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From: Hans Hagen <pragma@wxs.nl>
To: ntg-context@ntg.nl
Subject: Re: Extensible arrows in ConTeXT
Date: Wed, 26 Jul 2017 00:47:05 +0200	[thread overview]
Message-ID: <7f346ec3-6c66-1dc6-3dd9-511adaa03cc0@wxs.nl> (raw)
In-Reply-To: <3CBCB102-71E4-4058-997F-90416B56799E@fa.uni-tuebingen.de>

On 7/26/2017 12:01 AM, Mathias Schickel wrote:
> 
>> Am 22.07.2017 um 22:34 schrieb Alan Braslau <braslau.list@comcast.net 
>> <mailto:braslau.list@comcast.net>>:
>>
>> On Fri, 21 Jul 2017 12:31:33 +0200
>> Mathias Schickel <msch@fa.uni-tuebingen.de 
>> <mailto:msch@fa.uni-tuebingen.de>> wrote:
>>
>>>> $\xrightarrow{}{}$
>>>
>>> This throws errors. Any idea why?
>>>
>>>> $\xrightoverleftarrow{}{33°C}$
>>>
>>> This does work. Sadly it is not the arrow I want to have.
>>
>> MWE:
>>
>> \starttext
>> $A \xrightarrow{}{} B$
>> \stoptext
>>
>> No problem here.
> 
> It seems to be a problem with the font I use.  Hans, do you have any 
> idea why that does not work if I am using Minion Math? I am getting the 
> following error:
> 
> attempt to get length of local 'charlist' (a nil value)
> stack traceback:
> ...ext/tex/texmf-context/tex/context/base/mkiv/math-act.lua:514: in 
> function 'horizontalcode'
> ...ext/tex/texmf-context/tex/context/base/mkiv/math-act.lua:541: in 
> function <...ext/tex/texmf-context/tex/context/base/mkiv/math-act.lua:540>
> (...tail calls...)
you can patch this in that file and remake the format

     elseif kind == e_right then
         local charlist = data[3].horiz_variants
         if charlist then
             local right = charlist[#charlist]
             roffset = abs((right["start"] or 0) - (right["end"] or 0))
         end



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  reply	other threads:[~2017-07-25 22:47 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-14  9:33 Mathias Schickel
2017-07-14 15:15 ` Mathias Schickel
2017-07-14 19:25 ` Alan Braslau
2017-07-21 10:31   ` Mathias Schickel
2017-07-22 20:34     ` Alan Braslau
2017-07-25 22:01       ` Mathias Schickel
2017-07-25 22:47         ` Hans Hagen [this message]
2017-07-26  5:20           ` Mathias Schickel
2017-07-26  6:07             ` Pablo Rodriguez
2017-07-26 11:31               ` Mathias Schickel
2017-07-26 15:36                 ` Pablo Rodriguez
2017-07-27 16:02                   ` Mathias Schickel
2017-07-27 16:33                     ` Hans Hagen
2017-07-29  9:41                       ` Mathias Schickel

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