On Tue, Mar 04, 2003 at 02:29:32PM +0100, Jean-Marc Lasgouttes wrote:
> 
> I converted with reLyX a document containing constructs like ${\cal
> A}$ (or even worse $\cal{A}$!) and ended up having things that look in
> mathed like ${\mathcal{A}}$.
> 
> First question: any math equation with this ert {} really has a big
> descent. Is this unavoidable?

Probably not. 

> It is particularly annoying when using
> instant preview. I failed to find which inset implements this {}, and
> so I finally gave up...

MathBraceInset

> Am I right that mathed cannot translate ${\cal A}$ to $\mathcal{A}$?
> Is it in the class of things that are too difficult to get right?

It would be possible. But this would break .tex -> .lyx -> .tex roundtrips.

Andre'

-- 
Those who desire to give up Freedom in order to gain Security,
will not have, nor do they deserve, either one. (T. Jefferson)

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