On 3/20/2021 9:23 PM, Aditya Mahajan wrote:
On Sat, 20 Mar 2021, Hans Hagen wrote:
On 3/20/2021 4:00 PM, Christoph Reller wrote:
On Sat, Mar 20, 2021 at 12:12 PM Hans Hagen <j.ha...@xs4all.nl
<mailto:j.ha...@xs4all.nl>> wrote:
On 3/20/2021 8:24 AM, Aditya Mahajan wrote:
> On Sat, 20 Mar 2021, Christoph Reller wrote:
>> Of course we can do this in lua:
>>
>> if tex.modes["A"] and not tex.modes{"B"] then
>> ...
>> end
>
> ... which means that you can use that at the context end as well
(old feature).
> Save the following as test.mkix (or add "% macros=mkix" as the
first line):
>
> ```
> \starttext
> <?lua if tex.modes["A"] and not tex.modes["B"] then ?>
> \starttyping
> A and not B
> \stoptyping
> <?lua else ?>
> \starttyping
> not (A and not B)
> \stoptyping
> <?lua end ?>
> \stoptext
a neat application!
Thank you for this hint, Aditya. This would be a very nice solution
indeed. But it does not seem to work:
% macros=mkix
\definemode[A][yes]
\starttext
\startluacode
if tex.modes['A'] then
context("A")
end
\stopluacode
<?lua if tex.modes['A'] then ?>
A
<?lua end ?>
\stoptext
With ConTeXt LMTX 2021.03.17 the output of the above is a single "A". I
would expect two. What am I doing wrong?
When the file gets preprocessed the mode is not known
context --mode=A foo.tex
it does of course also work when you set the mode in a parent file and
then include foo.tex
I wonder if we could have an environment, say \startluatemplate ...
\stopluatemplate, which is evaluated on the fly rather than when loading a file.
define 'evaluated on the fly'
Aditya
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