* comint.el (comint-dynamic-simple-complete):

Use variable `stub' for the second arg `common-substring'
of `comint-dynamic-list-completions'.
(comint-dynamic-list-filename-completions):
Use variable `filenondir' for the second arg `common-substring'
of `comint-dynamic-list-completions'.
(comint-dynamic-list-completions): Add new optional arg
`common-substring'. Add `common-substring' as the
second arg of the call to `display-completion-list'.  Doc fix.

1 files changed, 6 insertions, 4 deletions

diff --git a/lisp/comint.el b/lisp/comint.el
index 748006b1b2b..2a872e4fb99 100644
--- a/lisp/comint.el
+++ b/lisp/comint.el
@@ -2972,7 +2972,7 @@ See also `comint-dynamic-complete-filename'."
                    ((or comint-completion-autolist
                         (string-equal stub completion))
                     ;; It's not unique, list possible completions.
-                    (comint-dynamic-list-completions completions)
+                    (comint-dynamic-list-completions completions stub)
                     'listed)
                    (t
                     (unless minibuffer-p
@@ -2998,7 +2998,8 @@ See also `comint-dynamic-complete-filename'."
             (minibuffer-message (format " [No completions of %s]" filename))
           (message "No completions of %s" filename))
       (comint-dynamic-list-completions
-       (mapcar 'comint-quote-filename completions)))))
+       (mapcar 'comint-quote-filename completions)
+       filenondir))))
 
 
 ;; This is bound locally in a *Completions* buffer to the list of
@@ -3008,8 +3009,9 @@ See also `comint-dynamic-complete-filename'."
 
 (defvar comint-dynamic-list-completions-config nil)
 
-(defun comint-dynamic-list-completions (completions)
+(defun comint-dynamic-list-completions (completions &optional common-substring)
   "List in help buffer sorted COMPLETIONS.
+The meaning of COMMON-SUBSTRING is the same as in `display-completion-list'.
 Typing SPC flushes the help buffer."
   (let ((window (get-buffer-window "*Completions*" 0)))
     (setq completions (sort completions 'string-lessp))
@@ -3041,7 +3043,7 @@ Typing SPC flushes the help buffer."
       (setq comint-dynamic-list-completions-config
             (current-window-configuration))
       (with-output-to-temp-buffer "*Completions*"
-        (display-completion-list completions))
+        (display-completion-list completions common-substring))
       (if (window-minibuffer-p (selected-window))
           (minibuffer-message " [Type space to flush; repeat completion command to scroll]")
         (message "Type space to flush; repeat completion command to scroll")))