[plt-scheme] case sensitivity in servlets

It appears that the web-server collection (v203) loads servlet files
in case-sensitive mode.  This servlet prints "Foo" instead of "foo":

(require (lib "unitsig.ss") (lib "servlet-sig.ss" "web-server"))
(unit/sig ()
  (import servlet^)
  `(html (body ,(symbol->string 'Foo))))

Is this intentional?  It probably ought to be documented, if it isn't
already.  (I didn't see anything in plt/collects/web-server/doc.txt;
is that really the definitive documentation, by the way?  It's
slightly ironic that there are no HTML docs for the web server...)

--dougo at ccs.neu.edu