@@ -326,7 +326,7 @@ commentMarkers :: [String]
326commentMarkers = [ "--", "|||" ]
326commentMarkers = [ "--", "|||" ]
328invalidOperators :: [String]
328invalidOperators :: [String]
329−invalidOperators = [":", "=>", "->", "<-", "=", "?=", "|", "**", "==>", "\\", "%"]
329+invalidOperators = [":", "=>", "->", "<-", "=", "?=", "|", "**", "==>", "\\", "%", "~", "?", "!"]
331-- | Parses an operator
331-- | Parses an operator
332operator :: MonadicParsing m => m String
332operator :: MonadicParsing m => m String