Variable: copy-region-blink-delay
copy-region-blink-delay is a customizable variable defined in
simple.el.gz.
Value
1
Documentation
Time in seconds to delay after showing the other end of the region.
It's used by the command kill-ring-save and the function
indicate-copied-region to blink the cursor between point and mark.
The value 0 disables blinking.
This variable was added, or its default value changed, in Emacs 28.1.
Probably introduced at or before Emacs version 28.1.
Source Code
;; Defined in /usr/src/emacs/lisp/simple.el.gz
(defcustom copy-region-blink-delay 1
"Time in seconds to delay after showing the other end of the region.
It's used by the command `kill-ring-save' and the function
`indicate-copied-region' to blink the cursor between point and mark.
The value 0 disables blinking."
:type 'number
:group 'killing
:version "28.1")