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In message <> you wrote:

> > there's no technical reason why lua couldn't permit ?, !, ???, and so forth.
> And it's pretty easy to do in Lua 5.2: just copy and edit lctype.c and
> add it to your project.

RiscLua uses ?,!,$ in a way that is intended to keep BBC BASIC users
happy. They are empty tables with metamethods, so that ?[adr],![adr],$[adr]
correspond in usage to BBC BASIC's ?adr,!adr,$adr.

Gavin Wraith (
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