Added a lookahead for next marker getting pushed beyond 100% and there is no previous marker in the way. Falls back to the existing behaviour.
There are still some edge-cases if there are more markers crowded at the end, but fixing this would be more complex (contribution welcome).
closes #272
Added a lookahead for next marker getting pushed beyond 100% and there is no previous marker in the way. Falls back to the existing behaviour. There are still some edge-cases if there are more markers crowded at the end, but fixing this would be more complex (contribution welcome).