module.exports = function(hljs) {
  return {
    case_insensitive: true,
    illegal: /\S/,
    contains: [
      hljs.COMMENT(';', '$'),
      {
        className: 'title',
        begin: '^\\[', end: '\\]'
      },
      {
        className: 'setting',
        begin: '^[a-z0-9\\[\\]_-]+[ \\t]*=[ \\t]*', end: '$',
        contains: [
          {
            className: 'value',
            endsWithParent: true,
            keywords: 'on off true false yes no',
            contains: [hljs.QUOTE_STRING_MODE, hljs.NUMBER_MODE],
            relevance: 0
          }
        ]
      }
    ]
  };
};