atom-beautify/examples/simple-jsbeautifyrc/javascript/original/test.json

{
  "indent_size": 2,
"indent_char": " ", // test
  "indent_level": 0,
"indent_with_tabs": false, /* test */
  "preserve_newlines": true,
"max_preserve_newlines": 2, /* test *
  "jslint_happy": true
}