Remove some compat code from mm-*.el

* lisp/gnus/mm-bodies.el (mm-decode-body): Ditto.

* lisp/gnus/mm-decode.el (mm-tmp-directory)
(mm-valid-image-format-p): Remove compat code.

* lisp/gnus/mm-url.el (mm-url-insert-file-contents): Remove
"Connection" "Close" workaround for older Emacsen.

6 files changed, 11 insertions, 34 deletions

diff --git a/lisp/gnus/flow-fill.el b/lisp/gnus/flow-fill.el
index 904f031d0e4..d2881422475 100644
--- a/lisp/gnus/flow-fill.el
+++ b/lisp/gnus/flow-fill.el
@@ -157,7 +157,6 @@ RFC 2646 suggests 66 characters for readability."
             (condition-case nil
                 (let ((fill-prefix (when quote (concat quote " ")))
                       (fill-column (eval fill-flowed-display-column))
-                      filladapt-mode
                       adaptive-fill-mode)
                   (fill-region (point-at-bol)
                                (min (1+ (point-at-eol))
diff --git a/lisp/gnus/gnus-cite.el b/lisp/gnus/gnus-cite.el
index 08816637214..4f05d2ee9d5 100644
--- a/lisp/gnus/gnus-cite.el
+++ b/lisp/gnus/gnus-cite.el
@@ -527,7 +527,6 @@ longer than the frame width."
           (inhibit-point-motion-hooks t)
           (marks (gnus-dissect-cited-text))
           (adaptive-fill-mode nil)
-          (filladapt-mode nil)
           (fill-column (if width (prefix-numeric-value width) fill-column)))
       (save-restriction
         (while (cdr marks)
diff --git a/lisp/gnus/message.el b/lisp/gnus/message.el
index 46f01770480..f570ff4b065 100644
--- a/lisp/gnus/message.el
+++ b/lisp/gnus/message.el
@@ -656,10 +656,12 @@ variable should be a regexp or a list of regexps."
 (defun message-send-mail-function ()
   "Return suitable value for the variable `message-send-mail-function'."
   (cond ((and (require 'sendmail)
+              (boundp 'sendmail-program)
               sendmail-program
               (executable-find sendmail-program))
          'message-send-mail-with-sendmail)
         ((and (locate-library "smtpmail")
+              (boundp 'smtpmail-default-smtp-server)
               smtpmail-default-smtp-server)
          'message-smtpmail-send-it)
         ((locate-library "mailclient")
diff --git a/lisp/gnus/mm-bodies.el b/lisp/gnus/mm-bodies.el
index e07edd324fc..91e1a275338 100644
--- a/lisp/gnus/mm-bodies.el
+++ b/lisp/gnus/mm-bodies.el
@@ -259,10 +259,7 @@ decoding.  If it is nil, default to `mail-parse-charset'."
                    (or (not (eq coding-system 'ascii))
                        (setq coding-system mail-parse-charset)))
           (decode-coding-region (point-min) (point-max) coding-system))
-        (setq buffer-file-coding-system
-              (if (boundp 'last-coding-system-used)
-                  (symbol-value 'last-coding-system-used)
-                coding-system))))))
+        (setq buffer-file-coding-system last-coding-system-used)))))
 
 (defun mm-decode-string (string charset)
   "Decode STRING with CHARSET."
diff --git a/lisp/gnus/mm-decode.el b/lisp/gnus/mm-decode.el
index 28b08af2439..51fcd8bcd5b 100644
--- a/lisp/gnus/mm-decode.el
+++ b/lisp/gnus/mm-decode.el
@@ -382,12 +382,7 @@ enables you to choose manually one of two types those mails include."
   :type '(repeat regexp) ;; See `mm-preferred-alternative-precedence'.
   :group 'mime-display)
 
-(defcustom mm-tmp-directory
-  (if (fboundp 'temp-directory)
-      (temp-directory)
-    (if (boundp 'temporary-file-directory)
-        temporary-file-directory
-      "/tmp/"))
+(defcustom mm-tmp-directory temporary-file-directory
   "Where mm will store its temporary files."
   :type 'directory
   :group 'mime-display)
@@ -1587,8 +1582,7 @@ be determined."
 
 (defun mm-valid-image-format-p (format)
   "Say whether FORMAT can be displayed natively by Emacs."
-  (and (fboundp 'image-type-available-p)
-       (display-graphic-p)
+  (and (display-graphic-p)
        (image-type-available-p format)))
 
 (defun mm-valid-and-fit-image-p (format handle)
@@ -1787,8 +1781,7 @@ If RECURSIVE, search recursively."
 (defun mm-shr (handle)
   ;; Require since we bind its variables.
   (require 'shr)
-  (let ((shr-width (if (and (boundp 'shr-use-fonts)
-                            shr-use-fonts)
+  (let ((shr-width (if shr-use-fonts
                        nil
                      fill-column))
         (shr-content-function (lambda (id)
diff --git a/lisp/gnus/mm-url.el b/lisp/gnus/mm-url.el
index fb11d7a07f5..69192667948 100644
--- a/lisp/gnus/mm-url.el
+++ b/lisp/gnus/mm-url.el
@@ -276,19 +276,10 @@ If `mm-url-use-external' is non-nil, use `mm-url-program'."
             (insert-file-contents (substring url (1- (match-end 0))))
           (mm-url-insert-file-contents-external url))
         (goto-char (point-min))
-        (if (fboundp 'url-generic-parse-url)
-            (setq url-current-object
-                  (url-generic-parse-url url)))
+        (setq url-current-object (url-generic-parse-url url))
         (list url (buffer-size)))
     (mm-url-load-url)
     (let ((name buffer-file-name)
-          (url-request-extra-headers
-           ;; ISTM setting a Connection header was a workaround for
-           ;; older versions of url included with w3, but it does more
-           ;; harm than good with the one shipped with Emacs. --ansel
-           (if (not (and (boundp 'url-version)
-                         (equal url-version "Emacs")))
-               (list (cons "Connection" "Close"))))
           result)
       (setq result (url-insert-file-contents url))
       (save-excursion
@@ -296,10 +287,9 @@ If `mm-url-use-external' is non-nil, use `mm-url-program'."
         (while (re-search-forward "\r 1000\r ?" nil t)
           (replace-match "")))
       (setq buffer-file-name name)
-      (if (and (fboundp 'url-generic-parse-url)
-               (listp result))
-          (setq url-current-object (url-generic-parse-url
-                                    (car result))))
+      (when (listp result)
+        (setq url-current-object
+              (url-generic-parse-url (car result))))
       result)))
 
 ;;;###autoload
@@ -399,10 +389,7 @@ spaces.  Die Die Die."
           ((= char ?  ) "+")
           ((memq char mm-url-unreserved-chars) (char-to-string char))
           (t (upcase (format "%%%02x" char)))))
-       (encode-coding-string chunk
-                             (if (fboundp 'find-coding-systems-string)
-                                 (car (find-coding-systems-string chunk))
-                               buffer-file-coding-system))
+       (encode-coding-string chunk (car (find-coding-systems-string chunk)))
        "")))
 
 (defun mm-url-encode-www-form-urlencoded (pairs)