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-rw-r--r--haddock-api/src/Haddock/Interface/Create.hs1
1 files changed, 1 insertions, 0 deletions
diff --git a/haddock-api/src/Haddock/Interface/Create.hs b/haddock-api/src/Haddock/Interface/Create.hs
index 26ac0281..98d4dbe8 100644
--- a/haddock-api/src/Haddock/Interface/Create.hs
+++ b/haddock-api/src/Haddock/Interface/Create.hs
@@ -842,6 +842,7 @@ fullModuleContents dflags warnings gre (docMap, argMap, subMap, declMap, instMap
expandSig :: Sig name -> [Sig name]
expandSig (TypeSig names t) = [ TypeSig [n] t | n <- names ]
expandSig (ClassOpSig b names t) = [ ClassOpSig b [n] t | n <- names ]
+ expandSig (PatSynSig names t) = [ PatSynSig [n] t | n <- names ]
expandSig x = [x]
mkExportItem :: LHsDecl Name -> ErrMsgGhc (Maybe (ExportItem Name))