diff options
| -rw-r--r-- | haddock-api/src/Haddock/Backends/Xhtml/Decl.hs | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs b/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs index d3900f16..5f6f60eb 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) |