D6356: mdiff: prepare mdiff to be used for run-tests to replace unidiff

[martinvonz (Martin von Zweigbergk)]

martinvonz added a comment.


  > The future changes to run-tests.py will enable one to use mdiif
  >  to diff rather than unidiff whenever the mercurial is installed in the system.
  
  Perhaps a naive question, but why is that desirable? How will I (as someone running tests) notice?

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D6356

To: sangeet259, #hg-reviewers
Cc: martinvonz, mercurial-devel