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-rw-r--r--src/compiler/GF/Grammar/Binary.hs4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/compiler/GF/Grammar/Binary.hs b/src/compiler/GF/Grammar/Binary.hs
index 76c3796bc..5aed63363 100644
--- a/src/compiler/GF/Grammar/Binary.hs
+++ b/src/compiler/GF/Grammar/Binary.hs
@@ -37,6 +37,10 @@ instance Binary Ident where
then return identW
else return (identC (rawIdentC bs))
+instance Binary ModuleName where
+ put (MN id) = put id
+ get = fmap MN get
+
instance Binary Grammar where
put = put . modules
get = fmap mGrammar get