Bug Fix: When port with added node in the cluster crashes PlantUML#1

Merged

arnaudroques merged 1 commit intoplantuml:masterfrom himi:HFix-Cluster-PortLabel-1

Jun 18, 2020

+2-2

Commits on Jun 18, 2020

* Cluster (printInternal): if hasPort(), put empty() node with label even if added is null because ports need a label.
himi
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