Formatting of html source get discarded for certain tags when pasting HTML content in design mode. So far I have noticed it on OL UL DL Steps :- 1. goto attachment 438938 [details] (a modified Midas Demo from Bug 559261) 2. click View HTML source 3. paste following in View Source screen <div> <p>dfdfd</p> <p>dfdfd</p> <ul> <li>jhjhj</li> <li>jhjhj</li> <li>jhjhj</li> </ul> <span>adad</span> <span>adad</span> </div> 4. flip between View HTML and back - notice the html is preserving the formatting (source indentation) 5. come back to design mode 6. select all the content 7. copy the content 8. paste it back 9. view HTML source again Result:- UL lost formating all the content is in one line as <ul><li>jhjhj</li><li>jhjhj</li><li>jhjhj</li></ul> Expected:- Preserve formating Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.3a5pre) Gecko/20100421 Minefield/3.7a5pre (.NET CLR 3.5.30729)