print_latex() bug

[Christian Bauer]

Hi!

On Wed, Oct 23, 2002 at 10:53:47AM +0200, Alessandro Zaccagnini wrote:
> the expression `p' is assigned the value  1/2-1/2*I, but then it is
> transformed into the following latex form: \frac{1}{2}\frac{-1}{2} i

Fixed. Negative fractions are now output as -\frac{n}{d} instead of
\frac{-n}{d} (the rest of the code seemed to expect this behavior; this
is why the plus sign was missing).

Bye,
Christian

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