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-rw-r--r--src/GF/Grammar/PatternMatch.hs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/GF/Grammar/PatternMatch.hs b/src/GF/Grammar/PatternMatch.hs
index e576dc12e..ba3139506 100644
--- a/src/GF/Grammar/PatternMatch.hs
+++ b/src/GF/Grammar/PatternMatch.hs
@@ -26,6 +26,7 @@ import GF.Grammar.PrGrammar
import Data.List
import Control.Monad
+import Debug.Trace
matchPattern :: [(Patt,Term)] -> Term -> Err (Term, Substitution)
matchPattern pts term =