How can I stop Visual Studio spoiling my valid XHTML ?

[Brian Lowe]

I'm using Visual Studio to build ASP.Net pages and I'm trying to be
standards compliant by using XHTML.

In my page I create valid XHTML such as:
<ul>
<li>first list item</li>
<li>second list item<br />
includes a line break</li>
</ul>

When I switch between design and HTML modes Visual Studio screws up my XHTML
to turn it in to:
<ul>
<li>
first list item
<li>
second list item<br>
includes a line break
</li>
</ul>
Any <LI> except the last is missing its closing tag.
Any 'self closing' tag such as IMG, BR, HR is stripped of it closure.

I've searched all over but can't find any instruction or setting that might
control this kind of thing.

The obvious place would be the !DOCTYPE setting, but manually inserting the
correct DOCTYPE and a URL for the DTD doesn't help.

Less obvious would be the 'target browser' setting but none of the options
offered geerates XHTML.

So. Can anyone tell me how to set up VS2003 (EA) so that I can have the IDE
build ASP.Net pages that are
valid XHTML instead of HTML?

Brian Lowe
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