parse error at (line 1, column 9):

unexpected ")"

expecting casl char, underline word, "%%", "%{", "%(", "%", "," or ":"

parse error at (line 2, column 8):

unexpected "="

expecting "{", __, [<id>,...,<id>], "%%", "%{", "%(", "%", ",", "<=>", "(" or ":"

parse error at (line 3, column 8):

unexpected ")"

expecting words

parse error at (line 4, column 8):

unexpected "#"

expecting "{", __, [<id>,...,<id>], "%%", "%{", "%(", "%", ",", "(" or ":"

parse error at (line 5, column 7):

unexpected "?"

expecting casl char, underline word, "{", __, [<id>,...,<id>], "%%", "%{", "%(", "%", ",", "<=>" or "("

pred a() <=> %()%

e