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.

I'll fix it next time I format.


Dave