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-rw-r--r--src/GF/Canon/CMacros.hs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/GF/Canon/CMacros.hs b/src/GF/Canon/CMacros.hs
index a5a079b4e..647cf9600 100644
--- a/src/GF/Canon/CMacros.hs
+++ b/src/GF/Canon/CMacros.hs
@@ -88,6 +88,7 @@ patt2term p = case p of
anyTerm :: Term
anyTerm = LI (A.identC "_") --- should not happen
+matchPatt cs0 (FV ts) = liftM FV $ mapM (matchPatt cs0) ts
matchPatt cs0 trm = term2patt trm >>= match cs0 where
match cs t =
case cs of