On Thu, Mar 5, 2020 at 5:36 PM Aditya Mahajan <adityam@umich.edu> wrote:

> On Thu, 5 Mar 2020, Hans Hagen wrote:
>
> > On 3/4/2020 11:44 PM, Weber, Matthias wrote:
> >> Dear List,
> >>
> >> \starttext
> >> \startformula
> >> \left(f\right)'' = f''
> >> \stopformula
> >> \stoptext
> >>
> >> has the second apostrophe set too low. This is in MKIV on ConTeXt live
> as
> > well as in my slightly older version.
> >> What is the “right” way to typeset a second derivative?
> > you have to turn on
> >
> > \setupmathematics
> >   [collapsing=3]
> >
> > but it has the side effect of also collapsing more:
> >
> > $x'' >= 10$
> >
> > (which is why the mechanism is currently turned off by default)
> >
> > i'll think about an option that only does some specific ones only
> >
> > (btw, i love tex but these primes are a bit painful due to th eorriginal
> > approach which has lead mixtures of (1) raised in the font and/or raised
> > in the engine, (2) them being superscripts but not really, (3) fonts
> > therefore doing it inconsistently, (4) some parsing related to multiple
> > scripts, (5) double, tripple, etc primes being real unicode characters
> > but spaced singles in traditional tex (which itself then introduces some
> > size juggling) ... i could proabbly write a few pages about it)
>
> So what's the best way to input them: using \prime, \prime\prime, etc.?
>
>
> Aditya___________________________________________________________________________________
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>

And what is the way if one also want indices:

$f''_{xx}$ or $f_{xx}''$ or ... ?

I want the indices under the primes

/Mikael