[texhax] differences between \frac and \over

[Lars Madsen]

Chris Bourke :

>
>
> I was wondering if anyone knew the internal differences between
>
> \frac{1}{2}
>
> and
>
> {1 \over 2}
>
> because they appear to be visually identical.
>

frac is  (in amsmath) internally defined using \over, the \frac is 
prefered since it has a more strait (right word?) forward syntax, 
especially when nesting fractions.

-- 

/daleif

``You cannot help men permanently by doing for them 
what they could and should do for themselves. ''
  -- Abraham Lincoln