Variable: display-line-numbers-grow-only
display-line-numbers-grow-only is a customizable variable defined in
display-line-numbers.el.gz.
Value
nil
Documentation
If non-nil, do not shrink line number width.
This variable was added, or its default value changed, in Emacs 26.1.
Source Code
;; Defined in /usr/src/emacs/lisp/display-line-numbers.el.gz
(defcustom display-line-numbers-grow-only nil
"If non-nil, do not shrink line number width."
:group 'display-line-numbers
:type 'boolean
:version "26.1")