2. The system as recited in claim 1 , wherein each content provider file comprises one of an extension file, an instance file, and a phrase file.
2. The system as recited in claim 1 , wherein each content provider file comprises one of an extension file, an instance file, and a phrase file. 9. The system as recited in claim 2 , wherein each content provider file includes locations of a plurality of XML instance documents, each having a structure in accordance with the predetermined XML provider file structure.