Support subtree include about groot HOT 5 OPEN

@facontidavide, any progress or thoughts?

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bumping this, would be nice to see progress here. Is there any? :)

I honestly cannot fathom why Groot has its own implementation of XML-parsing rather than letting BehaviorTree.CPP do that part and just use the resulting tree(s). This is doomed to always run into problems sooner or later.

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dear @kb0n , I don't have bandidth to support Groot anymore.

be my quest and submit a pull request

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The usual problem we all face unfortunately :)

I'll have the evaluate the urgency for us and see if can make up some capacities for tackling this.
Was there a particular reason for Groot to use its own parser? Just so I can avoid running into the same problems you already faced. Thanks!

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The main reason is that the original parser is use to create an instance of a Tree.

Groot is NOT supposed to create an instance of the tree, therefore I don't see how code reuse is even possible (spoiler alert: is not).

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