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RE: [Axiom-developer] TeXmacs interface and backward compatibility

From: Bill Page
Subject: RE: [Axiom-developer] TeXmacs interface and backward compatibility
Date: Sun, 28 Sep 2003 17:11:34 -0400


The problem is with the synchronization of the
input/output between Axiom and TeXmacs. There is
a small "filter" program called tm_axiom which fits
between Axiom and TeXmacs. The filter needs to know
when it can send a buffer originating from TeXmacs
to Axiom. It does this by waiting for the Axiom
prompt -> to be output by Axiom. The original version
of tm_axiom expected two such prompts before it
would begin to send the TeXmacs buffer to Axiom.
The change that David and I have made to tm_axiom
causes it to wait for only one Axiom prompt.

I am not sure, but I suspect that this change will
not break the interface between the older versions
of Axiom which do generate two prompts. The result of
our change is that tm_axiom will send the buffer
immediately after receiving the first prompt. Axiom
should simply issue one more prompt and then read the
buffer from it's input anyway. Unfortunately, I am
not able to test this since I do not have access to
any earlier versions of Axiom.

Bill Page.

> -----Original Message-----
> From: 
> address@hidden 
> [mailto:address@hidden
> .org] On Behalf Of root
> Sent: Sunday, September 28, 2003 4:53 PM
> To: address@hidden
> Cc: address@hidden; address@hidden; 
> address@hidden; address@hidden
> Subject: Re: [Axiom-developer] TeXmacs interface and backward 
> compatibility
> Ah, another simple job, eh? :-)
> Clearly we don't have the ability to support NAG's version of 
> Axiom because we don't have the whole distribution. I'd be 
> willing to but can't because of licensing reasons (Mike, 
> could I become a "support licensee" of NAG? Can you 
> sublicense support?). 
> (Barry, your question is related to the support sublicense issue)
> I don't see why texmacs doesn't just let both prompts show up 
> just like they do in the normal console. 
> Joris, does letting both prompts show up cause an issue for 
> TeXmacs (not the NAG users, just TeXmacs)?
> tim
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