pgfkeysearch – Find keys in a given path ‘recursively’

The command \pgfkeysvalueof, unlike \pgfkeys, does not use the .unknown handler, but raises an error if a key is not defined in the given path. It neither offers an option to search for the key in other paths.

This package defines commands that allow to retrieve the value of a key, recursively searching for it in a list of paths.

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