Re: [Groff] broken documentation for ideal

[Daniel Lyons]

On Feb 6, 2013, at 7:45 PM, "James K. Lowden" <address@hidden> wrote:

> On Thu, 07 Feb 2013 00:23:15 +0000
> Ralph Corderoy <address@hidden> wrote:
> 
>>> Is there an implementation of ideal to go with the manual?
>> 
>> I heard second-hand that Christopher Van Wyk states Alcatel-Lucent own
>> the copyright
> 
> Confirmed.  He told me so himself.  
> 
> Ideal would not be trivial to reimplement, either, not least because
> it's not imperative but *declarative*.  One doesn't direct the drawing
> so much as supply equations to be solved simultaneously.  As far as I
> know, that's unique in the world of drawing programs.  Maybe that's why
> it still has commercial value in the day of Vizio.  

That's interesting. I wonder who's using it.

I'm quite into Prolog. I wonder if it would be feasible to translate it to one 
of the other roff image formats (pic, I guess?) by directing clpqr solve the 
equations.

— 
Daniel Lyons