, I will be more careful the next time.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D541

To: durin42, #hg-reviewers, lothiraldan
Cc: quark, martinvonz, mercurial-devel