On Sun, May 15, 2016 at 10:10 AM, Hans Åberg <haberg-1@telia.com> wrote:

>
> > On 14 May 2016, at 23:26, Aditya Mahajan <adityam@umich.edu> wrote:
>
> >>> Use
> >>> \startformula\relax
> >>> ...
> >>> \stopformula
> >>
> >> Just about anything seems to work:
> >> I put in an empty group
> >> \startformula{}
> >> ...
> >> \stopformula
> >
> > Be careful with empty group in math mode:
> >
> > \startformula{}     -a \stopformula
> > \startformula\relax -a \stopformula
>
> A good example, illustrating a difference between \relax and {}, whatever
> it may be. I used it just to save some typing in a workaround. It must
> start with an integral sign having at least one limit:
> \startformula       ∫_a f φ\stopformula
> \startformula{}     ∫_a f φ\stopformula
> \startformula\,     ∫_a f φ\stopformula
> \startformula\relax ∫_a f φ\stopformula
>
> Without limits, I get too much space after the integral sign:
> \startformula       ∫ f φ\stopformula
>
>
Maybe it's a little unkown but under
standalone-mkiv-experimental/tex/texmf-context/tex/context/interface/mkiv
there is i-formula.xml
$>context i-formula.xml


-- 
luigi