D6168: readline: provide styled prompt to readline (issue6070)

[durin42 (Augie Fackler)]

durin42 added a comment.


  This is Kyle's patch from https://bz.mercurial-scm.org/show_bug.cgi?id=6070 - it feels regrettable but necessary, and anecdotally it seems to work.  I'd give it an LGTM stamp here, but I can't since I uploaded it.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D6168

To: durin42, #hg-reviewers
Cc: mercurial-devel