split?fork?if?swimlane? Bug?

Question

@startuml
title split?fork?if?swimlane? Bug

|swimlane1|
start
split
  :a;
split again
  :b;
end split

|swimlane1|
if(q?) then (yes)
|swimlane1|
  split
    :c;
    detach
|swimlane2|
  split again
    :d;
    detach
  end split
|swimlane1|
else
|swimlane2|
  fork
  fork again
    :e;
  end fork
endif

stop
@enduml

http://www.plantuml.com/plantuml/png/NP0nheCm341tdy8ZZF-FpH3KcwJWWDKGA36gAd7uXW22TB8TFpyhheAOIURUWR0umZ0w5cs7wQdPwl3ctXbF6kzp2x0SzTy2QGuI3eWtexOSJMlOhoyF1UIRJPYFiYrUkaJfo6FneL1cNSH36YMrIh4XCNLtOly9o_P5kCbWn7FzrKykq8zf_UuUhZvIkoJrOy8M8CWmGXMBUBCl

Answer 1

Thanks for the feedback : this should be partially solved in last official release ( http://plantuml.com/download )

Last beta http://beta.plantuml.net/plantuml.jar should completely fix the issue.
Tell us if you find some issues !