[NTG-context] Multiline text in mathmode

[Johann Birnick]

Thank you!

On Thu, 2022-06-30 at 07:58 +0200, Hans Hagen via ntg-context wrote:
> On 6/30/2022 7:13 AM, Aditya Mahajan via ntg-context wrote:
> > On Thu, 30 Jun 2022, Johann Birnick via ntg-context wrote:
> > 
> > > I guess you will update to LMTX..? Unfortunately I use MkIV, because of
> > > other
> > > math bugs in LMTX. Do you know any (can be ugly) way of doing this without
> > > the
> > > new stuff?
> > 
> > You could just use a framed.
> > 
> > \define[1]\multilinetext{\vcenter{\framed[align=middle,frame=off]{#1}}}
> > 
> > \startTEXpage[offset=2mm]
> >    \startformula
> >      \left\{ \multilinetext{Quaternion algebra over $\rationals$ \\ up to
> >      isomorphisms} \right\}
> >    \stopformula
> > \stopTEXpage
> indeed, the lmtx definiton sis similar:
> 
> \permanent\tolerant\protected\def\mparagraph[#1]#*#:#2%
>    {\vcenter class \mathconstructcode \bgroup
>       \framed
>         [\c!offset=\v!overlay,
>          \c!frame=\v!overlay,
>          \c!align=\v!middle,
>          #1]{#2}%
>     \egroup}
> 
> Hans
> 
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>                                            Hans Hagen | PRAGMA ADE
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