"testdata/listcompr01.reject.lc" (line 6, column 42):
unexpected ','
expecting end of "]", ".", "%", character, literal string, float, "#", natural, "_", "'", lowercase ident, "(", uppercase ident, "[", List comprehension, "{", "let", "@", symbols, ":", backquoted, "::", "~", "->", "=>", "where", "data", "class", "instance", "type", "infix", "infixl", "infixr", operator definition or end of input