On 7/9/2022 12:34 AM, Otared Kavian via ntg-context wrote:
On 6 Jul 2022, at 22:10, Hans Hagen via ntg-context <ntg-context@ntg.nl> wrote:
Hi,
We're pleased to announce the first official release of the new math code.
We're talking of:
[…]
Dear Hans and Mikael،
Thank you very much for the new upload and the new stuff for tyepsetting maths.
I have been playing around with the features presented in the example file sent
by Mikael, and I must say, among other things you have implemented, the
constructs \bearkhere and \skiphere, and friends, are absolutely great,
brilliant and so simple! I wonder why such a simple and elegant solution was
not around before…
they were to some extend (in split=text mode) but never advocated but we
added some to it as well as made it work with diferent alignments (most
noticeably slanted) and number placement (overflow)
As a plain TeX traditionalist I am a little bit sad to let the \over construct
be ditched, but my sadness did not last too long.
just think of the side effects:
{a}\over{y} + z
y and z are combined so one need to add { }
{{a}\over{y}}
thenm infleuncing styles becomes trickier too; the lot becomes an ord
(ok, not in lmtx, where it becomes a fraction atom) and when you compare
{{a}\over{y}}
\frac{a}{b}
you even save two keystrokes -)
it's also not easy to control spacing etc because one cannot redefine
over; actually fractions uses \U[..over|above|..] which takes two
arguments (forward scanning)
It seems that the \choose construct has been ditched but I did not guess what
has replaced it (I guess the reason is the same for ditching \over, since the
construct used to be ${n \choose k}$ and this is not what one wants to have in
a macro).
some of these were just old school simple things but we have better
alternatives; and if not: just specify what you need and we will come up
with something (configurable)
(of course one can just define the old schoose)
Hans
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Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
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