[NTG-context] Comma spacing in math mode

Andreas Harder aharder at uni-koblenz.de
Mon Feb 28 00:20:43 CET 2011

Am 28.02.2011 um 00:14 schrieb Aditya Mahajan:

> On Mon, 28 Feb 2011, Mojca Miklavec wrote:
>> On Sun, Feb 27, 2011 at 23:49, Stefan Müller <warrence.stm at gmx.de> wrote:
>>> Hi!
>>> On 27.02.2011 20:58, Aditya Mahajan wrote:
>>>> On Sun, 27 Feb 2011, S Barmeier wrote:
>>>>> I don't know if anyone feels the same, but I'm not happy with the
>>>>> spacing of commas in math mode (pictures attached). For instance,
>>>>> typesetting H^1(X,F), the comma seems to be closer to the F than to the
>>>>> X. Equal spacing on both sides or setting the comma closer to the X are
>>>>> I guess a matter of taste (inserting a \neghairspace after the X
>>>>> achieves the latter). In any case, I would kind of prefer equal spacing.
>>>> \setupmathematics[autopunctuation=no]
>>>> @Hans: I would suggest that this should be made the default.
>>> IMO this does only partially help, consider the following example:
>>> \starttext
>>> $(B, Y, R, X)$
>>> \setupmathematics[autopunctuation=no]
>>> $(B, Y, R, X)$
>>> \stoptext
>>> In both lines the spacing after "Y" is way to big. I don't know if that's a
>>> bug or just ugly. (version 2011.02.15 16:11)
>> In text parts this is known as kerning. In OpenType math there are
>> complex bounding boxes.
> I would call it a bug. The spacing is OK with cambria, but not with xits.

As it comes to math, there is still this ugly rendering of $n\choose k$ … with all OpenType math fonts. 


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