$2A
42
str"ing
$10
"literal \"\\\""
literal "\"
multi-"line"
  ""string"" arg
$60000
unclosed
NUM
"42"
"str\"ing"
16
"\"literal \\\"\\\\\\\"\""
"literal \"\\\""
"""multi-"line"
  ""string"" arg"""
MUL(2.0, 3.0)
this
 is, {not} a\n syntax" error
"unclosed
"""EOF