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From: "John R. Strohm" <strohm@airmail.net>
Newsgroups: comp.lang.pl1,comp.lang.ada
Subject: Re: status of PL/I as a viable language
Date: Fri, 21 Feb 2003 16:25:18 -0600
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"Hyman Rosen" <hyrosen@mail.com> wrote in message
news:1045863617.243086@master.nyc.kbcfp.com...
> John R. Strohm wrote:
> > And that "simple little limited regular expression matcher" passed the
> > formal customer acceptance test on the first try, with no deviations or
> > waivers or anything.
>
> But it took them *two years* to get it specified,
> designed, and built. Maybe it was a polished piece
> of perfection, but that's a very long time to build
> a message filter.

Depends on what kind of defect density you can tolerate, and on whether you
can afford to find the defects in actual operation.