Fwd: Re: \textfraction broken?

Fwd: Re: \textfraction broken?

[Hans Hagen]

-------- Forwarded Message --------
Subject: Re: [NTG-context] \textfraction broken?
Date: Thu, 13 Jul 2017 09:45:42 +0200
From: Hans Hagen <pragma@wxs.nl>
To: Henri Menke <henrimenke@gmail.com>

On 7/12/2017 11:06 PM, Henri Menke wrote:
> On Wed, 2017-07-12 at 12:53 -0400, Alan Bowen wrote:
>> Thanks, Henri.
>>
>> The mwe seems to work without specifying the font, but that may just be a deceptive triumph of bad
>> form.
>>
>> I have a number of fonts in my document in which I would like \textfraction to work. Is there are
>> global way to prepare them or must I do it one by one?
> 
> You cannot prepare the font for this by yourself (unless you are a font designer).  The font needs
> to have the "frac" feature present.  Your macro \textfraction{1/2} simply typesets 1/2 with the frac
> feature enabled.  You can find out if your font has this feature using the tool otfinfo, e.g.

in context the font script can give all kind of info

>mtxrun --script font --list --list --file --pattern=dejavu* --info


> $ otfinfo -f FiraSans-Regular.otf
> aalt	Access All Alternates
> c2sc	Small Capitals From Capitals
> calt	Contextual Alternates
> case	Case-Sensitive Forms
> ccmp	Glyph Composition/Decomposition
> cpsp	Capital Spacing
> dlig	Discretionary Ligatures
> dnom	Denominators
> frac	Fractions
> kern	Kerning
> liga	Standard Ligatures
> lnum	Lining Figures
> mark	Mark Positioning
> mgrk	Mathematical Greek
> mkmk	Mark to Mark Positioning
> numr	Numerators
> onum	Oldstyle Figures
> ordn	Ordinals
> pnum	Proportional Figures
> salt	Stylistic Alternates
> smcp	Small Capitals
> ss01	Stylistic Set 1
> ss02	Stylistic Set 2
> ss03	Stylistic Set 3
> ss04	Stylistic Set 4
> subs	Subscript
> sups	Superscript
> tnum	Tabular Figures
> zero	Slashed Zero
> 
>>
>> Alan
>>
>> On Mon, Jul 10, 2017 at 8:09 PM, Henri Menke <henrimenke@gmail.com> wrote:
>>> On Mon, 2017-07-10 at 19:34 -0400, Alan Bowen wrote:
>>>> Adding
>>>>
>>>> \definefontfeature[fraction][frac=yes]
>>>> \definehighlight[textfraction][style={\feature[+][fraction]}]
>>>>
>>>> fixes the problem in the sample just sent.
>>>
>>> This, and the font has to have the corresponding feature present.
>>>
>>>>
>>>> Sorry for the misfire.
>>>>
>>>> Alan
>>>>
>>>> On Mon, Jul 10, 2017 at 1:53 PM, Alan Bowen <bowenalan03@gmail.com> wrote:
>>>>> Has there been a change to \textfraction?
>>>>>
>>>>> Try
>>>>> 1\textfraction{1/2}.
>>>>>
>>>>> I get
>>>>> 1 /1/2
>>>>> with ConTeXt  ver: 2017.06.30 (and earlier on the wiki)
>>>>>
>>>>> Alan
>>>>>
>>>> ___________________________________________________________________________________
>>>> If your question is of interest to others as well, please add an entry to the Wiki!
>>>>
>>>> maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
>>>> webpage  : http://www.pragma-ade.nl / http://context.aanhet.net
>>>> archive  : https://bitbucket.org/phg/context-mirror/commits/
>>>> wiki     : http://contextgarden.net
>>>> ___________________________________________________________________________________
>>> ___________________________________________________________________________________
>>> If your question is of interest to others as well, please add an entry to the Wiki!
>>>
>>> maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
>>> webpage  : http://www.pragma-ade.nl / http://context.aanhet.net
>>> archive  : https://bitbucket.org/phg/context-mirror/commits/
>>> wiki     : http://contextgarden.net
>>> ___________________________________________________________________________________
>> ___________________________________________________________________________________
>> If your question is of interest to others as well, please add an entry to the Wiki!
>>
>> maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
>> webpage  : http://www.pragma-ade.nl / http://context.aanhet.net
>> archive  : https://bitbucket.org/phg/context-mirror/commits/
>> wiki     : http://contextgarden.net
>> ___________________________________________________________________________________
> ___________________________________________________________________________________
> If your question is of interest to others as well, please add an entry to the Wiki!
> 
> maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
> webpage  : http://www.pragma-ade.nl / http://context.aanhet.net
> archive  : https://bitbucket.org/phg/context-mirror/commits/
> wiki     : http://contextgarden.net
> ___________________________________________________________________________________
> 


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___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!

maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
webpage  : http://www.pragma-ade.nl / http://context.aanhet.net
archive  : https://bitbucket.org/phg/context-mirror/commits/
wiki     : http://contextgarden.net
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