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* lisp/subr.el (read-char-from-minibuffer): Doc fix. (Bug#44451)

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Eli Zaretskii 2020-11-07 11:10:36 +02:00
parent 9899f74e4e
commit 9da0f4026c
1 changed files with 7 additions and 5 deletions
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12
lisp/subr.el
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@ -2712,12 +2712,14 @@ Also discard all previous input in the minibuffer."
(defvar empty-history)
(defun read-char-from-minibuffer (prompt &optional chars history)
"Read a character from the minibuffer, prompting for PROMPT.
"Read a character from the minibuffer, prompting for it with PROMPT.
Like `read-char', but uses the minibuffer to read and return a character.
When CHARS is non-nil, any input that is not one of CHARS is ignored.
When HISTORY is a symbol, then allows navigating in a history.
The navigation commands are `M-p' and `M-n', with `RET' to select
a character from history."
Optional argument CHARS, if non-nil, should be a list of characters;
the function will ignore any input that is not one of CHARS.
Optional argument HISTORY, if non-nil, should be a symbol that
specifies the history list variable to use for navigating in input
history using `M-p' and `M-n', with `RET' to select a character from
history."
(let* ((empty-history '())
(map (if (consp chars)
(or (gethash chars read-char-from-minibuffer-map-hash)