User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7) Gecko/20040614 Firefox/0.9 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7) Gecko/20040614 Firefox/0.9 XML format disapear when scrolling heavy pages with the middle mouse button (XML=>plain text) Reproducible: Always Steps to Reproduce: 1.Open a huge XML file like the rss feed (http://rss.news.yahoo.com/rss/microsoft) 2.Use the middle mouse button to scroll the content of the page 3.Look! XML formating's gone! Actual Results: Default XML formating go away after scrolling the page is now a big plain text page Expected Results: just scroll smoothly the content i guess ;P Default theme version 0.9 of firefox no crash just formating disapearing i'm using win xp pro, i've to press refresh to get back the formating of the page

*** This bug has been marked as a duplicate of 215762 ***