The other possibility is to have a null value for IResourceStream.length(), like -1, to decide whether to set the header or not.
The RFC says that this Content-Length SHOULD be sent http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.13 That means it's recommended, but not mandatory. -- Jean-Baptiste Quenot aka John Banana Qwerty http://caraldi.com/jbq/
