On http://plantuml.com/en/creole#tree, the tree example is broken: The vertical tree lines do not align.
Presumably, because it's shown in a title, which is always center justified.
BTW: Is there a way to render the title left-justified?
Just FYI, from V1.2020.9 (10 May, 2020), it seems to be corrected:
[Link to PlantUML online server]
See on doc.: https://plantuml.com/creole#3b0c14770e6bd663See also similar defect: https://forum.plantuml.net/11365/creole-trees-do-not-respect-indent-levels-component-diagram