Form Post from Firefox

report=I try to parse RDF using URI

but it give me the following error!!!!why??????

An attempt to load the RDF from URI
'http://darayya.com/Bassam/fit.rdf'failed. (Undecodable data when
reading URI at byte 0 using encoding 'UTF-8'.
Please check encoding and encoding declaration of your document.)

RDF=<?xml version="1.0">

-- 
-----------------------------------
> Eng.Bassam Najeeb.
>Software Engineer.