Re: [Groff] Mission statement

[Ralph Corderoy]

Hi again Ted,

> > What eqn does when reducing point sizes for these is, at each stage,
> > issue a troff request
> >
> > .ps (u;\\n[.ps]*7+5/10>?5)
> >
> > whose effect is that provided the result exceeds 5 [points] use this
> > as the point-size; otherwise use 5 points.
> >
> > So, for instance, if initially in 10-point this sets the point-size
> > to 10*7[=70]+5[=75]/10 = 7, for a 1st-order superscript.
> 
> I'm not up on this area so this is more of a question than
> correction...  Given it's .ps, which is scaled points, why isn't it
> 10,000, assuming a DESC with sizescale of 1,000, which would then make
> the +5 somewhat puny?
> 
>     $ printf '%s\n' '.nr x (u;\n[.ps]*7+5)' '.tm \nx' |
>     > troff
>     70005
>     $

I got the wrong end of the stick, sorry for the noise.  The +5 is fine,
it's only there for the /10.  What's puzzling me now is the >?5 since
that's not "otherwise use 5 points" but 5 scaled points?

Cheers, Ralph.