Function Iter

static/editor.md/lib/codemirror/addon/fold/xml-fold.js:21–26

(cm, line, ch, range)

  var xmlTagStart = new RegExp("<(/?)([" + nameStartChar + "][" + nameChar + "]*)", "g");

  function Iter(cm, line, ch, range) {
    this.line = line; this.ch = ch;
    this.cm = cm; this.text = cm.getLine(line);
    this.min = range ? range.from : cm.firstLine();
    this.max = range ? range.to - 1 : cm.lastLine();
  }

  function tagAt(iter, ch) {
    var type = iter.cm.getTokenTypeAt(Pos(iter.line, ch));