Is it possible to merge arrows?

[botkero]

Hi,
I am looking for the right code-to-diagram tool. I like D2, but I'm currently evaluating all tools according to how well they can display the following diagram.

This diagram is from blender (developer documentation) and is really well done imo. I tried to recreate it with PlantUML, but it's missing some features to recreate it completely. I think the diagram has everything you want from a code-to-diagram tool.

• Layouting
• Nested Components
• Arrows (plus merging)
• Text formatting

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Anyway, to get back to my question, is there a way to merge arrows like in the diagram? I couldn't find anything about this in the documentation and I couldn't find anything in the examples either.

In the issues I were unable to find anything too except for #1323, but not sure if its really related.