[PD-dev] representing parent patch levels as args

[Hans-Christoph Steiner]

So I am just adding support to canvas_name and window_name for  
getting the names from other canvases besides the current one, i.e.  
parent, toplevel, etc.  I am using the now standard numeric notation  
that is used in [getdir], iemguts, getdollarzero, etc.

What I am wondering is whether it is worth it to add symbol versions  
of those names too, like "parent" and "toplevel".  Or perhaps it  
would also be useful to be able to stick the name of a canvas there  
too, like 'pd-mysubpatch' or 'pd-canvas_name-help.pd'.  What are  
people's thoughts on making that part of the standard technique of  
looking up these kinds of things?

.hc

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