Variable: comint-completion-recexact
comint-completion-recexact is a customizable variable defined in
comint.el.gz.
Value
nil
Documentation
If non-nil, use shortest completion if characters cannot be added.
This mirrors the optional behavior of tcsh.
A non-nil value is useful if comint-completion-autolist is non-nil too.
Probably introduced at or before Emacs version 19.23.
Source Code
;; Defined in /usr/src/emacs/lisp/comint.el.gz
(defcustom comint-completion-recexact nil
"If non-nil, use shortest completion if characters cannot be added.
This mirrors the optional behavior of tcsh.
A non-nil value is useful if `comint-completion-autolist' is non-nil too."
:type 'boolean
:group 'comint-completion)