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From: Andrew Choi <akochoi@shaw.ca>
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Subject: Re: tcp.el is obsolete
Date: Fri, 03 May 2002 22:17:29 -0600
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>     > Can anyone confirm that the built-in open-network-stream is
>     > supported on all platforms now?
> 
>     It isn't on Mac, but that doesn't have asynchronous processes
>     for the code to use.
> 
> You could be saying that tcp.el is useless on the Mac, but I am not
> sure.  Could you clarify the statement?  Can anyone tell us for
> certain whether tcp.el is of use on the Mac?

Mac OS X has built-in open-network-stream support.  So tcp.el is not
used there.

Mac OS 8 or 9 has neither built-in open-network-stream nor
start-process support.  So the definition of open-network-stream in
tcp.el *cannot* be use there.