Wolfgang Werners-Lucchini wrote:
> Hallo,
>
> I have a few silly questions about
>
> tex.print()
>
> To produce
>
> $\sqrt{2}=1.4142135623731$
>
> it should be enough to write
>
> tex.print("$\\sqrt{2}=" .. math.sqrt(2) .. "$")
this is because \\ can mean anything, for instance it may expand to \par
or \crlf or ..
there is a \luaescapestring primitive which catches things like quotes
tex.print("\detokenize{$\sqrt{2}=}" .. math.sqrt(2) .. "$")
may also work ok
> or better
>
> tex.print([[$\sqrt{2}=]] .. math.sqrt(2) .. "$")
>
> but that's both not working. The following instead does the job:
>
> tex.print("$\string\\sqrt{2}=" .. math.sqrt(2) .. "$")
>
> why?
>
> Another question:
>
> What is the differenz between 'tex.sprint()' and 'tex.write()'?
tokenization under a catcode regime versus writing strings
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