On 01 Jun 2000 11:53:10 -0500, Dave Thomas <Dave / thomases.com> wrote:
>Aleksi Niemel<aleksi.niemela / cinnober.com> writes:
>
>> I think the code example uses only one '-' and my Ruby seems to understand
>> only that version.
>
>Thanks - that's a typographic thing that slipped through the filter -
>the '--' sequence is an en-dash in TeX, which we use for the minus
>operator--a single hyphen is too small.

That's very bad TeX; you should use $-$, to get a proper math minus.

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