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-rw-r--r--src/runtime/haskell/PGF/Linearize.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/runtime/haskell/PGF/Linearize.hs b/src/runtime/haskell/PGF/Linearize.hs
index fdd4cecb5..80d1f1acf 100644
--- a/src/runtime/haskell/PGF/Linearize.hs
+++ b/src/runtime/haskell/PGF/Linearize.hs
@@ -75,7 +75,7 @@ linTree pgf lang e = lin (expr2tree e) Nothing
Just (DTyp _ cat _) -> compute pgf lang [K (KS (showCId x))] (lookMap tm0 cat (lindefs cnc))
Nothing -> TM (showCId x)
lin (Meta i) mty = case mty of
- Just (DTyp _ cat _) -> compute pgf lang [K (KS (show i))] (lookMap tm0 cat (lindefs cnc))
+ Just (DTyp _ cat _) -> compute pgf lang [K (KS ("?" ++ show i))] (lookMap tm0 cat (lindefs cnc))
Nothing -> TM (show i)
variants :: [Term] -> Term