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-rw-r--r--src/server/PGFService.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/server/PGFService.hs b/src/server/PGFService.hs
index 020349fbb..50d49d0f9 100644
--- a/src/server/PGFService.hs
+++ b/src/server/PGFService.hs
@@ -974,7 +974,7 @@ instance JSON PGF.Expr where
instance JSON PGF.BracketedString where
readJSON x = return (PGF.Leaf "")
- showJSON (PGF.Bracket cat fid index fun _ bs) =
+ showJSON (PGF.Bracket cat fid _ index fun _ bs) =
makeObj ["cat".=cat, "fid".=fid, "index".=index, "fun".=fun, "children".=bs]
showJSON (PGF.Leaf s) = makeObj ["token".=s]