[NTG-context] new uplaod

Hans Hagen j.hagen at freedom.nl
Sat Sep 10 23:24:12 CEST 2022


On 9/10/2022 9:45 AM, Alexandre Christe via ntg-context wrote:
> Hi Hans,
> 
> Will |\mvert|and|\midalso be included in the \autofencelogic? It would 
> be quite useful.|

i prototyped it but the chairman of the CMS has to check it before we 
decide to enable it

one complication is that

$ \autofences x | \frac{a}{x}$

$ \autofences ( \frac{a}{x} + b | x )$

should also work (lone middles)

> Le jeu. 25 août 2022 à 18:18, Hans Hagen via ntg-context 
> <ntg-context at ntg.nl <mailto:ntg-context at ntg.nl>> a écrit :
> 
>     Hi,
> 
>     I uploaded a new lmtx. Again some updated math of which details will be
>     revealed later. Apart from some details we added suport for fourier
>     notations. There are no high level definitions yet as we have to invent
>     names but this is how it works (private unicode slots might change):
> 
>     \setupbodyfont[pagella]
> 
>     \starttext
> 
>     \setupmathdelimited
>         [topoffset=.2\exheight]
> 
>     \definemathdelimited
>         [fourier]
>         [rule=no,
>          left=\zerocount,
>          right="FE944]
> 
>     \definemathdelimited
>         [courier]
>         [rule=no,
>          left=\zerocount,
>          right="FE946]
> 
>     \definemathdelimited
>         [xourier]
>         [rule=no,
>          left=\zerocount,
>          right="FE948]
> 
>     $ \fourier{(z+1)} $
> 
>     $ \fourier{(z+1)} + \sqrt[2]{1}$
> 
>     $ \fourier{(z+1)} + \courier{(z+1)} + \xourier{(z+1)} $
> 
>     $ \fourier{\left(z+\frac12\right)} + \courier{\left(z+\frac12\right)} +
>     \xourier{\left(z+\frac12\right)} $
> 
>     $ \autofences \fourier{(z+\frac12)} + \courier{(z+\frac12)} +
>     \xourier{(z+\frac12)} $
> 
>     $ \widehat{x^2 + 2x + 2} $
> 
>     \stoptext
> 
>     This example also shows a new \autofences feature and widehats
>     (widetilde and widecheck also work that way) that overcome limitations
>     in fonts, so
> 
>     \def\CrappyHack#1{\im{#1{a} + #1{a+b} + #1{a+b+c} + #1{a+b+c+d} +
>     #1{a+b+c+d+e} + #1{a+b+c+d+e+f}}\par}
>     \CrappyHack\widehat
>     \CrappyHack\widetilde
>     \CrappyHack\wideacute
>     \CrappyHack\widecheck
> 
>     will work. For thise in finance we now have
> 
>     $ \annuity{x + 1} + \lannuity{x + 1} + \rannuity{x + 1} +
>     \lrannuity{x +
>     1} $
> 
>     these are basically radicals (like sqrt) with two sided symbols.
> 
>     Hans
> 
> 
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