strange behavior of ex constructor from string

[Christian Bauer]

Hi!

On Tue, Oct 24, 2000 at 05:08:09PM +0200, Bernard Parisse wrote:
> I didn't check for a correct syntax since every time I had something
> incorrect, I got Abort.

The input parser throws an exception when it encounters a syntax error. Printing
that exception might give a clue on what's wrong (OK, not in this case because
the expression is very long and all it says is 'parse error at ^').

Bye,
Christian

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