From: Wolfgang Schuster <schuster.wolfgang@googlemail.com>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: Problem calling Lua during \startsetups
Date: Tue, 25 Jan 2011 09:34:43 +0100 [thread overview]
Message-ID: <687AABEF-5154-45F8-B703-551F6D934642@gmail.com> (raw)
In-Reply-To: <op.vputvws9wshuv7@lpr>
Am 25.01.2011 um 09:00 schrieb Procházka Lukáš Ing. - Pontex s. r. o.:
> Thank you, Wolfgang, this works better.
>
> Actually I need to use '%' in the condition and that fails:
>
> ---
> ...
> \startrawsetups layer
> % The value of 'n' is used here to set the appropriate background,
> % = n-th page of a PDF, and also to draw a filled rectangle on
> % the left or right side (depending on whether n is even or odd)
>
> % The code bellow fails
>
> \startluacode
> print("N=", n)
>
> if n % 2 == 1 then
>
> else
>
> end
> \stopluacode
> \stoprawsetups
> ...
> ---
>
> with:
>
> ---
> ! LuaTeX error <main ctx instance>:1: 'then' expected near 'else'.
> ---
>
> So like '%' was still treated as TeX comment char.
>
> How to enable '%'?
You can’t use % in the luacode environment when you write it inside
of another environment because TeX can change the meaning of % but
this should works (untested):
\startbuffer[lualayer]
% …
\startluacode
…
\stopluacode
\stopbuffer
\doifmode{foo}{\ctxluabuffer[lualayer]}
Wolfgang
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next prev parent reply other threads:[~2011-01-25 8:34 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-25 7:33 Procházka Lukáš Ing. - Pontex s. r. o.
2011-01-25 7:44 ` Wolfgang Schuster
2011-01-25 8:00 ` Procházka Lukáš Ing. - Pontex s. r. o.
2011-01-25 8:34 ` Wolfgang Schuster [this message]
2011-01-25 8:33 ` Hans Hagen
2011-01-25 13:01 ` Procházka Lukáš Ing. - Pontex s. r. o.
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