What is a "proper ancestor" in a tree? (Dominator Tree)

Revision en2, by efenomas, 2023-06-05 14:43:48

I'm currently reading this blog in order to learn Dominator Tree:

https://tanujkhattar.wordpress.com/2016/01/11/dominator-tree-of-a-directed-graph/

And I don't understand what it means by "proper ancestor". Could somebody please explain this to me?

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en2 English efenomas 2023-06-05 14:43:48 17
en1 English efenomas 2023-06-05 03:52:41 293 Initial revision (published)