hello!
i am working on a tool that will involve quite a lot of possible midi mappings and key bindings. the problem i run into is the limit on how deep hierarchies can go.
this prevents me from having a nicely organized set of different mappings. right now i would have to put everything in one big sausage. not nice at all.
so, please, if this is feasable and doesn’t need huge changes in the current codebase, i would be very thankful if you would set a higher limit, like 5-6 steps down. right now it seems to be 3-4, depending on the context. that may be enough if you just have a few mappings, but when you have a lot, it gets very unhandy.
what i also found out: when you try to go deeper, renoise.tool():add_keybinding() complains, while renoise.tool():add_midi_mapping() does not:
hitting the limit with renoise.tool():add_keybinding():
*** std::logic_error: 'invalid key binding entry: name should have the form 'scope:topic:name'. leading, trailing or doubled commas are also not allowed.'
*** stack traceback:
*** [C]: in function 'add_keybinding'
*** main.lua:75: in main chunk
hitting the limit with renoise.tool():add_midi_mapping():
in this image you also see my intentions 
4653 
cheers!