@startumltitle split?fork?if?swimlane? Bug
|swimlane1|startsplit :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 forkendif
stop@enduml
http://www.plantuml.com/plantuml/png/NP0nheCm341tdy8ZZF-FpH3KcwJWWDKGA36gAd7uXW22TB8TFpyhheAOIURUWR0umZ0w5cs7wQdPwl3ctXbF6kzp2x0SzTy2QGuI3eWtexOSJMlOhoyF1UIRJPYFiYrUkaJfo6FneL1cNSH36YMrIh4XCNLtOly9o_P5kCbWn7FzrKykq8zf_UuUhZvIkoJrOy8M8CWmGXMBUBCl
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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 !