; Respect 'completion-boundaries' in 'completions-auto-update'

* lisp/minibuffer.el (minibuffer-regexp-mode): Use new helper function
'minibuffer--completion-help' to compute completion boundaries.

diff --git a/lisp/minibuffer.el b/lisp/minibuffer.el
index bba3203ffa9727b6e1fbdcaf95d5ab484bafe424..e772486cf408f793838fed8215b3bc9fb8bd2854 100644 (file)
--- a/lisp/minibuffer.el
+++ b/lisp/minibuffer.el
@@ -5390,7 +5390,8 @@ This applies to `completions-auto-update-mode', which see."
   (when (get-buffer-window "*Completions*" 0)
     (if completion-in-region-mode
         (completion-help-at-point)
-      (minibuffer-completion-help)))
+      (let ((beg-end (minibuffer--completion-boundaries)))
+        (minibuffer-completion-help (car beg-end) (cdr beg-end)))))
   (setq completions-auto-update-timer nil))
 
 (defun completions-auto-update-start-timer ()