Hello PlantUML team,
After: https://forum.plantuml.net/11518/issues-with-final-separator-latex-math-expression-activity
And if we continue to test with SDL shape.
We observe some issues if the end of the content is egal to the final separator or for an example if we repeat the SDL final separator (from two or more times) with some ('<', '>', '/', ']', '}') end SDL separator (expect with '|' where all is OK):
[Click to the image to see on PlantUML server website]
If that can help to test,
Regards,
Th.