Re: A problem with autopunctuation

[Aditya Mahajan <adityam@umich.edu>]

On Sun, 4 Nov 2012, Wolfgang Schuster wrote:

>
> Am 03.11.2012 um 01:45 schrieb Marcin Borkowski <mbork@wmi.amu.edu.pl>:
>
>> If I get it correctly, the following two formulae should render
>> differently - and they don't.  What is going on?
>>
>> \setupmathematics[autopunctuation=yes]
>>
>> \starttext
>>
>> $(2,5)$ versus $(2, 5)$
>>
>> \stoptext
>
> Spaces in math mode are ignored because the spacing is controlled by different rules.
>
> \starttext
>
> \m{1.2}\par
> \m{1. 2}\par
> \m{1 .2}\par
> \m{1 . 2}\par
>
> \blank
>
> \m{1,2}
>
> \blank
>
> \setupmathematics[autopunctuation=yes]\m{1,2}
>
> \stoptext

I always thought that autopunctuation was targetted towards the European 
tradition of using comma as a decimal separator. That behavior can be 
achieved by changing a comma to be an "ord" from a "punctuation". 
However, changing the comma to an "ord" has the drawback that you have to 
explicitly add spaces when comma is needed as a punctuation, for example 
in  sets:

    \m{A = \{a,\, b,\, c\}}

Autopunctuation is supposed to get around this: if comma is followed by a 
non-space, the comma should behave like an "ord"; if it is followed by a 
space, it should behave like a "punctuation". Clearly that is not 
happening.

Aditya
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