Yep.
But according to the thread I mentioned above, there is a default behavior for plugin parameters and there is a dedicated behavior for ReaEQ, denoted in the "FX_EQ_..." lines.
IMHO it's not likely that the behavior for ReaEQ, and the detection that a certain plugin is a ReaEQ instance, is hard coded. And hence it should be possible to add customized behavior for other plugins, as well.
-Michael
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