* exwm-workspace.el (exwm-workspace--remove-frame-as-workspace):
Add optional argument quit.
* exwm-background.el (exwm-background--exit):
* exwm-input.el (exwm-input--exit):
* exwm-manage.el (exwm-manage--unmanage-window):
* exwm-systemtray.el (exwm-systemtray--exit):
* exwm-workspace.el (exwm-workspace--exit-minibuffer-frame)
(exwm-workspace--exit):
* exwm-xim.el (exwm-xim--exit): Observe connection status when
deinitializing in order to support deinitializing when the
connection breaks.
When enabled, EXWM will automatically set the background color either
the user-specified color, or theme's default background color. This will
even work with compositors such as picom.
* background.el: add it.
* exwm-core (exwm--intern-atom): optionally take a conn.
