Function detachMarkedSpans

static/js/codemirror/codemirror.js:3751–3757

(line)

  }

  function detachMarkedSpans(line) {
    var spans = line.markedSpans;
    if (!spans) return;
    for (var i = 0; i < spans.length; ++i)
      spans[i].marker.detachLine(line);
    line.markedSpans = null;
  }

  function attachMarkedSpans(line, spans) {
    if (!spans) return;