This updates Patch 1436440, but this one has my name on the ticket this time and has a fixed CRLF bug (previously unknown) that I just discovered using the newest bleeding-edge Firefox 3.0a2pre nightly build from yesterday.
Chunked transfer encoding is described @ http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.6.1
This allows tclhttpd to keep connections open indefinitely and to send content as needed.
An example would be the following "experiment" of mine found @ http://www.pobox.com/~davygrvy/chat/tcl
Just dump these procs to lib/httpd.tcl and you should be good to go.
new procs for lib/httpd.tcl