Am 04.10.2013 um 10:47 schrieb Procházka Lukáš Ing. - Pontex s. r. o.
<l...@pontex.cz>:
> Hello all,
>
> how to call \let from within Lua?
>
> I'd need to "\let\T=4" using Lua.
>
> The following code doesn't work (not so surprisingly):
>
> ----
> \startluacode
> a = 4
> \stopluacode
>
> \expandafter\let\expandafter\T=\cldcontext{a}
>
> \starttext
> Test \T.
> \stoptext
> ----
>
> What's the correct way?
You need more \expandafter because \cldcontext needs two expansion steps:
\expandafter\expandafter\expandafter\let\expandafter\expandafter\expandafter\T\expandafter\expandafter\expandafter=\cldcontext{a}
but I wonder why you don use \def or \edef:
\edef\T{\cldcontext{a}}
Wolfgang
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