MSC: Issue with coregions
Create two instances with a message in a coregion:
If you move the head or the tail of the message, it sometimes goes out of the coregion and makes the coregion zone move up in the diagram
Create two instances with a message in a coregion:
If you move the head or the tail of the message, it sometimes goes out of the coregion and makes the coregion zone move up in the diagram