Trying to add a repeat in a swim lane but the repeat node is missing (Using .1.2020.17)
|SW1|startrepeat :R1;repeat while (R1?):R2;|SW2|:R3;
Results in the following:
The node appears when removing the 2nd swim lane.
Thanks for your report and with the new version 1.2020.18, this is fixed.
Thanks for the works of the PlantUML team,Regards,Th.