Hi Sanjoy,
I agree with you to say that the position of subscripts and superscripts in
mkiv is not perfect: the same remark applies to the position of the derivative
sign « prime » as $u’(t)$.
Actually in mkii (and also in plain TeX) the positions of the superscripts in
your example are the same, but this is not the case with subscripts:
$x_{3}\ x\mathstrut_{3}$
that is in mkii the latter $x\mathstrut_{3}$ gives a lower subscript, while in
plain TeX both subscripts are positioned at an identical depth.
I would say the position of subscripts and superscripts in mkiv should be
identical with one gets with the latest beta (version 2014.03.20 16:59) in the
following example
\starttext
$x\mathstrut_{3}$ and $x\mathstrut^{3}$
\stoptext
However as Hans pointed out, regarding maths typesetting in mkiv there are also
some font related issues.
Best regards: OK
On 21 mars 2014, at 17:34, Sanjoy Mahajan <san...@mit.edu> wrote:
> Dear math typesetting aficianados,
>
> In the following example,
>
> \starttext
> $x^3\ x\mathstrut^3$
> \stoptext
>
> the superscript without the strut is about 2pt lower than with the
> strut, using MkIV. With MkII or plain TeX, they are the same height
> (at the higher position obtained by using the \mathstrut in MkIV).
>
> My eye tells me that the higher position looks more right. Do others
> agree? Or, if it's a matter of taste, is the difference configurable
> so that one can get the MkII behavior even without the \mathstrut?
>
> --
> -Sanjoy
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