json

{
  // Line comments are not included in standard but nonetheless allowed.
  /* As well as block comments. */
  "the only keywords are": [true, false, null],
  "strings with": {
    "no excapes": "pseudopolinomiality"
    "valid escapes": "C-style\r\n and unicode\u0021",
    "illegal escapes": "\0377\x\"
  },
  "some numbers": [
    42,
    -0.0e-0,
    6.626e-34
  ]
}