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I added a frame parameter called sticky. Please try it.
1. Does this mean that the current frame size (and position?)
can be "pinned" (locked), so that frame sizing (and positioning?)
functions have no effect (unless the `sticky' frame parameter
is reset to nil)?
No. It means that in the presence of multiple virtual
desktops, the frame will appear in all of them.
I see.
FWIW - In that case, perhaps some other name should be used than "sticky",
something that more directly reflects the functionality (of displaying on all
virtual desktops).