[Groff] Re: gpic bug

[Werner LEMBERG]

> > BTW, I believe that CSTR 116's grammar is not correct.  At least
> > GNU pic wants to have a `dot-corner' (called `optional-corner' in
> > CSTR 116) with no references to labels; additionally, the keywords
> > `right' and `left' are converted to `.w' and `.e', respectively.
> >
> > Can some check this with AT&T pic, please?  I'll then update
> > pic.ms accordingly.
>
> I asked a friend at the Labs to poke through the dump and here is
> what he said:

Thanks.

>       The v8 picy.y (Jun 2 1985) has the same
>       WITH position grammar productions, so it looks like
>       they were simply omitted from the CSTR.

The problem is not that certain productions are `omitted' but that the
given rule is apparently incorrect.  `WITH' seems not to work with
`corner' at all.  And if the parser hasn't changed, I don't understand
why (0,0) is valid.  An undocumented feature?


    Werner