Variable: PC-meta-flag
PC-meta-flag is a customizable variable defined in complete.el.gz.
Value
t
Documentation
If non-nil, TAB means PC completion and M-TAB means normal completion.
Otherwise, TAB means normal completion and M-TAB means Partial Completion.
Source Code
;; Defined in /usr/src/emacs/lisp/obsolete/complete.el.gz
(defcustom PC-meta-flag t
"If non-nil, TAB means PC completion and M-TAB means normal completion.
Otherwise, TAB means normal completion and M-TAB means Partial Completion."
:type 'boolean)