Function doctype

static/editor.md/lib/codemirror/mode/jade/jade.js:149–153

(stream)

  }

  function doctype(stream) {
    if (stream.match(/^(?:doctype) *([^\n]+)?/)) {
        return DOCTYPE;
    }
  }

  function interpolation(stream, state) {
    if (stream.match('#{')) {