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