Variable: delete-frame-choose-selected
delete-frame-choose-selected is a customizable variable defined in
frame.c.
Value
mru
Documentation
What frame to select after frame deletion.
The value mru means delete-frame selects most recently used frame.
If this is nil, delete-frame will select the oldest visible frame on
the same terminal.
This variable was added, or its default value changed, in Emacs 31.1.
Probably introduced at or before Emacs version 31.1.
Source Code
// Defined in /usr/src/emacs/src/frame.c
DEFVAR_LISP ("delete-frame-choose-selected",
delete_frame_choose_selected,
doc: /* What frame to select after frame deletion.
The value `mru' means `delete-frame' selects most recently used frame.
If this is nil, `delete-frame' will select the oldest visible frame on
the same terminal. */);