D2943: grep: fixes errorneous output of grep in forward order

[sangeet259 (Sangeet Kumar Mishra)]

sangeet259 added a comment.


  Since it required some explanation I have written a post on it.
  http://sangeetmishra.me/2018/03/26/demonstrating-the-problem-with-forward-ordered-grep-all-in-mercurial.html

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D2943

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Cc: mercurial-devel