today we have these keywords:
As you want, for that, you or other people can propose a Pull Request (PR) similar to:
If that can help,Regards.
See a proposal here:
thanks a lot for taking into account the wanted feature!
The PR was approved and `exception` has now been implemented in last snapshot (v1.2022.6beta3+), with the plantuml-SNAPSHOT.jar.
Here is a first output: