Variable: electric-quote-string
electric-quote-string is a customizable variable defined in
electric.el.gz.
Documentation
Non-nil means to use electric quoting in program strings.
This variable was added, or its default value changed, in Emacs 25.1.
Source Code
;; Defined in /usr/src/emacs/lisp/electric.el.gz
(defcustom electric-quote-string nil
"Non-nil means to use electric quoting in program strings."
:version "25.1"
:type 'boolean :safe 'booleanp :group 'electricity)