Constraints
All sequences must at least contain one mandatory step.
will always
go back to step that was practically executed right before, not to a theoretical step that could have been executed.
An abort option will always be available via the x-Button top right.
Optional steps shall preferably all be put at the end, so that we get a chain of optional steps that can be exited with a Done button whenever wanted.
is either available as listed in the following cases, or if all subsequent states are optional.
Back
Done