> .ds { \v'-.9m\s'\En[.s]*7u/10u'+.7m'
Wow. I didn't know that was possible. You're interrupting the
calculation of the amount of vertical movement to set the point
size, and then use the new value (as ems) in the interrupted
calculation...
But the result is correct, it's equivalent to
\v'
* On 2021 11 Aug 20:30 -0500, Dave Kemper wrote:
> On 8/9/21, G. Branden Robinson wrote:
> >
> > \v'-.5'\s-4\&2\s0\v'.5'
> >
> > The use of \&, unnecessary here as far as I know, suggests to me that
> > someone got burned by the magic syntax of the \s escape sequence.
>
> The \& is unnecessar
