emacs-31 8b32d77a078: Fix defcustom type of 'dframe-update-speed'

branch: emacs-31
commit 8b32d77a0781d1bd94ae89a1cb5039ab454d7adc
Author: Daniel Mendler <[email protected]>
Commit: Eli Zaretskii <[email protected]>

    Fix defcustom type of 'dframe-update-speed'
    
    * lisp/dframe.el (dframe-update-speed): Generalize type from integer to
    number and update docstring.  (Bug#81560)
---
 lisp/dframe.el | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/lisp/dframe.el b/lisp/dframe.el
index 08dd8aa873c..ac5a32f20f7 100644
--- a/lisp/dframe.el
+++ b/lisp/dframe.el
@@ -127,10 +127,11 @@ is not useful to the user.")
 
 (defcustom dframe-update-speed 1
   "Idle time in seconds needed before dframe will update itself.
-Updates occur to allow dframe to display directory information
-relevant to the buffer you are currently editing."
+Updates occur to allow dframe to display directory information relevant
+to the buffer you are currently editing.  The value can be an integer or
+float since it is passed to `run-with-idle-timer'."
   :group 'dframe
-  :type 'integer)
+  :type 'number)
 
 (defcustom dframe-activity-change-focus-flag nil
   "Non-nil means the selected frame will change based on activity.