User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.4b) Gecko/20030507 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.4b) Gecko/20030507 When View Source is done on a page which has HTML tags in upper case they get get shown as lower case. This can cause problems when debugging a page and you are not sure what case the tag is. However the attribute of the tag stays uppercase For example: <IMG SRC="foo.gif"> becomes <img SRC="foo.gif"> Reproducible: Always Steps to Reproduce: 1. Greate a page with HTML that is in upper case 2. Visit the page 3. View it's source :) Actual Results: The view source tag case was lower case. Expected Results: Mozilla should have shown the tags in upper case or whatever case they happen to be. Not force them to lower case.

*** This bug has been marked as a duplicate of 63137 ***

vrfy dupe