[texhax] Misplaced parentheses

[Philipp Stephani]

Am 30.10.2010 um 13:09 schrieb Philip Taylor (Webmaster, Ret'd):

> 
> 
> Donald Arseneau wrote:
> 
>> 2) The character d in computer modern math italic has the wrong
>> bounding box. This is a typical Knutian ad-hoc-hack so that
>> "dx" looks like a differential instead of d times x.  Compare
>> $d\vrule = \l\vrule$.
> 
> I confess that, when I read this, I was shaken to the core.
> I know that one must expect one's idols to have feet of clay,
> but to learn that Don had fudged mathit "d" so that differentials
> would look better was not something that I had expected.

Interesting. This is something that I didn't know until now, too. Again, this doesn't happen with Cambria Math, and I think it would be better to have a dedicated \differential command than to modify bounding boxes for this single purpose.