"Window Grouping" a-la Fluxbox and PekWM

[JBHoren]

Hello. Any new progress on this issue?

I was looking at PekWM and was impressed with its "window grouping" feature -- it's a capability that would enhance my long-time (now more than a dozen years) use and enjoyment of JWM. Please?

Originally posted by @JBHoren in https://github.com/joewing/jwm/issues/422#issuecomment-2204219217