code: function tempTooltip(cm, content) {
      var where = cm.cursorCoords();
      var tip = makeTooltip(where.right + 1, where.bottom, content);
      function clear() {
        if (!tip.parentNode) return;
        cm.off("cursorActivity", clear);
        fadeOut(tip);
      }
      // setTimeout(clear, 1700);
      cm.on("cursorActivity", clear);
      cm.on("blur", clear);
      cm.on("keydown", clear);
    }
docs: Tooltips