Loading DTD from local file

I am using ASV6 on a client machine that will not have internet access. The SVG files will be served from a machine that will also not have internet access. How can I change the DOCTYPE statement in order to load the DTD both by the server and by the client. I have saved the DTD to a file and have tried the following statement: <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20010904//EN" "http://hostname/svg10.dtd">. The server has no trouble but ASV6 cannot find it. Any suggestions?

Since everything is on the same network, can you do this?
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20010904//EN" "MySvg11.dtd">

Let me know if this works.
Best,

Jon

Unfortuately that didn't seem to work