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-rw-r--r--src/runtime/haskell/PGF/Data.hs3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/runtime/haskell/PGF/Data.hs b/src/runtime/haskell/PGF/Data.hs
index bd818ea1b..6a0714faf 100644
--- a/src/runtime/haskell/PGF/Data.hs
+++ b/src/runtime/haskell/PGF/Data.hs
@@ -124,11 +124,12 @@ readLanguage = readCId
showLanguage :: Language -> String
showLanguage = showCId
-fidString, fidInt, fidFloat, fidVar :: FId
+fidString, fidInt, fidFloat, fidVar, fidStart :: FId
fidString = (-1)
fidInt = (-2)
fidFloat = (-3)
fidVar = (-4)
+fidStart = (-5)
isPredefFId :: FId -> Bool
isPredefFId = (`elem` [fidString, fidInt, fidFloat, fidVar])