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Re: IRAF component relicensed

On Tue, Dec 21, 2004 at 10:45:51AM +0000, Henning Makholm wrote:
> Scripsit Josh Triplett <josh.trip@verizon.net>
> > One suggestion: you might be able to make the necessary modifications to
> > BSD yacc, which I think descends from the original UNIX yacc by way of
> > BSD UNIX and the whole AT&T vs. BSD issue.
> In this particular case, the modifications consist of changing the
> output language from C to something else. That sounds fairly major;
> the entire parsing engine would have been hand-translated to the new
> language.

It's probably not that hard. The manner in which a yacc-generated
parser operates is not obvious to somebody who does not understand it,
but it really isn't complicated. I'd be surprised if it was more than
a day's work.

The hardest part is probably figuring out what they actually did, so
as to create something compatible.

  .''`.  ** Debian GNU/Linux ** | Andrew Suffield
 : :' :  http://www.debian.org/ |
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