The following activity diagram does not draw correctly. If you comment out swimlane lines the drawing is correct.

Question

@startuml

Title Test Flow

|ERROR|

|PROCESS 1|

start

: Step 1;

if (Step 1 right?) then (no)

    |ERROR|

    : Error;

    stop

elseif (Skip?) then (no)

        |PROCESS 1|

        : Step 2;

        if (Still Valid?) then (no)

            |ERROR|

            : Error;

            stop

        else (yes)

        endif

        |PROCESS 1|

else (yes)

endif

|PROCESS 1|

: next step;

end

@enduml

Answer 1

Thanks for the report, and sorry about that.

The issue has been fixed in the following beta:
https://dl.dropboxusercontent.com/u/13064071/plantuml.jar

This will be published in next release.

Regards,