Re: Latin setupmathematics

["Hans Åberg" <haberg-1@telia.com>]

> On 17 Jun 2016, at 06:20, Alan BRASLAU <alan.braslau@cea.fr> wrote:
> 
> On Fri, 17 Jun 2016 01:02:48 +0200
> Hans Åberg <haberg-1@telia.com> wrote:
> 
>> The idea is avoiding clashes between variables and constants, like
>> this:
>> 
>> \starttext
>> 
>> \setupmathematics[default=normal]
>> 
>> $𝑒 = ∑_{𝑖=1}^∞ e^{i-𝑖}$
>> 
>> \setupmathematics[default=italic]
>> 
>> $𝑒 = ∑_{𝑖=1}^∞ e^{i-𝑖}$
> 
> Very, very poor mathematical style...
> 
> If you really want to use a variable "e", this would call for the use
> of the function \exp() to be readable.

Unicode has added characters to enable such writing. Also, \exp is already defined to “exp”, for example for the exponential map in differential geometry:
\startformula
  \exp_x: M_x → M
\stopformula

Here, the “:” expands in original TeX as a ratio operator, but Unicode has a special symbol for that, ∶ RATIO U+2236.


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