[texhax] Badly placed \widehat

[Philip Taylor (Webmaster, Ret'd)]

Michael Barr wrote:

> \documentstyle{article}
> \def\bbrack#1{[\![#1]\!]}
> \begin{document}
> $\bbrack{\widehat c =\widehat d}$
> \end{document}
>
> Yes, I could add extra space after the argument, but that is a real
> kludge. My real question is why can't I get the \widehat to actually be
> centered over its argument. As you can see, it starts halfway along the
> "d" and ends well to the right. This is also true of the one on the "c"
> so it is not just centering over an ascender.

Is it not centered w.r.t. the italic slope ?
** Phil.