Thank you for contacting us.
First of all regarding the unordered list selection issue in IE. The content area of RadEditor is actually nothing else but a standard editable iframe/div element, which uses the rich text editing engine of the used browser to render tags. That's why you could observe the same browser behavior with the need of multiple clicking ul elements also within the editable iframe page I've attached without RadEditor.
Here is a video showing my test:
Regarding the redundand issue you are experiencing, I tried to replicate it on our site but no avail.
I'm attaching a video demonstrating the test.
Since it sounds to be a quite annoying issue and I am willing to help you resolve it, could you please provide us with more detailed reproduction steps or a video and let me know what I am missing in order to recreate your scenario?
Looking forward to your reply.
the Telerik team
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