Variable: mouse-shift-adjust-mode
mouse-shift-adjust-mode is a customizable variable defined in
mouse.el.gz.
Value
nil
Documentation
Non-nil if Mouse-Shift-Adjust mode is enabled.
See the mouse-shift-adjust-mode(var)/mouse-shift-adjust-mode(fun) command
for a description of this minor mode.
Probably introduced at or before Emacs version 31.1.
Key Bindings
Source Code
;; Defined in /usr/src/emacs/lisp/mouse.el.gz
(define-minor-mode mouse-shift-adjust-mode
"Toggle mouse shift adjustment mode.
When this mode is enabled, clicking the left mouse button
with the <Shift> modifier (`S-down-mouse-1') adjusts the
already selected region using `mouse-drag-region-shift-adjust'."
:global t)