Update copyright year to 2016

[gnu-emacs] / lisp / gnus / gnus-util.el

diff --git a/lisp/gnus/gnus-util.el b/lisp/gnus/gnus-util.el
index 526aa7785ca812bb4bfe2907488cb3209993d59a..82a267c9e11942e902f9b5bdb9490920cd2c71a0 100644 (file)
--- a/lisp/gnus/gnus-util.el
+++ b/lisp/gnus/gnus-util.el
@@ -1,6 +1,6 @@
 ;;; gnus-util.el --- utility functions for Gnus
 
-;; Copyright (C) 1996-2014 Free Software Foundation, Inc.
+;; Copyright (C) 1996-2016 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
@@ -853,10 +853,6 @@ If there's no subdirectory, delete DIRECTORY as well."
          (setq beg (point)))
        (gnus-put-text-property beg (point) prop val)))))
 
-(declare-function gnus-overlay-put  "gnus" (overlay prop value))
-(declare-function gnus-make-overlay "gnus"
-                  (beg end &optional buffer front-advance rear-advance))
-
 (defsubst gnus-put-overlay-excluding-newlines (beg end prop val)
   "The same as `put-text-property', but don't put this prop on any newlines in the region."
   (save-match-data
@@ -864,11 +860,9 @@ If there's no subdirectory, delete DIRECTORY as well."
       (save-restriction
        (goto-char beg)
        (while (re-search-forward gnus-emphasize-whitespace-regexp end 'move)
-         (gnus-overlay-put
-          (gnus-make-overlay beg (match-beginning 0))
-          prop val)
+         (overlay-put (make-overlay beg (match-beginning 0)) prop val)
          (setq beg (point)))
-       (gnus-overlay-put (gnus-make-overlay beg (point)) prop val)))))
+       (overlay-put (make-overlay beg (point)) prop val)))))
 
 (defun gnus-put-text-property-excluding-characters-with-faces (beg end prop val)
   "The same as `put-text-property', except where `gnus-face' is set.
@@ -1378,18 +1372,25 @@ Return the modified alist."
 
 (if (fboundp 'union)
     (defalias 'gnus-union 'union)
-  (defun gnus-union (l1 l2)
-    "Set union of lists L1 and L2."
+  (defun gnus-union (l1 l2 &rest keys)
+    "Set union of lists L1 and L2.
+If KEYS contains the `:test' and `equal' pair, use `equal' to compare
+items in lists, otherwise use `eq'."
     (cond ((null l1) l2)
          ((null l2) l1)
          ((equal l1 l2) l1)
          (t
           (or (>= (length l1) (length l2))
               (setq l1 (prog1 l2 (setq l2 l1))))
-          (while l2
-            (or (member (car l2) l1)
-                (push (car l2) l1))
-            (pop l2))
+          (if (eq 'equal (plist-get keys :test))
+              (while l2
+                (or (member (car l2) l1)
+                    (push (car l2) l1))
+                (pop l2))
+            (while l2
+              (or (memq (car l2) l1)
+                  (push (car l2) l1))
+              (pop l2)))
           l1))))
 
 (declare-function gnus-add-text-properties "gnus"
@@ -1492,7 +1493,7 @@ sure of changing the value of `foo'."
 (defvar gnus-directory-sep-char-regexp "/"
   "The regexp of directory separator character.
 If you find some problem with the directory separator character, try
-\"[/\\\\\]\" for some systems.")
+\"[/\\\\]\" for some systems.")
 
 (defun gnus-url-unhex (x)
   (if (> x ?9)
@@ -1575,8 +1576,10 @@ SPEC is a predicate specifier that contains stuff like `or', `and',
 
 
 (declare-function iswitchb-read-buffer "iswitchb"
-                 (prompt &optional default require-match start matches-set))
+                 (prompt &optional default require-match
+                         _predicate start matches-set))
 (defvar iswitchb-temp-buflist)
+(defvar iswitchb-mode)
 
 (defun gnus-iswitchb-completing-read (prompt collection &optional require-match
                                             initial-input history def)
@@ -1978,6 +1981,11 @@ to case differences."
               (string-equal (downcase str1) (downcase prefix))
             (string-equal str1 prefix))))))
 
+(defalias 'gnus-format-message
+  (if (fboundp 'format-message) 'format-message
+    ;; for Emacs < 25, and XEmacs, don't worry about quote translation.
+    'format))
+
 ;; Simple check: can be a macro but this way, although slow, it's really clear.
 ;; We don't use `bound-and-true-p' because it's not in XEmacs.
 (defun gnus-bound-and-true-p (sym)