in reply to Re^2: Streaming JS commands to IE with a Perl HTTP push server
in thread Streaming JS commands to IE with a Perl HTTP push server

For anyone interested in this post, I discovered the solution to the problem. Before Internet Explorer will start streaming Javascript commands or any content, it must receive 256 bytes of data. This is as simple as
print $sock ' ' x 256;
What a ridiculous solution. I found this in the last sentence of the PHP manual entry for "flush".
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