Variable: org-fast-tag-selection-single-key
org-fast-tag-selection-single-key is a customizable variable defined
in org.el.gz.
Value
nil
Documentation
Non-nil means fast tag selection exits after first change.
When nil, you have to press RET to exit it.
During fast tag selection, you can toggle this flag with C-c.
This variable can also have the value expert. In this case, the window
displaying the tags menu is not even shown, until you press C-c again.
Source Code
;; Defined in /usr/src/emacs/lisp/org/org.el.gz
(defcustom org-fast-tag-selection-single-key nil
"Non-nil means fast tag selection exits after first change.
When nil, you have to press RET to exit it.
During fast tag selection, you can toggle this flag with `C-c'.
This variable can also have the value `expert'. In this case, the window
displaying the tags menu is not even shown, until you press `C-c' again."
:group 'org-tags
:type '(choice
(const :tag "No" nil)
(const :tag "Yes" t)
(const :tag "Expert" expert)))