Variable: comint-save-input-ring-index
comint-save-input-ring-index is a variable defined in comint.el.gz.
Value
nil
Documentation
Last input ring index which you copied.
This is to support the command M-x comint-get-next-from-history (comint-get-next-from-history).
Source Code
;; Defined in /usr/src/emacs/lisp/comint.el.gz
(defvar comint-save-input-ring-index nil
"Last input ring index which you copied.
This is to support the command \\[comint-get-next-from-history].")