[commit: ghc] master: Add comments about pretty-printing via IfaceSyn (4b79329)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/4b79329f24dfdf907f223ff9fc41c77d9df86e04/ghc

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commit 4b79329f24dfdf907f223ff9fc41c77d9df86e04
Author: Simon Peyton Jones <simonpj at microsoft.com>
Date:   Fri Aug 24 10:29:58 2018 +0100

    Add comments about pretty-printing via IfaceSyn
    
    Provoked by discussion on Phab:D5097 (Trac #15546), I'm adding
    a big Note explaing the strategy of pretty-printing via IfaceSyn


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4b79329f24dfdf907f223ff9fc41c77d9df86e04
 compiler/iface/IfaceSyn.hs  |  1 +
 compiler/iface/IfaceType.hs | 28 ++-------------
 compiler/main/PprTyThing.hs | 87 ++++++++++++++++++++++++++++++---------------
 compiler/types/TyCoRep.hs   |  6 +++-
 4 files changed, 67 insertions(+), 55 deletions(-)

Diff suppressed because of size. To see it, use:

    git diff-tree --root --patch-with-stat --no-color --find-copies-harder --ignore-space-at-eol --cc 4b79329f24dfdf907f223ff9fc41c77d9df86e04