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-rw-r--r--src/Haddock/Backends/LaTeX.hs3
-rw-r--r--src/Haddock/Backends/Xhtml/Decl.hs2
2 files changed, 3 insertions, 2 deletions
diff --git a/src/Haddock/Backends/LaTeX.hs b/src/Haddock/Backends/LaTeX.hs
index 6535b24e..44b3fc35 100644
--- a/src/Haddock/Backends/LaTeX.hs
+++ b/src/Haddock/Backends/LaTeX.hs
@@ -563,7 +563,8 @@ ppInstDecl unicode instHead = keyword "instance" <+> ppInstHead unicode instHead
ppInstHead :: Bool -> InstHead DocName -> LaTeX
ppInstHead unicode (n, ks, ts, ClassInst ctx) = ppContextNoLocs ctx unicode <+> ppAppNameTypes n ks ts unicode
ppInstHead unicode (n, ks, ts, TypeInst rhs) = keyword "type"
- <+> ppAppNameTypes n ks ts unicode <+> equals <+> ppType unicode rhs
+ <+> ppAppNameTypes n ks ts unicode
+ <+> maybe empty (\t -> equals <+> ppType unicode t) rhs
ppInstHead _unicode (_n, _ks, _ts, DataInst _dd) =
error "data instances not supported by --latex yet"
diff --git a/src/Haddock/Backends/Xhtml/Decl.hs b/src/Haddock/Backends/Xhtml/Decl.hs
index c0efa5d0..c1b9032e 100644
--- a/src/Haddock/Backends/Xhtml/Decl.hs
+++ b/src/Haddock/Backends/Xhtml/Decl.hs
@@ -488,7 +488,7 @@ ppInstances instances baseName unicode qual
<+> ppAppNameTypes n ks ts unicode qual
instHead (n, ks, ts, TypeInst rhs) = keyword "type"
<+> ppAppNameTypes n ks ts unicode qual
- <+> equals <+> ppType unicode qual rhs
+ <+> maybe noHtml (\t -> equals <+> ppType unicode qual t) rhs
instHead (n, ks, ts, DataInst dd) = keyword "data"
<+> ppAppNameTypes n ks ts unicode qual
<+> ppShortDataDecl False True dd unicode qual