editor/libeditor/crashtests/769967.xhtml

   1 <html xmlns="http://www.w3.org/1999/xhtml" contenteditable="true" style="user-select: all;"><sub>x</sub><script>
   2 function boom()
   3 {
   4   window.getSelection().removeAllRanges();
   5   var r = document.createRange();
   6   r.setStart(document.documentElement, 0);
   7   r.setEnd(document.documentElement, 0);
   8   window.getSelection().addRange(r);
   9
  10   document.execCommand("subscript", false, null);
  11   document.execCommand("insertText", false, "y");
  12 }
  13
  14 window.addEventListener("load", boom, false);
  15
  16 </script></html>