[NTG-context] \mathematics

[taco hoekwater]

Boris Tschirschwitz wrote:
> Hi.
> 
> When writing math I like avoiding $ whenever possible by defining my 
> math operators with \mathematics, e.g.
> \def\grp{\mathematics{G}}.
> So far I was using this like I use \EnsureMath in LaTeX, but now I'm 
> running into problems in MPgraphics:
> Texexec compiles the following file fine until I add the paragraph 
> called "Math in Math in MP". There it seems to somehow
> choke on too many $ and \relax.
> 
> Is there a better way to do such definitions?

I've changed my local definition of \mathematics to:

   \unexpanded\long\def\mathematics#1%
     {\relax\ifmmode#1\else $#1$\fi}

And that works nicely.

Cheers, Taco