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-rw-r--r--lisp/subr.el3
1 files changed, 3 insertions, 0 deletions
diff --git a/lisp/subr.el b/lisp/subr.el
index db69a3f6f5b..fac2398a795 100644
--- a/lisp/subr.el
+++ b/lisp/subr.el
@@ -1719,6 +1719,9 @@ by doing (clear-string STRING)."
;; This should be used by `call-interactively' for `n' specs.
(defun read-number (prompt &optional default)
+ "Read a numeric value in the minibuffer, prompting with PROMPT.
+DEFAULT specifies a default value to return if the user just types RET.
+The value of DEFAULT is inserted into PROMPT."
(let ((n nil))
(when default
(setq prompt