[monk_e_boy]

No. The parser corrects and changes the source to make the DOM.

So it is impossible to find errors usually. So things like:

    <p><div> </p></div>

the parser will correct, and therefore the DOM will be correct. But what it does to fix this may break your site. I often found the CSS would be screwed up for many reasons (rules don't match DOM structure -- due to bugs all over our codebase)

[OJFord]

Also, changes made by client-side JS.

[burnbabyburn]

oh right.