text: Prism.languages.gcode = {
    'comment': /;.*|\B\(.*?\)\B/,
    'string': {
      pattern: /"(?:""|[^"])*"/,
      greedy: true
    },
    'keyword': /\b[GM]\d+(?:\.\d+)?\b/,
    'property': /\b[A-Z]/,
    'checksum': {
      pattern: /\*\d+/,
      alias: 'punctuation'
    },
    // T0:0:0
    'punctuation': /:/
  };
  