Hi there,
I (still) love your PlantUML.
This time I am missing some features on the state machine.
Please check this image:
https://de.wikipedia.org/wiki/Zustandsdiagramm_%28UML%29#/media/File:Uml-Zustandsdiagramm-6.svg
The features like pseudostates, like joins, forks, junctions, choicepoints are missing.
Greetings,
DaRolla