[commit: haddock] 2.17.3.1-spanfix, alexbiehl-patch-1, ghc-8.0, ghc-8.0-facebook, ghc-head, ghc-head1, haddock-quick, headdock-library-1.4.5, ie_avails, issue-303, issue-475, master, pr-filter-maps, pr/cabal-desc, travis, v2.16, v2.17, v2.17.3, v2.18, wip-located-module-as, wip/D2418, wip/T11080-open-data-kinds, wip/T11258, wip/T11430, wip/T12105, wip/T12105-2, wip/T12942, wip/T13163, wip/T3384, wip/embelleshed-rdr, wip/new-tree-one-param, wip/rae, wip/remove-frames, wip/remove-frames1, wip/revert-ttg-2017-11-20, wip/ttg-2017-10-13, wip/ttg-2017-10-31, wip/ttg-2017-11-06, wip/ttg2-2017-11-10, wip/ttg3-2017-11-12, wip/ttg4-constraints-2017-11-13: Apply promoted type quoting to type-level consing. (33fe628)

[git at git.haskell.org]

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

On branches: 2.17.3.1-spanfix,alexbiehl-patch-1,ghc-8.0,ghc-8.0-facebook,ghc-head,ghc-head1,haddock-quick,headdock-library-1.4.5,ie_avails,issue-303,issue-475,master,pr-filter-maps,pr/cabal-desc,travis,v2.16,v2.17,v2.17.3,v2.18,wip-located-module-as,wip/D2418,wip/T11080-open-data-kinds,wip/T11258,wip/T11430,wip/T12105,wip/T12105-2,wip/T12942,wip/T13163,wip/T3384,wip/embelleshed-rdr,wip/new-tree-one-param,wip/rae,wip/remove-frames,wip/remove-frames1,wip/revert-ttg-2017-11-20,wip/ttg-2017-10-13,wip/ttg-2017-10-31,wip/ttg-2017-11-06,wip/ttg2-2017-11-10,wip/ttg3-2017-11-12,wip/ttg4-constraints-2017-11-13
Link       : http://git.haskell.org/haddock.git/commitdiff/33fe6286907592b1783a4b9b7c4b7f63ae080cde

>---------------------------------------------------------------

commit 33fe6286907592b1783a4b9b7c4b7f63ae080cde
Author: Łukasz Hanuszczak <lukasz.hanuszczak at gmail.com>
Date:   Thu Aug 6 21:12:00 2015 +0200

    Apply promoted type quoting to type-level consing.


>---------------------------------------------------------------

33fe6286907592b1783a4b9b7c4b7f63ae080cde
 haddock-api/src/Haddock/Backends/Xhtml/Decl.hs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs b/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs
index d3900f1..5f6f60e 100644
--- a/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs
+++ b/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs
@@ -892,7 +892,12 @@ ppr_mono_ty ctxt_prec (HsOpTy ty1 (_, op) ty2) unicode qual
   = maybeParen ctxt_prec pREC_FUN $
     ppr_mono_lty pREC_OP ty1 unicode qual <+> ppr_op <+> ppr_mono_lty pREC_OP ty2 unicode qual
   where
-    ppr_op = ppLDocName qual Infix op
+    -- `(:)` is valid in type signature only as constructor to promoted list
+    -- and needs to be quoted in code so we explicitly quote it here too.
+    ppr_op
+        | (getOccString . getName . unLoc) op == ":" = promoQuote ppr_op'
+        | otherwise = ppr_op'
+    ppr_op' = ppLDocName qual Infix op
 
 ppr_mono_ty ctxt_prec (HsParTy ty) unicode qual
 --  = parens (ppr_mono_lty pREC_TOP ty)