FVWM: Change window decoration mouse button mapping for just one app?

Tom Horsley <[email protected]>
Newsgroups gmane.comp.window-managers.fvwm
Message-ID <20191211080114.5a5f7978@tomh> 
I'm trying to train myself to leave one specific app
running instead of clicking on the "close" button
in the window decorations. (There is a bug that
makes startup really slow).

Can I make the close button binding not do a close
just for one app? (If I really want to close it, I can
use File->Exit). Or even make the close button simply
not be there at all just for one app?
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