X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/d7aff0d6929c16d15992304dd44c5f528df8f895..0e963201d03d9229bb8ac4323291d2b0119526ed:/lisp/mh-e/mh-compat.el

diff --git a/lisp/mh-e/mh-compat.el b/lisp/mh-e/mh-compat.el
index b755572c95..10a8b6e219 100644
--- a/lisp/mh-e/mh-compat.el
+++ b/lisp/mh-e/mh-compat.el
@@ -1,6 +1,6 @@
 ;;; mh-compat.el --- make MH-E compatible with various versions of Emacs
 
-;; Copyright (C) 2006-2013 Free Software Foundation, Inc.
+;; Copyright (C) 2006-2016 Free Software Foundation, Inc.
 
 ;; Author: Bill Wohler <wohler@newt.com>
 ;; Maintainer: Bill Wohler <wohler@newt.com>
@@ -96,12 +96,18 @@ expected to return an integer."
 (defmacro mh-display-completion-list (completions &optional common-substring)
   "Display the list of COMPLETIONS.
 See documentation for `display-completion-list' for a description of the
-arguments COMPLETIONS and perhaps COMMON-SUBSTRING.
-This macro is used by Emacs versions that lack a COMMON-SUBSTRING
-argument, introduced in Emacs 22."
-  (if (< emacs-major-version 22)
-      `(display-completion-list ,completions)
-    `(display-completion-list ,completions ,common-substring)))
+arguments COMPLETIONS.
+The optional argument COMMON-SUBSTRING, if non-nil, should be a string
+specifying a common substring for adding the faces
+`completions-first-difference' and `completions-common-part' to
+the completions."
+  (cond ((< emacs-major-version 22) `(display-completion-list ,completions))
+        ((fboundp 'completion-hilit-commonality) ; Emacs 23.1 and later
+         `(display-completion-list
+           (completion-hilit-commonality ,completions
+                                         ,(length common-substring) nil)))
+        (t                              ; Emacs 22
+         `(display-completion-list ,completions ,common-substring))))
 
 (defmacro mh-face-foreground (face &optional frame inherit)
   "Return the foreground color name of FACE, or nil if unspecified.
@@ -156,7 +162,7 @@ compatibility with versions of Emacs that lack the variable
 
     (let* ((load-path (image-load-path-for-library \"mh-e\" \"mh-logo.xpm\"))
            (image-load-path (cons (car load-path)
-                                  (when (boundp 'image-load-path)
+                                  (when (boundp \\='image-load-path)
                                     image-load-path))))
       (mh-tool-bar-folder-buttons-init))"
   (unless library (error "No library specified"))