Add "header" to GHC_COLORS
authorPhil Ruffwind <rf@rufflewind.com>
Mon, 22 May 2017 16:00:34 +0000 (12:00 -0400)
committerBen Gamari <ben@smart-cactus.org>
Mon, 22 May 2017 16:41:20 +0000 (12:41 -0400)
commit139ef04bdbd14b74dd6202295e11a37295442fc8
treefe4bcac54572dda10616fc9dfa9e6a0ce7c30cb1
parentdac49bdc79387ca9f91c7c5c9220699efb6239fb
Add "header" to GHC_COLORS

Add "header" to GHC_COLORS and allow colors to be inherited from the
surroundings.

Test Plan: validate

Reviewers: austin, bgamari

Reviewed By: bgamari

Subscribers: rwbarton, thomie

GHC Trac Issues: #13718

Differential Revision: https://phabricator.haskell.org/D3599
compiler/main/ErrUtils.hs
compiler/utils/Outputable.hs
compiler/utils/PprColour.hs
docs/users_guide/using.rst