Generating non-XHTML content in $content

We have started a theme for Curl ( as in www.curl.com not cURL as in haxx.se ) based on your theme.

Progress to date can be seen at http://www.aule-browser.com/drupal

Our site requires the Curl runtime plugin for your browser

If you have any suggestions on say, generating breadcrumbs in Curl {link } isntead of XHTML anchor+href please add a note.

A Curl breadcrumb might be
{text {link href = {url "http://www.aule-browser.com/drupal"}, Home Page} }

so quite close to

The use of Curl may open up Drupal CMS for use at many global organizations which have very tight security for some web applications in very sensitive areas.

I have attached a JPG of our site with our Drupal homepage in Curl-only (the unparsed HTML changes as you go from link to link)

What we are trying to match is also atttached for comparison.