Taco Hoekwater schrieb am 01.09.2020 um 19:12:
> Hi,
>
>> On 1 Sep 2020, at 16:46, Hans Hagen <j.hagen@xs4all.nl> wrote:
>>
>> On 9/1/2020 3:04 PM, Fabrice Couvreur wrote:
>>> Hi Taco,
>>> Thank you for your help. I specify that this extension works perfectly by compiling the following file.
> A logfile of a failed run would have been more helpful in trying to track down the problem. But I did notice that there is a LaTeX file loaded in your succesful run. So perhaps the extension depends on LaTeX

I looked for the file online [1] and it uses LaTeX commands (even 
begin/end blocks) for all text boxes.

[1] https://melusine.eu.org/syracuse/poulecl/mp-scratch/

Wolfgang