From 80ad57469a3128ca056b69f2f65b6fdcd712205e Mon Sep 17 00:00:00 2001
From: yamaoka <yamaoka>
Date: Thu, 26 Oct 2000 00:26:19 +0000
Subject: [PATCH] Synch with Gnus.

---
 lisp/ChangeLog    |   10 ++++++++++
 lisp/mm-decode.el |   13 ++++++++++++-
 lisp/rfc2047.el   |   26 ++++++++++++++++----------
 3 files changed, 38 insertions(+), 11 deletions(-)

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index ed26af4..fea6a23 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,13 @@
+2000-10-25 20:13:02  ShengHuo ZHU  <zsh@cs.rochester.edu>
+
+	* mm-decode.el (mm-viewer-completion-map): New.
+	(mm-interactively-view-part): Use it.
+
+2000-10-25 18:51:12  ShengHuo ZHU  <zsh@cs.rochester.edu>
+
+	* rfc2047.el (rfc2047-q-encode-region): Don't break if a QP-word
+	could be fitted in one line.
+
 2000-10-25  Dirk Meyer <dischi@tzi.de>
 
 	* gnus-demon.el (gnus-demon-time-to-step): theHour was set to
diff --git a/lisp/mm-decode.el b/lisp/mm-decode.el
index 19a79cd..c3b6113 100644
--- a/lisp/mm-decode.el
+++ b/lisp/mm-decode.el
@@ -218,6 +218,15 @@ to:
 ;; "message/rfc822".
 (defvar mm-dissect-default-type "text/plain")
 
+(defvar mm-viewer-completion-map
+  (let ((map (make-sparse-keymap 'mm-viewer-completion-map)))
+    (set-keymap-parent map minibuffer-local-completion-map)
+    map)
+  "Keymap for input viewer with completion.")
+
+;; Should we bind other key to minibuffer-complete-word?
+(define-key mm-viewer-completion-map " " 'self-insert-command) 
+
 ;;; The functions.
 
 (defun mm-dissect-buffer (&optional no-strict-mime)
@@ -709,7 +718,9 @@ external if displayed external."
 	 (methods
 	  (mapcar (lambda (i) (list (cdr (assoc 'viewer i))))
 		  (mailcap-mime-info type 'all)))
-	 (method (completing-read "Viewer: " methods)))
+	 (method (let ((minibuffer-local-completion-map
+			mm-viewer-completion-map))
+		   (completing-read "Viewer: " methods))))
     (when (string= method "")
       (error "No method given"))
     (if (string-match "^[^% \t]+$" method) 
diff --git a/lisp/rfc2047.el b/lisp/rfc2047.el
index d699a4b..fec54b4 100644
--- a/lisp/rfc2047.el
+++ b/lisp/rfc2047.el
@@ -372,22 +372,28 @@ Should be called narrowed to the head of the message."
   (save-excursion
     (save-restriction
       (narrow-to-region (goto-char b) e)
-      (let ((alist rfc2047-q-encoding-alist))
+      (let ((alist rfc2047-q-encoding-alist)
+	    (bol (save-restriction
+		   (widen)
+		   (gnus-point-at-bol))))
 	(while alist
 	  (when (looking-at (caar alist))
 	    (quoted-printable-encode-region b e nil (cdar alist))
 	    (subst-char-in-region (point-min) (point-max) ?  ?_)
 	    (setq alist nil))
 	  (pop alist))
-	(goto-char (1+ (point-min)))
-	(while (and (not (bobp)) (not (eobp)))
-	  (goto-char (min (point-max) (save-restriction
-					(widen)
-					;; THe QP encapsulation is about 20. 
-					(+ 56 (gnus-point-at-bol)))))
-	  (search-backward "=" (- (point) 2) t)
-	  (unless (or (bobp) (eobp))
-	    (insert "\n")))))))
+	;; The size of QP encapsulation is about 20, so set limit to
+	;; 56=76-20.
+	(unless (< (- (point-max) (point-min)) 56)
+	  ;; Don't break if it could fit in one line.
+	  ;; Let rfc2047-encode-region break it later.
+	  (goto-char (1+ (point-min)))
+	  (while (and (not (bobp)) (not (eobp)))
+	    (goto-char (min (point-max) (+ 56 bol)))
+	    (search-backward "=" (- (point) 2) t)
+	    (unless (or (bobp) (eobp))
+	      (insert "\n")
+	      (setq bol (point)))))))))
 
 ;;;
 ;;; Functions for decoding RFC2047 messages
-- 
1.7.10.4