Function splitCallback

static/editor.md/lib/codemirror/addon/mode/loadmode.js:15–18

(cont, n)

  var loading = {};
  function splitCallback(cont, n) {
    var countDown = n;
    return function() { if (--countDown == 0) cont(); };
  }
  function ensureDeps(mode, cont) {
    var deps = CodeMirror.modes[mode].dependencies;
    if (!deps) return cont();