On Mon, Nov 15, 2021 at 3:50 PM G. Branden Robinson
<g.branden.robin...@gmail.com> wrote:
>
> Hi folks,
>
> Given this input:
>
> $ cat EXPERIMENTS/simple-equation.ms
> .LP
> .DS
> .EQ
> S = "{" x | x \[mo] Z, x > pi "}"
> .EN
> .DE
>
> The braces show up in italics in the output (using groff 1.22.4, "groff
> -e -ms"). Isn't that wrong?
I would say no, that isn't wrong. According to the EQN user's
guide* §14, Quoted Text:
“ Any input entirely within quotes ("...") is not subject to any
of the font changes and spacing adjustments normally done by the
equation setter. This provides a way to do your own spacing and
adjusting if needed:
italic "sin(x)" + sin (x)
is
sin(x) + sin(x) <== Roman text
^---- Italic text
Quotes are also used to get braces and other EQN keywords printed:
"{ size alpha }"
is
{ size alpha } <== all set in Italics
and
roman "{ size alpha }"
is
{ size alpha } <== all set in Roman”
* Typesetting Mathematics -- User’s Guide (Second Edition)
B. W. Kernighan and L. L. Cherry, Aug. 15, 1978
(stand-alone file)
So to get roman braces in your example above, you would need:
.LP
.DS
.EQ
S = roman "{" x | x \[mo] Z, x > pi roman "}"
.EN
.DE
--Dale
--
Gideon: “I thought you said you never hold a grudge.”
Galen: “I don’t. I have no surviving enemies. At all.”
-- Crusade, “Racing the Night”
