D3901: histedit: add history-editing-backup config option

[pulkit (Pulkit Goyal)]

pulkit added a comment.


  In https://phab.mercurial-scm.org/D3901#61681, @khanchi97 wrote:
  
  > > And, should we drop the --no-backup option?
  >
  > IIUC,
  >  dropped -> user won't be able to use that option
  >  deprecated -> can use, but this is not preferred option to use
  >  Am I right above?
  
  
  Yes, you are right above.
  
  > If yes, why not deprecate then?
  
  Because this option has not been part of a release yet. There is no point of releasing a deprecated feature.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D3901

To: khanchi97, durin42, #hg-reviewers
Cc: pulkit, yuja, mercurial-devel