Is there an easy to use XML validator on the web, on-line?

There may be many. I some tiems use this one (look at the URL address).

xmLvALIDATE__0

I submitted this document that I know is well formed without errors.

xmLvALIDATE_2.jpg

When I click 'validate', I get this response.

xmLvALIDATE_1.jpg