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[Hammer Functor <address@hidden>]

Hi there,

I’m trying to write some documents containing a lot of commutative diagrams, 
while the diagram created by tikz with default width looks large. I looked 
around to find some methods to define the default size or some function to 
modify the tree (like in-graphics? or get-graphical-object) and find nothing.

And possibly another question. How to unfold a specific `executable fold’? To 
keep the codes with diagrams, I have to press F10 many times to revert a 
former diagram to the code each time when I want to modify them. So is there 
any workaround?

Thanks!

Sincerely,
Hammer Hu