There is a page on our server that's reachable via two different URLs.
http://www.spotlight.com/6213-5613-0721
http://www.spotlight.com/interactive/cv/1/M103546.html
There's classic ASP behind the scenes, and both of those URLs actually do a Server.Transfer to the same underlying ASP page.
The accents in the name at the top of the page are rendering correctly on one URL and incorrectly on the other - but as far as I can tell, the two requests are returning identical responses (same markup, same headers, same everything) - and I have absolutely no idea why one URL should be rendering correctly whilst the other is corrupting the accented characters.
Is there anything else (content encoding?) that I should be examining - and if so, how can I tell what's being returned beyond the information displayed in Firebug?