Merged from miles@gnu.org--gnu-2005 (patch 17-26, 107-116)

Patches applied:

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-107
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-108
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-109
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-110
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-111
   Merge from gnus--rel--5.10

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-112
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-113
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-114
   <no summary provided>

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-115
   Update from CVS

 * miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-116
   Update from CVS

 * miles@gnu.org--gnu-2005/gnus--rel--5.10--patch-17
   Update from CVS

 * miles@gnu.org--gnu-2005/gnus--rel--5.10--patch-18
   Update from CVS

 * miles@gnu.org--gnu-2005/gnus--rel--5.10--patch-19
   Update from CVS

 * miles@gnu.org--gnu-2005/gnus--rel--5.10--patch-20
   Merge from emacs--cvs-trunk--0

 * miles@gnu.org--gnu-2005/gnus--rel--5.10--patch-21
   More work on moving images to etc/images

 * miles@gnu.org--gnu-2005/gnus--rel--5.10--patch-22
   Update from CVS

 * miles@gnu.org--gnu-2005/gnus--rel--5.10--patch-23
   Fix errors with image-file installation

 * miles@gnu.org--gnu-2005/gnus--rel--5.10--patch-24
   etc/Makefile.in (install): Put gnus-tut.txt in the right place.

 * miles@gnu.org--gnu-2005/gnus--rel--5.10--patch-25
   etc/Makefile.in (install, uninstall): Fix installed image dirs.

 * miles@gnu.org--gnu-2005/gnus--rel--5.10--patch-26
   etc/Makefile.in (install): Create $(etcdir)/images/gnus dir.

git-archimport-id: lorentey@elte.hu--2004/emacs--multi-tty--0--patch-296

39 files changed, 716 insertions, 219 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 39b29326077..5a1494c1deb 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,136 @@
+2005-02-20  Jonathan Yavner  <jyavner@member.fsf.org>
+
+        * ses.el (undo-more): restore defadvice, but only the part that
+        allows changes outside the restricted area of the buffer.
+
+2005-02-20  Kim F. Storm  <storm@cua.dk>
+
+        * simple.el (line-move): Add fourth optional arg try-vscroll which
+        must be set to perform auto-window-vscroll.
+        When moving backwards and doing auto-window-vscroll, automatically
+        vscroll to the last part of lines which are taller than the window.
+        (next-line, previous-line): Set try-vscroll arg on line-move.
+
+2005-02-19  Dan Nicolaescu  <dann@ics.uci.edu>
+
+        * replace.el (query-replace, query-replace-regexp)
+        (replace-string, replace-regexp): When operating on region, make
+        the minibuffer prompt say so.
+
+        * isearch.el (isearch-forward): Document isearch-query-replace and
+        isearch-query-replace-regexp keybindings.
+
+2005-02-19  Jay Belanger  <belanger@truman.edu>
+
+        * calc/calc-aent.el (math-read-token): Add local variable.
+
+        * calc/calc-prog.el (calc-user-define-edit): Add local variable.
+        (calc-edit-top): Move declaration to earlier in file.
+        (calc-edit-macro-repeats): Add local variables.
+
+        * calc/calcalg2.el: Add differentiation rule for calcFunc-coth.
+        Adjust differentiation rules for calcFunc-tan, calcFunc-cot,
+        calcFunc-tanh.
+        Adjust integration rule for calcFunc-tan.
+
+2005-02-19  Michael Kifer  <kifer@cs.stonybrook.edu>
+
+        * viper-cmd.el (viper-prefix-commands): Make into a defconst.
+        (viper-exec-buffer-search): Use regexp-quote to quote buffer string.
+        (viper-minibuffer-setup-sentinel): Make some variables buffer-local.
+        (viper-skip-separators): Bug fix.
+        (viper-set-searchstyle-toggling-macros): Allow to unset macros in a
+        particular major mode.
+        (viper-del-backward-char-in-replace): Don't put deleted char on the
+        kill ring.
+
+        * viper-ex.el (viper-color-display-p): New function.
+        (viper-has-face-support-p): Use viper-color-display-p.
+
+        * viper-keym.el (viper-gnus-modifier-map): New keymap.
+
+        * viper-macs.el (viper-unrecord-kbd-macro): Bug fix.
+
+        * viper-util.el (viper-glob-unix-files): Fix shell status check.
+        (viper-file-remote-p): Make equivalent to file-remote-p.
+
+        * viper.el (viper-major-mode-modifier-list): Use
+        viper-gnus-modifier-map.
+
+2005-02-19  David Kastrup  <dak@gnu.org>
+
+        * subr.el (subregexp-context-p): Fix garbled doc string by adding
+        quoting.
+
+2005-02-19  Jay Belanger  <belanger@truman.edu>
+
+        * calc/calc-math.el (calc-arctan, calc-tanh, calc-arctanh):
+        Removed extra definitions.
+        (calc-coth): New function.
+        (calcFunc-cot): Fix `let'.
+
+2005-02-19  Eli Zaretskii  <eliz@gnu.org>
+
+        * faces.el (escape-glyph, minibuffer-prompt): Add commentary for
+        the reasons we use "type pc" in these faces.
+
+        * button.el (button): Ditto.
+
+2005-02-19  Michael Mauger  <mmaug@yahoo.com>
+
+        * replace.el (query-replace-read-from): Set the value of
+        query-replace-from-history-variable to handle the case of an empty
+        string entered to accept the suggested default.
+
+        * net/tramp.el (tramp-file-name-for-operation): Use
+        dired-call-process instead of dired-call-process-command.
+
+2005-02-19  Jay Belanger  <belanger@truman.edu>
+
+        * calc/calc-arith.el (math-trig-inverses, math-div-trig)
+        (math-div-non-trig): New variables.
+        (math-combine-prod-trig, math-div-new-trig, math-div-new-non-trig)
+        (math-div-isolate-trig, math-div-isolate-trig-term): New functions.
+        (math-combine-prod, math-div-symb-fancy): Add simplifications for
+        trig expressions.
+
+2005-02-19  Nick Roberts  <nickrob@snap.net.nz>
+
+        * progmodes/gdb-ui.el (gdb-var-update-handler)
+        (gdb-speedbar-timer-fn): Ensure speedbar updates with new values
+        for watch expressions,
+        (gdb-var-create-handler): Don't set speedbar-update-flag.
+        (gdb-post-prompt): Simplify test for speedbar.
+
+2005-02-19  Michael Kifer  <kifer@cs.stonybrook.edu>
+
+        * ediff.el (ediff-set-diff-overlays-in-one-buffer,
+        ediff-set-fine-overlays-in-one-buffer,ediff-goto-word) make sure
+        we use the syntax table of the correct buffer.
+        (ediff-same-file-contents,ediff-same-contents): enhancements thanks to
+        Felix Gatzemeier.
+
+        * ediff-init.el (ediff-hide-face): checks for definedness of functions.
+        (ediff-file-remote-p): make synonymous with file-remote-p.
+        In all deffaces ediff-*-face-*, use min-colors.
+
+        * ediff-mult.el (ediff-meta-mark-equal-files): make use of
+        ediff-recurse-to-subdirectories.
+        (ediff-mark-if-equal): check that the arguments are strings, use
+        ediff-same-contents (after to Felix Gatzemeier).
+
+        * ediff.el (ediff-merge-on-startup): don't set buffer-modified-p to
+        nil.
+
+2005-02-18  Stefan Monnier  <monnier@iro.umontreal.ca>
+
+        * log-view.el (log-view-message-re): Fix up Subversion regexp.
+
+2005-02-18  David Kastrup  <dak@gnu.org>
+
+        * progmodes/meta-mode.el (meta-mark-active): Fix condition to just
+        use `mark-active' when defined.
+
 2005-02-18  Kenichi Handa  <handa@m17n.org>
 
         * ps-print.el (ps-font-info-database): New entry
@@ -88,8 +221,8 @@
 
 2005-02-15  Lute Kamstra  <lute@gnu.org>
 
-        * emacs-lisp/lisp-mode.el (lisp-mode-variables): Add
-        ;;;###autoload to `outline-regexp'.  Suggested by Stefan Monnier
+        * emacs-lisp/lisp-mode.el (lisp-mode-variables):
+        Add ;;;###autoload to `outline-regexp'.  Suggested by Stefan Monnier
         <monnier@iro.umontreal.ca>
         (lisp-outline-level): Improve efficiency.  Suggested by David
         Kastrup <dak@gnu.org>.
@@ -164,7 +297,7 @@
         * simple.el (eval-expression-print-format):
         Avoid warning about edebug-active.
 
-        * help.el (help-for-help-internal): Renamed from help-for-help.
+        * help.el (help-for-help-internal): Rename from help-for-help.
         (help-for-help): Define with defalias.
 
         * font-core.el (font-lock-default-function): Use with-no-warnings.
@@ -197,7 +330,7 @@
 2005-02-09  Nick Roberts  <nickrob@snap.net.nz>
 
         * progmodes/gdb-ui.el (gdb-location-list): New variable.
-        (gdb-cdir): Delete
+        (gdb-cdir): Delete.
         (gdb-info-breakpoints-custom, gdb-goto-breakpoint)
         (gdb-source-info): Treat case when source file is in another
         directory properly.
@@ -208,8 +341,7 @@
         * calc/calc-prog.el (calc-write-parse-table-part)
         (calc-fix-token-name): Fix a check for language type.
 
-        * calc/calccomp.el (math-compose-expr): Fix a check for language
-        type.
+        * calc/calccomp.el (math-compose-expr): Fix a check for language type.
 
 2005-02-07  Andre Spiegel  <spiegel@gnu.org>
 
diff --git a/lisp/button.el b/lisp/button.el
index dcd26846d10..5f9b5094e6c 100644
--- a/lisp/button.el
+++ b/lisp/button.el
@@ -50,6 +50,7 @@
 
 ;; Globals
 
+;; Use color for the MS-DOS port because it doesn't support underline.
 (defface button '((((type pc) (class color))
                    (:foreground "lightblue"))
                   (t :underline t))
diff --git a/lisp/calc/calc-aent.el b/lisp/calc/calc-aent.el
index 9a693a18466..e174d81c41d 100644
--- a/lisp/calc/calc-aent.el
+++ b/lisp/calc/calc-aent.el
@@ -784,7 +784,8 @@ in Calc algebraic input.")
                    math-exp-pos (match-end 0)
                    math-expr-data (math-restore-dashes
                              (math-match-substring math-exp-str 1)))
-             (let ((code (assoc math-expr-data math-tex-ignore-words)))
+             (let ((code (assoc math-expr-data math-tex-ignore-words))
+                   envname)
                (cond ((null code))
                      ((null (cdr code))
                       (math-read-token))
@@ -801,8 +802,8 @@ in Calc algebraic input.")
                                  (string= envname "bmatrix")
                                  (string= envname "smallmatrix")
                                  (string= envname "pmatrix"))
-                             (if (setq j (string-match (concat "\\\\end{" envname "}")
-                                               math-exp-str math-exp-pos))
+                             (if (string-match (concat "\\\\end{" envname "}")
+                                               math-exp-str math-exp-pos)
                                  (setq math-exp-str 
                                        (replace-match "]" t t math-exp-str))
                                (error "%s" (concat "No closing \\end{" envname "}"))))))
diff --git a/lisp/calc/calc-arith.el b/lisp/calc/calc-arith.el
index 38c10f5cc9f..d9acc2ebc52 100644
--- a/lisp/calc/calc-arith.el
+++ b/lisp/calc/calc-arith.el
@@ -1609,6 +1609,50 @@
             (math-reject-arg b "*Division by zero"))
         a))))
 
+;; For math-div-symb-fancy
+(defvar math-trig-inverses
+  '((calcFunc-sin . calcFunc-csc)
+    (calcFunc-cos . calcFunc-sec)
+    (calcFunc-tan . calcFunc-cot)
+    (calcFunc-sec . calcFunc-cos)
+    (calcFunc-csc . calcFunc-sin)
+    (calcFunc-cot . calcFunc-tan)
+    (calcFunc-sinh . calcFunc-csch)
+    (calcFunc-cosh . calcFunc-sech)
+    (calcFunc-tanh . calcFunc-coth)
+    (calcFunc-sech . calcFunc-cosh)
+    (calcFunc-csch . calcFunc-sinh)
+    (calcFunc-coth . calcFunc-tanh)))
+
+(defvar math-div-trig)
+(defvar math-div-non-trig)
+
+(defun math-div-new-trig (tr)
+  (if math-div-trig
+      (setq math-div-trig
+            (list '* tr math-div-trig))
+    (setq math-div-trig tr)))
+
+(defun math-div-new-non-trig (ntr)
+  (if math-div-non-trig
+      (setq math-div-non-trig 
+            (list '* ntr math-div-non-trig))
+    (setq math-div-non-trig ntr)))
+
+(defun math-div-isolate-trig (expr)
+  (if (eq (car-safe expr) '*)
+      (progn
+        (math-div-isolate-trig-term (nth 1 expr))
+        (math-div-isolate-trig (nth 2 expr)))
+    (math-div-isolate-trig-term expr)))
+
+(defun math-div-isolate-trig-term (term)
+  (let ((fn (assoc (car-safe term) math-trig-inverses)))
+    (if fn
+        (math-div-new-trig
+         (cons (cdr fn) (cdr term)))
+      (math-div-new-non-trig term))))
+
 (defun math-div-symb-fancy (a b)
   (or (and math-simplify-only
            (not (equal a math-simplify-only))
@@ -1667,6 +1711,15 @@
                     (list 'calcFunc-idn (math-div a (nth 1 b))))
                (and (math-known-matrixp a)
                     (math-div a (nth 1 b)))))
+      (and math-simplifying
+           (let ((math-div-trig nil)
+                 (math-div-non-trig nil))
+             (math-div-isolate-trig b)
+             (if math-div-trig
+                 (if math-div-non-trig
+                     (math-div (math-mul a math-div-trig) math-div-non-trig)
+                   (math-mul a math-div-trig))
+               nil)))
       (if (and calc-matrix-mode
                (or (math-known-matrixp a) (math-known-matrixp b)))
           (math-combine-prod a b nil t nil)
@@ -2674,6 +2727,8 @@
          invb
          (math-looks-negp (nth 2 b)))
     (math-mul a (math-pow (nth 1 b) (math-neg (nth 2 b)))))
+   ((and math-simplifying
+         (math-combine-prod-trig a b)))
    (t (let ((apow 1) (bpow 1))
         (and (consp a)
              (cond ((and (eq (car a) '^)
@@ -2771,6 +2826,83 @@
                             (math-pow a apow)
                           (inexact-result (list '^ a apow)))))))))))
 
+(defun math-combine-prod-trig (a b)
+  (cond
+   ((and (eq (car-safe a) 'calcFunc-sin)
+         (eq (car-safe b) 'calcFunc-csc)
+         (= 0 (math-simplify (math-sub (cdr a) (cdr b)))))
+    1)
+   ((and (eq (car-safe a) 'calcFunc-sin)
+         (eq (car-safe b) 'calcFunc-sec)
+         (= 0 (math-simplify (math-sub (cdr a) (cdr b)))))
+    (cons 'calcFunc-tan (cdr a)))
+   ((and (eq (car-safe a) 'calcFunc-sin)
+         (eq (car-safe b) 'calcFunc-cot)
+         (= 0 (math-simplify (math-sub (cdr a) (cdr b)))))
+    (cons 'calcFunc-cos (cdr a)))
+   ((and (eq (car-safe a) 'calcFunc-cos)
+         (eq (car-safe b) 'calcFunc-sec)
+         (= 0 (math-simplify (math-sub (cdr a) (cdr b)))))
+    1)
+   ((and (eq (car-safe a) 'calcFunc-cos)
+         (eq (car-safe b) 'calcFunc-csc)
+         (= 0 (math-simplify (math-sub (cdr a) (cdr b)))))
+    (cons 'calcFunc-cot (cdr a)))
+   ((and (eq (car-safe a) 'calcFunc-cos)
+         (eq (car-safe b) 'calcFunc-tan)
+         (= 0 (math-simplify (math-sub (cdr a) (cdr b)))))
+    (cons 'calcFunc-sin (cdr a)))
+   ((and (eq (car-safe a) 'calcFunc-tan)
+         (eq (car-safe b) 'calcFunc-cot)
+         (= 0 (math-simplify (math-sub (cdr a) (cdr b)))))
+    1)
+   ((and (eq (car-safe a) 'calcFunc-tan)
+         (eq (car-safe b) 'calcFunc-csc)
+         (= 0 (math-simplify (math-sub (cdr a) (cdr b)))))
+    (cons 'calcFunc-sec (cdr a)))
+   ((and (eq (car-safe a) 'calcFunc-sec)
+         (eq (car-safe b) 'calcFunc-cot)
+         (= 0 (math-simplify (math-sub (cdr a) (cdr b)))))
+    (cons 'calcFunc-csc (cdr a)))
+   ((and (eq (car-safe a) 'calcFunc-sinh)
+         (eq (car-safe b) 'calcFunc-csch)
+         (= 0 (math-simplify (math-sub (cdr a) (cdr b)))))
+    1)
+   ((and (eq (car-safe a) 'calcFunc-sinh)
+         (eq (car-safe b) 'calcFunc-sech)
+         (= 0 (math-simplify (math-sub (cdr a) (cdr b)))))
+    (cons 'calcFunc-tanh (cdr a)))
+   ((and (eq (car-safe a) 'calcFunc-sinh)
+         (eq (car-safe b) 'calcFunc-coth)
+         (= 0 (math-simplify (math-sub (cdr a) (cdr b)))))
+    (cons 'calcFunc-cosh (cdr a)))
+   ((and (eq (car-safe a) 'calcFunc-cosh)
+         (eq (car-safe b) 'calcFunc-sech)
+         (= 0 (math-simplify (math-sub (cdr a) (cdr b)))))
+    1)
+   ((and (eq (car-safe a) 'calcFunc-cosh)
+         (eq (car-safe b) 'calcFunc-csch)
+         (= 0 (math-simplify (math-sub (cdr a) (cdr b)))))
+    (cons 'calcFunc-coth (cdr a)))
+   ((and (eq (car-safe a) 'calcFunc-cosh)
+         (eq (car-safe b) 'calcFunc-tanh)
+         (= 0 (math-simplify (math-sub (cdr a) (cdr b)))))
+    (cons 'calcFunc-sinh (cdr a)))
+   ((and (eq (car-safe a) 'calcFunc-tanh)
+         (eq (car-safe b) 'calcFunc-coth)
+         (= 0 (math-simplify (math-sub (cdr a) (cdr b)))))
+    1)
+   ((and (eq (car-safe a) 'calcFunc-tanh)
+         (eq (car-safe b) 'calcFunc-csch)
+         (= 0 (math-simplify (math-sub (cdr a) (cdr b)))))
+    (cons 'calcFunc-sech (cdr a)))
+   ((and (eq (car-safe a) 'calcFunc-sech)
+         (eq (car-safe b) 'calcFunc-coth)
+         (= 0 (math-simplify (math-sub (cdr a) (cdr b)))))
+    (cons 'calcFunc-csch (cdr a)))
+   (t
+    nil)))
+
 (defun math-mul-or-div (a b ainv binv)
   (if (or (Math-vectorp a) (Math-vectorp b))
       (math-normalize
diff --git a/lisp/calc/calc-math.el b/lisp/calc/calc-math.el
index d2c66c34d49..ffb7644cdfe 100644
--- a/lisp/calc/calc-math.el
+++ b/lisp/calc/calc-math.el
@@ -236,21 +236,10 @@
        (calc-unary-op "coth" 'calcFunc-coth arg)
      (calc-unary-op "cot" 'calcFunc-cot arg))))
 
-(defun calc-arctan (arg)
-  (interactive "P")
-  (calc-invert-func)
-  (calc-tan arg))
-
-(defun calc-tanh (arg)
+(defun calc-coth (arg)
   (interactive "P")
   (calc-hyperbolic-func)
-  (calc-tan arg))
-
-(defun calc-arctanh (arg)
-  (interactive "P")
-  (calc-invert-func)
-  (calc-hyperbolic-func)
-  (calc-tan arg))
+  (calc-cot arg))
 
 (defun calc-arctan2 ()
   (interactive)
@@ -991,11 +980,11 @@
          (or (math-with-extra-prec 2
                (let* ((xx (math-to-radians (math-float x)))
                       (na (math-floor (math-div (nth 2 xx) (math-pi))))
-                      (nb (math-floor (math-div (nth 3 xx) (math-pi))))
+                      (nb (math-floor (math-div (nth 3 xx) (math-pi)))))
                  (and (equal na nb)
                       (math-sort-intv (nth 1 x)
                                       (math-cot-raw (nth 2 xx))
-                                      (math-cot-raw (nth 3 xx)))))))
+                                      (math-cot-raw (nth 3 xx))))))
              '(intv 3 (neg (var inf var-inf)) (var inf var-inf))))
         ((equal x '(var nan var-nan))
          x)
diff --git a/lisp/calc/calc-prog.el b/lisp/calc/calc-prog.el
index 640fa5b665c..05ec668cce9 100644
--- a/lisp/calc/calc-prog.el
+++ b/lisp/calc/calc-prog.el
@@ -671,7 +671,8 @@
 (defun calc-user-define-edit ()
   (interactive)  ; but no calc-wrapper!
   (message "Edit definition of command: z-")
-  (let* ((key (read-char))
+  (let* (cmdname
+         (key (read-char))
          (def (or (assq key (calc-user-key-map))
                   (assq (upcase key) (calc-user-key-map))
                   (assq (downcase key) (calc-user-key-map))
@@ -720,17 +721,19 @@
 
 ;; Formatting the macro buffer
 
+(defvar calc-edit-top)
+
 (defun calc-edit-macro-repeats ()
   (goto-char calc-edit-top)
   (while
       (re-search-forward "^\\([0-9]+\\)\\*" nil t)
-    (setq num (string-to-int (match-string 1)))
-    (setq line (buffer-substring (point) (line-end-position)))
-    (goto-char (line-beginning-position))
-    (kill-line 1)
-    (while (> num 0)
-      (insert line "\n")
-      (setq num (1- num)))))
+    (let ((num (string-to-int (match-string 1)))
+          (line (buffer-substring (point) (line-end-position))))
+      (goto-char (line-beginning-position))
+      (kill-line 1)
+      (while (> num 0)
+        (insert line "\n")
+        (setq num (1- num))))))
 
 (defun calc-edit-macro-adjust-buffer ()
   (calc-edit-macro-repeats)
@@ -916,7 +919,6 @@
     (delete-char 3)
     (insert "<return>")))
 
-(defvar calc-edit-top)
 (defun calc-edit-macro-finish-edit (cmdname key)
   "Finish editing a Calc macro.
 Redefine the corresponding command."
diff --git a/lisp/calc/calcalg2.el b/lisp/calc/calcalg2.el
index d5a9009c1ac..a422ed33e45 100644
--- a/lisp/calc/calcalg2.el
+++ b/lisp/calc/calcalg2.el
@@ -408,9 +408,9 @@
 
 (put 'calcFunc-tan\' 'math-derivative-1
      (function (lambda (u) (math-to-radians-2
-                            (math-div 1 (math-sqr
-                                         (math-normalize
-                                          (list 'calcFunc-cos u))))))))
+                            (math-sqr
+                             (math-normalize
+                              (list 'calcFunc-sec u)))))))
 
 (put 'calcFunc-sec\' 'math-derivative-1
      (function (lambda (u) (math-to-radians-2 
@@ -432,9 +432,9 @@
 (put 'calcFunc-cot\' 'math-derivative-1
      (function (lambda (u) (math-neg
                             (math-to-radians-2
-                             (math-div 1 (math-sqr
-                                          (math-normalize
-                                           (list 'calcFunc-sin u)))))))))
+                             (math-sqr
+                              (math-normalize
+                               (list 'calcFunc-csc u))))))))
 
 (put 'calcFunc-arcsin\' 'math-derivative-1
      (function (lambda (u)
@@ -461,9 +461,9 @@
      (function (lambda (u) (math-normalize (list 'calcFunc-sinh u)))))
 
 (put 'calcFunc-tanh\' 'math-derivative-1
-     (function (lambda (u) (math-div 1 (math-sqr
-                                        (math-normalize
-                                         (list 'calcFunc-cosh u)))))))
+     (function (lambda (u) (math-sqr
+                            (math-normalize
+                             (list 'calcFunc-sech u))))))
 
 (put 'calcFunc-sech\' 'math-derivative-1
      (function (lambda (u) (math-neg
@@ -477,11 +477,11 @@
                              (math-normalize (list 'calcFunc-csch u))
                              (math-normalize (list 'calcFunc-coth u)))))))
 
-(put 'calcFunc-tanh\' 'math-derivative-1
+(put 'calcFunc-coth\' 'math-derivative-1
      (function (lambda (u) (math-neg
-                            (math-div 1 (math-sqr
-                                         (math-normalize
-                                          (list 'calcFunc-sinh u))))))))
+                            (math-sqr
+                             (math-normalize
+                              (list 'calcFunc-csch u)))))))
 
 (put 'calcFunc-arcsinh\' 'math-derivative-1
      (function (lambda (u)
@@ -1664,8 +1664,8 @@
 
 (math-defintegral calcFunc-tan
   (and (equal u math-integ-var)
-       (math-neg (math-from-radians-2
-                  (list 'calcFunc-ln (list 'calcFunc-cos u))))))
+       (math-from-radians-2
+        (list 'calcFunc-ln (list 'calcFunc-sec u)))))
 
 (math-defintegral calcFunc-sec
   (and (equal u math-integ-var)
diff --git a/lisp/ediff-diff.el b/lisp/ediff-diff.el
index 4ba4ab316f8..c41d733aaca 100644
--- a/lisp/ediff-diff.el
+++ b/lisp/ediff-diff.el
@@ -534,6 +534,7 @@ one optional arguments, diff-number to refine.")
 (defun ediff-set-diff-overlays-in-one-buffer (buf-type diff-list)
   (let* ((current-diff -1)
          (buff (ediff-get-buffer buf-type))
+         (ctl-buf ediff-control-buffer)
          ;; ediff-extract-diffs puts the type of diff-list as the first elt
          ;; of this list. The type is either 'points or 'words
          (diff-list-type (car diff-list))
@@ -580,8 +581,9 @@ one optional arguments, diff-number to refine.")
       (if (eq diff-list-type 'words)
           (progn
             (ediff-with-current-buffer buff (goto-char pt-saved))
-            (setq begin (ediff-goto-word (1+ begin) buff)
-                  end (ediff-goto-word end buff 'end))
+            (ediff-with-current-buffer ctl-buf
+              (setq begin (ediff-goto-word (1+ begin) buff)
+                    end (ediff-goto-word end buff 'end)))
             (if (> end limit) (setq end limit))
             (if (> begin end) (setq begin end))
             (setq pt-saved (ediff-with-current-buffer buff (point)))))
@@ -864,6 +866,7 @@ delimiter regions"))
   (let* ((current-diff -1)
          (reg-start (ediff-get-diff-posn buf-type 'beg region-num))
          (buff (ediff-get-buffer buf-type))
+         (ctl-buf ediff-control-buffer)
          combined-merge-diff-list
          diff-overlay-list list-element
          begin end overlay)
@@ -892,8 +895,9 @@ delimiter regions"))
             () ; skip this diff
           ;; Put overlays at appropriate places in buffers
           ;; convert lines to points, if necessary
-          (setq begin (ediff-goto-word (1+ begin) buff)
-                end (ediff-goto-word end buff 'end))
+          (ediff-with-current-buffer ctl-buf
+            (setq begin (ediff-goto-word (1+ begin) buff)
+                  end (ediff-goto-word end buff 'end)))
           (setq overlay (ediff-make-bullet-proof-overlay begin end buff))
           ;; record all overlays for this difference region
           (setq diff-overlay-list (nconc diff-overlay-list (list overlay))))
@@ -1326,17 +1330,73 @@ arguments to `skip-chars-forward'."
         (while (> n 1)
           (funcall fwd-word-fun)
           (skip-chars-forward ediff-whitespace)
-          (setq n (1- n))))
-      (if (and flag (> n 0))
-          (funcall fwd-word-fun))
+          (setq n (1- n)))
+        (if (and flag (> n 0))
+            (funcall fwd-word-fun)))
       (point))))
 
 (defun ediff-same-file-contents (f1 f2)
-  "Return t if F1 and F2 have identical contents."
-  (let ((res
-         (apply 'call-process ediff-cmp-program nil nil nil
-                (append ediff-cmp-options (list f1 f2)))))
-    (and (numberp res) (eq res 0))))
+  "Return t if files F1 and F2 have identical contents."
+  (if (and (not (file-directory-p f1))
+           (not (file-directory-p f2)))
+      (let ((res
+             (apply 'call-process ediff-cmp-program nil nil nil
+                    (append ediff-cmp-options (list f1 f2)))))
+        (and (numberp res) (eq res 0))))
+  )
+
+
+(defun ediff-same-contents (d1 d2 &optional filter-re)
+  "Returns t iff D1 and D2 have the same content.
+D1 and D2 can either be both directories or both regular files.
+Symlinks and the likes are not handled.
+If FILTER-RE is non-nil, recursive checking in directories
+affects only files whose names match the expression."
+  ;; Normalize empty filter RE to nil.
+  (unless (length filter-re) (setq filter-re nil))
+  ;; Indicate progress
+  (message "Comparing '%s' and '%s' modulo '%s'" d1 d2 filter-re)
+  (cond
+   ;; D1 & D2 directories => recurse
+   ((and (file-directory-p d1)
+         (file-directory-p d2))
+    (if (null ediff-recurse-to-subdirectories)
+        (if (y-or-n-p "Compare subdirectories recursively? ")
+            (setq ediff-recurse-to-subdirectories 'yes)
+          (setq ediff-recurse-to-subdirectories 'no)))
+    (if (eq ediff-recurse-to-subdirectories 'yes)
+        (let* ((all-entries-1 (directory-files d1 t filter-re))
+               (all-entries-2 (directory-files d2 t filter-re))
+               (entries-1 (remove-if (lambda (s)
+                                       (string-match "^\\.\\.?$"
+                                                     (file-name-nondirectory s))) 
+                                     all-entries-1))
+               (entries-2 (remove-if (lambda (s)
+                                       (string-match "^\\.\\.?$"
+                                                     (file-name-nondirectory s)))
+                                     all-entries-2))
+               )
+          ;; First, check only the names (works quickly and ensures a
+          ;; precondition for subsequent code)
+          (if (and (= (length entries-1) (length entries-2))
+                   (every (lambda (a b) (equal (file-name-nondirectory a)
+                                               (file-name-nondirectory b)))
+                          entries-1 entries-2))
+              ;; With name equality established, compare the entries
+              ;; through recursion.
+              (every (lambda (a b)
+                       (ediff-same-contents a b filter-re))
+                     entries-1 entries-2)
+            )
+          ))
+    ) ; end of the directories case
+   ;; D1 & D2 are both files => compare directly
+   ((and (file-regular-p d1)
+         (file-regular-p d2))
+    (ediff-same-file-contents d1 d2))
+   ;; Otherwise => false: unequal contents
+   )
+  )
 
 
 ;;; Local Variables:
diff --git a/lisp/ediff-init.el b/lisp/ediff-init.el
index 80beb4a872d..46e94e935f7 100644
--- a/lisp/ediff-init.el
+++ b/lisp/ediff-init.el
@@ -895,7 +895,8 @@ to temp files when Ediff needs to find fine differences."
          (sit-for 1)))))
 
 (defun ediff-hide-face (face)
-  (if (and (ediff-has-face-support-p) (boundp 'add-to-list)
+  (if (and (ediff-has-face-support-p)
+           (boundp 'add-to-list)
            (boundp 'facemenu-unlisted-faces))
       (add-to-list 'facemenu-unlisted-faces face)))
 
@@ -1404,7 +1405,7 @@ This property can be toggled interactively."
 ;;; Misc
 
 ;; if nil, this silences some messages
-(defvar ediff-verbose-p t)
+(defconst ediff-verbose-p t)
 
 (defcustom ediff-autostore-merges  'group-jobs-only
   "*Save the results of merge jobs automatically.
@@ -1473,11 +1474,8 @@ This default should work without changes."
 (ediff-defvar-local ediff-temp-file-C nil "")
 
 
-;; If file-remote-p is defined (as in XEmacs, use it. Otherwise, check
-;; if find-file-name-handler is defined for 'file-local-copy
 (defun ediff-file-remote-p (file-name)
-  (or (and (fboundp 'file-remote-p) (file-remote-p file-name))
-      (find-file-name-handler file-name 'file-local-copy)))
+  (file-remote-p file-name))
 
 ;; File for which we can get attributes, such as size or date
 (defun ediff-listable-file (file-name)
diff --git a/lisp/ediff-mult.el b/lisp/ediff-mult.el
index cf6edc2d129..41a7699cfdc 100644
--- a/lisp/ediff-mult.el
+++ b/lisp/ediff-mult.el
@@ -1,6 +1,6 @@
 ;;; ediff-mult.el --- support for multi-file/multi-buffer processing in Ediff
 
-;; Copyright (C) 1995, 96, 97, 98, 99, 2000, 01, 02 Free Software Foundation, Inc.
+;; Copyright (C) 1995, 96, 97, 98, 99, 2000, 01, 02, 05 Free Software Foundation, Inc.
 
 ;; Author: Michael Kifer <kifer@cs.stonybrook.edu>
 
@@ -167,6 +167,9 @@ directories.")
 ;; buffer used to collect custom diffs from individual sessions in the group
 (ediff-defvar-local ediff-meta-diff-buffer nil "")
 
+;; t means recurse into subdirs when deciding which files have same contents
+(ediff-defvar-local ediff-recurse-to-subdirectories nil "")
+
 ;; history var to use for filtering groups of files
 (defvar ediff-filtering-regexp-history nil "")
 
@@ -2349,6 +2352,7 @@ last-command-char is used to decide which action to take."
                 ))
       (setq list (cdr list)))
     (message "Comparing files ... Done"))
+  (setq ediff-recurse-to-subdirectories nil)
   (ediff-update-meta-buffer (current-buffer) 'must-redraw))
 
 ;; mark files 1 and 2 as equal, if they are.
@@ -2356,12 +2360,11 @@ last-command-char is used to decide which action to take."
 (defun ediff-mark-if-equal (fileinfo1 fileinfo2)
   (let ((f1 (car fileinfo1))
         (f2 (car fileinfo2)))
-    (cond ((file-directory-p f1) nil)
-          ((file-directory-p f2) nil)
-          ((ediff-same-file-contents f1 f2)
-           (ediff-set-file-eqstatus fileinfo1 t)
-           (ediff-set-file-eqstatus fileinfo2 t)
-           t))
+    (if (and (stringp f1) (stringp f2) (ediff-same-contents f1 f2))
+        (progn
+          (ediff-set-file-eqstatus fileinfo1 t)
+          (ediff-set-file-eqstatus fileinfo2 t)
+          ))
     ))
 
 
diff --git a/lisp/ediff.el b/lisp/ediff.el
index c98974923f1..2a2b481ec59 100644
--- a/lisp/ediff.el
+++ b/lisp/ediff.el
@@ -1,13 +1,13 @@
 ;;; ediff.el --- a comprehensive visual interface to diff & patch
 
-;; Copyright (C) 1994, 95, 96, 97, 98, 99, 2000, 01, 02, 03 Free Software Foundation, Inc.
+;; Copyright (C) 1994, 95, 96, 97, 98, 99, 2000, 01, 02, 03, 05 Free Software Foundation, Inc.
 
 ;; Author: Michael Kifer <kifer@cs.stonybrook.edu>
 ;; Created: February 2, 1994
 ;; Keywords: comparing, merging, patching, tools, unix
 
-(defconst ediff-version "2.78" "The current version of Ediff")
-(defconst ediff-date "May 18, 2003" "Date of last update")  
+(defconst ediff-version "2.80" "The current version of Ediff")
+(defconst ediff-date "February 19, 2005" "Date of last update")  
 
 
 ;; This file is part of GNU Emacs.
@@ -1080,8 +1080,11 @@ lines.  For small regions, use `ediff-regions-wordwise'."
 
 (defsubst ediff-merge-on-startup ()
   (ediff-do-merge 0)
-  (ediff-with-current-buffer ediff-buffer-C
-    (set-buffer-modified-p nil)))
+  ;; Can't remember why this is here, but it may cause the automatically merged
+  ;; buffer to be lost. So, keep the buffer modified.
+  ;;(ediff-with-current-buffer ediff-buffer-C
+  ;;  (set-buffer-modified-p nil))
+  )
 
 ;;;###autoload
 (defun ediff-merge-files (file-A file-B
diff --git a/lisp/emulation/viper-cmd.el b/lisp/emulation/viper-cmd.el
index eb5e5ede4c7..8023336b18b 100644
--- a/lisp/emulation/viper-cmd.el
+++ b/lisp/emulation/viper-cmd.el
@@ -1063,7 +1063,7 @@ as a Meta key and any number of multiple escapes is allowed."
 
     ;; call the actual function to execute ESC (if no other symbols followed)
     ;; or the key bound to the ESC sequence (if the sequence was issued
-    ;; with very short delay between characters.
+    ;; with very short delay between characters).
     (if (eq cmd 'viper-intercept-ESC-key)
         (setq cmd
               (cond ((eq viper-current-state 'vi-state)
@@ -1529,7 +1529,8 @@ as a Meta key and any number of multiple escapes is allowed."
   nil)
 
 (defun viper-exec-buffer-search (m-com com)
-  (setq viper-s-string (buffer-substring (point) viper-com-point))
+  (setq viper-s-string
+        (regexp-quote (buffer-substring (point) viper-com-point)))
   (setq viper-s-forward t)
   (setq viper-search-history (cons viper-s-string viper-search-history))
   (setq viper-intermediate-command 'viper-exec-buffer-search)
@@ -1982,6 +1983,16 @@ Undo previous insertion and inserts new."
   (let ((hook (if viper-vi-style-in-minibuffer
                   'viper-change-state-to-insert
                 'viper-change-state-to-emacs)))
+    ;; making buffer-local variables so that normal buffers won't affect the
+    ;; minibuffer and vice versa. Otherwise, command arguments will affect
+    ;; minibuffer ops and insertions from the minibuffer will change those in
+    ;; the normal buffers
+    (make-local-variable 'viper-d-com)
+    (make-local-variable 'viper-last-insertion)
+    (make-local-variable 'viper-command-ring)
+    (setq viper-d-com nil
+          viper-last-insertion nil
+          viper-command-ring nil)
     (funcall hook)
     ))
 
@@ -2707,7 +2718,7 @@ On reaching beginning of line, stop and signal error."
     (viper-backward-char-carefully)
     (if (looking-at "\n")
         (viper-skip-all-separators-backward 'within-line)
-      (or (bobp) (forward-char)))))
+      (or (viper-looking-at-separator) (forward-char)))))
 
 
 (defun viper-forward-word-kernel (val)
@@ -3630,33 +3641,39 @@ the Emacs binding of `/'."
            (setq msg "Search style remains unchanged")))
     (princ msg t)))
 
-(defun viper-set-searchstyle-toggling-macros (unset)
+(defun viper-set-searchstyle-toggling-macros (unset &optional major-mode)
   "Set the macros for toggling the search style in Viper's vi-state.
 The macro that toggles case sensitivity is bound to `//', and the one that
 toggles regexp search is bound to `///'.
-With a prefix argument, this function unsets the macros. "
+With a prefix argument, this function unsets the macros.
+If MAJOR-MODE is set, set the macros only in that major mode."
   (interactive "P")
-  (or noninteractive
-      (if (not unset)
-          (progn
-            ;; toggle case sensitivity in search
-            (viper-record-kbd-macro
-             "//" 'vi-state
-             [1 (meta x) v i p e r - t o g g l e - s e a r c h - s t y l e return]
-             't)
-            ;; toggle regexp/vanila search
-            (viper-record-kbd-macro
-             "///" 'vi-state
-             [2 (meta x) v i p e r - t o g g l e - s e a r c h - s t y l e return]
-             't)
-            (if (interactive-p)
-                (message
-                 "// and /// now toggle case-sensitivity and regexp search")))
-        (viper-unrecord-kbd-macro "//" 'vi-state)
-        (sit-for 2)
-        (viper-unrecord-kbd-macro "///" 'vi-state))))
-
-
+  (let (scope)
+    (if (and major-mode (symbolp major-mode))
+        (setq scope major-mode)
+      (setq scope 't))
+    (or noninteractive
+        (if (not unset)
+            (progn
+              ;; toggle case sensitivity in search
+              (viper-record-kbd-macro
+               "//" 'vi-state
+               [1 (meta x) v i p e r - t o g g l e - s e a r c h - s t y l e return]
+               scope)
+              ;; toggle regexp/vanila search
+              (viper-record-kbd-macro
+               "///" 'vi-state
+               [2 (meta x) v i p e r - t o g g l e - s e a r c h - s t y l e return]
+               scope)
+              (if (interactive-p)
+                  (message
+                   "// and /// now toggle case-sensitivity and regexp search")))
+          (viper-unrecord-kbd-macro "//" 'vi-state)
+          (sit-for 2)
+          (viper-unrecord-kbd-macro "///" 'vi-state)))
+    ))
+  
+  
 (defun viper-set-parsing-style-toggling-macro (unset)
   "Set `%%%' to be a macro that toggles whether comment fields should be parsed for matching parentheses.
 This is used in conjunction with the `%' command.
@@ -4112,7 +4129,8 @@ Null string will repeat previous search."
   (interactive)
   (if (and viper-ex-style-editing (bolp))
       (beep 1)
-    (delete-backward-char 1 t)))
+    ;; don't put on kill ring
+    (delete-backward-char 1 nil)))
 
 
 (defun viper-del-backward-char-in-replace ()
@@ -4124,13 +4142,15 @@ cursor move past the beginning of line."
   (interactive)
   (cond (viper-delete-backwards-in-replace
          (cond ((not (bolp))
-                (delete-backward-char 1 t))
+                ;; don't put on kill ring
+                (delete-backward-char 1 nil))
                (viper-ex-style-editing
                 (beep 1))
                ((bobp)
                 (beep 1))
                (t
-                (delete-backward-char 1 t))))
+                ;; don't put on kill ring
+                (delete-backward-char 1 nil))))
         (viper-ex-style-editing
          (if (bolp)
              (beep 1)
diff --git a/lisp/emulation/viper-ex.el b/lisp/emulation/viper-ex.el
index c94edf54bc2..90b006ffb65 100644
--- a/lisp/emulation/viper-ex.el
+++ b/lisp/emulation/viper-ex.el
@@ -1,6 +1,6 @@
 ;;; viper-ex.el --- functions implementing the Ex commands for Viper
 
-;; Copyright (C) 1994, 95, 96, 97, 98, 2000, 01, 02, 04 Free Software Foundation, Inc.
+;; Copyright (C) 1994, 95, 96, 97, 98, 2000, 01, 02, 04, 05 Free Software Foundation, Inc.
 
 ;; Author: Michael Kifer <kifer@cs.stonybrook.edu>
 
diff --git a/lisp/emulation/viper-init.el b/lisp/emulation/viper-init.el
index 555cf9544b2..4f08f1b6cc1 100644
--- a/lisp/emulation/viper-init.el
+++ b/lisp/emulation/viper-init.el
@@ -70,6 +70,16 @@
    window-system
    ))
 
+(defun viper-color-display-p ()
+  (condition-case nil
+      (viper-cond-compile-for-xemacs-or-emacs
+       (eq (device-class (selected-device)) 'color) ; xemacs form
+       (if (fboundp 'display-color-p) ; emacs form
+           (display-color-p)
+         (x-display-color-p))
+        )
+    (error nil)))
+
 ;; in XEmacs: device-type is tty on tty and stream in batch.
 (defun viper-window-display-p ()
   (and (viper-device-type) (not (memq (viper-device-type) '(tty stream pc)))))
@@ -97,7 +107,8 @@ In all likelihood, you don't need to bother with this setting."
 (defun viper-has-face-support-p ()
   (cond ((viper-window-display-p))
         (viper-force-faces)
-        (viper-emacs-p (memq (viper-device-type) '(nil pc)))
+        ((viper-color-display-p))
+        (viper-emacs-p (memq (viper-device-type) '(pc)))
         (viper-xemacs-p (memq (viper-device-type) '(tty pc)))))
 
 
diff --git a/lisp/emulation/viper-keym.el b/lisp/emulation/viper-keym.el
index 146b54b7034..e5074b95838 100644
--- a/lisp/emulation/viper-keym.el
+++ b/lisp/emulation/viper-keym.el
@@ -455,6 +455,10 @@ Useful in some modes, such as Gnus, MH, etc.")
 (define-key viper-dired-modifier-map ":" 'viper-ex)
 (define-key viper-dired-modifier-map "/" 'viper-search-forward)
 
+(defvar viper-gnus-modifier-map (make-sparse-keymap)
+  "This map modifies Gnus behavior.")
+(define-key viper-gnus-modifier-map ":" 'viper-ex)
+
 
 
 ;;; Code
diff --git a/lisp/emulation/viper-macs.el b/lisp/emulation/viper-macs.el
index c6a3fdfe1fe..df0e37e7c25 100644
--- a/lisp/emulation/viper-macs.el
+++ b/lisp/emulation/viper-macs.el
@@ -329,6 +329,8 @@ a key is a symbol, e.g., `a', `\\1', `f2', etc., or a list, e.g.,
 ;; Accepts as macro names: strings and vectors.
 ;; strings must be strings of characters; vectors must be vectors of keys
 ;; in canonic form.  The canonic form is essentially the form used in XEmacs
+;; More general definitions are inherited by more specific scopes:
+;; global->major mode->buffer. More specific definitions override more general
 (defun viper-record-kbd-macro (macro-name state macro-body &optional scope)
   "Record a Vi macro.  Can be used in `.viper' file to define permanent macros.
 MACRO-NAME is a string of characters or a vector of keys.  STATE is
@@ -451,22 +453,22 @@ If SCOPE is nil, the user is asked to specify the scope."
                        (list (list (cons scope nil)) nil (cons t nil))))))
     (setq old-elt (assoc macro-name (eval macro-alist-var)))
 
-      (if (null old-elt)
-          (progn
-            ;; insert new-elt in macro-alist-var and keep the list sorted
-            (define-key
-              keymap
-              (vector (viper-key-to-emacs-key (aref macro-name 0)))
-              'viper-exec-mapped-kbd-macro)
-            (setq lis (eval macro-alist-var))
-            (while (and lis (string< (viper-array-to-string (car (car lis)))
-                                     (viper-array-to-string macro-name)))
-              (setq lis2 (cons (car lis) lis2))
-              (setq lis (cdr lis)))
-
-            (setq lis2 (reverse lis2))
-            (set macro-alist-var (append lis2 (cons new-elt lis)))
-            (setq old-elt new-elt)))
+    (if (null old-elt)
+        (progn
+          ;; insert new-elt in macro-alist-var and keep the list sorted
+          (define-key
+            keymap
+            (vector (viper-key-to-emacs-key (aref macro-name 0)))
+            'viper-exec-mapped-kbd-macro)
+          (setq lis (eval macro-alist-var))
+          (while (and lis (string< (viper-array-to-string (car (car lis)))
+                                   (viper-array-to-string macro-name)))
+            (setq lis2 (cons (car lis) lis2))
+            (setq lis (cdr lis)))
+          
+          (setq lis2 (reverse lis2))
+          (set macro-alist-var (append lis2 (cons new-elt lis)))
+          (setq old-elt new-elt)))
     (setq old-sub-elt
           (cond ((eq scope t) (viper-kbd-global-pair old-elt))
                 ((symbolp scope) (assoc scope (viper-kbd-mode-alist old-elt)))
@@ -484,6 +486,11 @@ If SCOPE is nil, the user is asked to specify the scope."
 
 
 ;; macro name must be a vector of viper-style keys
+;; viper-unrecord-kbd-macro doesn't have scope. Macro definitions are inherited
+;; from global -> major mode -> buffer
+;; More specific definition overrides more general
+;; Can't unrecord definition for more specific, if a more general definition is
+;; in effect
 (defun viper-unrecord-kbd-macro (macro-name state)
   "Delete macro MACRO-NAME from Viper STATE.
 MACRO-NAME must be a vector of viper-style keys.  This command is used by Viper
@@ -546,7 +553,7 @@ name from there."
            (setq macro-pair mode-mapping)
            (message "%S is unmapped for %s in %S"
                     (viper-display-macro macro-name) state-name major-mode))
-          ((cdr (setq macro-pair (viper-kbd-global-pair macro-entry)))
+          ((cdr (setq macro-pair global-mapping))
            (message
             "Global mapping for %S in %s is removed"
             (viper-display-macro macro-name) state-name))
@@ -560,7 +567,7 @@ name from there."
         (progn
           (set macro-alist-var (delq macro-entry (eval macro-alist-var)))
           (if (viper-can-release-key (aref macro-name 0)
-                                   (eval macro-alist-var))
+                                     (eval macro-alist-var))
               (define-key
                 keymap
                 (vector (viper-key-to-emacs-key (aref macro-name 0)))
diff --git a/lisp/emulation/viper-util.el b/lisp/emulation/viper-util.el
index 0f3b8916095..a9e908f1c9c 100644
--- a/lisp/emulation/viper-util.el
+++ b/lisp/emulation/viper-util.el
@@ -661,14 +661,8 @@
 
 
 ;; define remote file test
-(or (fboundp 'viper-file-remote-p) ; user supplied his own function: use it
-    (defun viper-file-remote-p (file-name)
-      (car (cond ((featurep 'efs-auto) (efs-ftp-path file-name))
-                 ((fboundp 'file-remote-p) (file-remote-p file-name))
-                 (t (require 'ange-ftp)
-                    ;; Can happen only in Emacs, since XEmacs has file-remote-p
-                    (ange-ftp-ftp-name file-name))))))
-
+(defun viper-file-remote-p (file-name)
+  (file-remote-p file-name))
 
 
 ;; This is a simple-minded check for whether a file is under version control.
diff --git a/lisp/emulation/viper.el b/lisp/emulation/viper.el
index 15ec74b41f1..be5a8e3467a 100644
--- a/lisp/emulation/viper.el
+++ b/lisp/emulation/viper.el
@@ -3,12 +3,12 @@
 ;;               and a venomous VI PERil.
 ;;               Viper Is also a Package for Emacs Rebels.
 
-;; Copyright (C) 1994, 95, 96, 97, 98, 99, 2000, 01, 02 Free Software Foundation, Inc.
+;; Copyright (C) 1994, 95, 96, 97, 98, 99, 2000, 01, 02, 05 Free Software Foundation, Inc.
 
 ;; Author: Michael Kifer <kifer@cs.stonybrook.edu>
 ;; Keywords: emulations
 
-(defconst viper-version "3.11.2 of January 4, 2002"
+(defconst viper-version "3.11.4 of February 19, 2005"
   "The current version of Viper")
 
 ;; This file is part of GNU Emacs.
@@ -466,7 +466,7 @@ unless it is coming up in a wrong Viper state."
              (nth 0 triple) (nth 1 triple) (eval (nth 2 triple))))
           viper-major-mode-modifier-list))
 
-;; We change standard bindings in some major mode, making them slightly
+;; We change standard bindings in some major modes, making them slightly
 ;; different than in "normal" vi/insert/emacs states
 (defcustom viper-major-mode-modifier-list
   '((help-mode emacs-state viper-slash-and-colon-map)
@@ -482,8 +482,8 @@ unless it is coming up in a wrong Viper state."
     (dired-mode emacs-state viper-dired-modifier-map)
     (tar-mode emacs-state viper-slash-and-colon-map)
     (mh-folder-mode emacs-state viper-slash-and-colon-map)
-    (gnus-group-mode emacs-state viper-slash-and-colon-map)
-    (gnus-summary-mode emacs-state viper-slash-and-colon-map)
+    (gnus-group-mode emacs-state viper-gnus-modifier-map)
+    (gnus-summary-mode emacs-state viper-gnus-modifier-map)
     (Info-mode emacs-state viper-slash-and-colon-map)
     (Buffer-menu-mode emacs-state viper-slash-and-colon-map)
     )
diff --git a/lisp/faces.el b/lisp/faces.el
index cc6b5d0f8df..936e0a132a4 100644
--- a/lisp/faces.el
+++ b/lisp/faces.el
@@ -1910,6 +1910,9 @@ created."
 
 
 (defface minibuffer-prompt '((((background dark)) :foreground "cyan")
+                             ;; Don't use blue because many users of
+                             ;; the MS-DOS port customize their
+                             ;; foreground color to be blue.
                              (((type pc)) :foreground "magenta")
                              (t :foreground "dark blue"))
   "Face for minibuffer prompts."
@@ -2077,6 +2080,8 @@ Note: Other faces cannot inherit from the cursor face."
   :group 'basic-faces)
 
 (defface escape-glyph '((((background dark)) :foreground "cyan")
+                        ;; See the comment in minibuffer-prompt for
+                        ;; the reason not to use blue on MS-DOS.
                         (((type pc)) :foreground "magenta")
                         (t :foreground "blue"))
   "Face for characters displayed as ^-sequences or \-sequences."
diff --git a/lisp/gnus/ChangeLog b/lisp/gnus/ChangeLog
index bc8b89a2519..3cf7292deac 100644
--- a/lisp/gnus/ChangeLog
+++ b/lisp/gnus/ChangeLog
@@ -1,3 +1,35 @@
+2005-02-19  Katsumi Yamaoka  <yamaoka@jpl.org>
+
+        * gnus-msg.el (gnus-copy-article-buffer): Quote decoded words
+        containing special characters.
+
+        * gnus-sum.el (gnus-summary-edit-article): Ditto.
+
+        * mml.el (mime-to-mml): Ditto.
+
+        * rfc2047.el (rfc2047-encode-parameter): Use ietf-drums-tspecials.
+        (rfc2047-quote-decoded-words-containing-tspecials): New variable.
+        (rfc2047-decode-region): Quote decoded words containing special
+        characters when rfc2047-quote-decoded-words-containing-tspecials
+        is non-nil.
+
+2005-02-16  Teodor Zlatanov  <tzz@lifelogs.com>
+
+        * gnus-registry.el (gnus-registry-delete-group): minor bug fix
+
+        * gnus.el (gnus-install-group-spam-parameters): Doc fix.
+
+2005-02-15  Simon Josefsson  <jas@extundo.com>
+
+        * nnimap.el (nnimap-debug): Doc fix.
+
+        * imap.el (imap-debug): Doc fix.
+
+2005-02-14  Reiner Steib  <Reiner.Steib@gmx.de>
+
+        * gnus-group.el (gnus-group-make-doc-group): Mention prefix
+        argument in doc string.  Make query for type more clear.
+
 2005-02-13  Reiner Steib  <Reiner.Steib@gmx.de>
 
         * gnus.el (gnus-group-startup-message): Search for gnus images in
diff --git a/lisp/gnus/gnus-group.el b/lisp/gnus/gnus-group.el
index 2d6137c0bb5..5892235deac 100644
--- a/lisp/gnus/gnus-group.el
+++ b/lisp/gnus/gnus-group.el
@@ -2502,7 +2502,9 @@ group already exists:
   (gnus-group-position-point))
 
 (defun gnus-group-make-doc-group (file type)
-  "Create a group that uses a single file as the source."
+  "Create a group that uses a single file as the source.
+
+If called with a prefix argument, ask for the file type."
   (interactive
    (list (read-file-name "File name: ")
          (and current-prefix-arg 'ask)))
@@ -2511,7 +2513,7 @@ group already exists:
           char found)
       (while (not found)
         (message
-         "%sFile type (mbox, babyl, digest, forward, mmdf, guess) [mbdfag]: "
+         "%sFile type (mbox, babyl, digest, forward, mmdf, guess) [m, b, d, f, a, g]: "
          err)
         (setq found (cond ((= (setq char (read-char)) ?m) 'mbox)
                           ((= char ?b) 'babyl)
diff --git a/lisp/gnus/gnus-msg.el b/lisp/gnus/gnus-msg.el
index 65b3d78aca3..a71dce313d6 100644
--- a/lisp/gnus/gnus-msg.el
+++ b/lisp/gnus/gnus-msg.el
@@ -876,7 +876,8 @@ header line with the old Message-ID."
             ;; Decode charsets.
             (let ((gnus-article-decode-hook
                    (delq 'article-decode-charset
-                         (copy-sequence gnus-article-decode-hook))))
+                         (copy-sequence gnus-article-decode-hook)))
+                  (rfc2047-quote-decoded-words-containing-tspecials t))
               (run-hooks 'gnus-article-decode-hook)))))
       gnus-article-copy)))
 
diff --git a/lisp/gnus/gnus-registry.el b/lisp/gnus/gnus-registry.el
index 0971fea5485..3b7d6e43b43 100644
--- a/lisp/gnus/gnus-registry.el
+++ b/lisp/gnus/gnus-registry.el
@@ -606,7 +606,9 @@ Returns the first place where the trail finds a group name."
       (when gnus-registry-trim-articles-without-groups
         (unless (gnus-registry-group-count id)
           (gnus-registry-delete-id id)))
-      (gnus-registry-store-extra-entry id 'mtime (current-time)))))
+      ;; is this ID still in the registry?
+      (when (gethash id gnus-registry-hashtb)
+        (gnus-registry-store-extra-entry id 'mtime (current-time))))))
 
 (defun gnus-registry-delete-id (id)
   "Delete a message ID from the registry."
diff --git a/lisp/gnus/gnus-sum.el b/lisp/gnus/gnus-sum.el
index 1af9e0ca1a7..b5467aa5921 100644
--- a/lisp/gnus/gnus-sum.el
+++ b/lisp/gnus/gnus-sum.el
@@ -9485,7 +9485,8 @@ groups."
            `(lambda ()
               (let ((mbl mml-buffer-list))
                 (setq mml-buffer-list nil)
-                (mime-to-mml ,'current-handles)
+                (let ((rfc2047-quote-decoded-words-containing-tspecials t))
+                  (mime-to-mml ,'current-handles))
                 (let ((mbl1 mml-buffer-list))
                   (setq mml-buffer-list mbl)
                   (set (make-local-variable 'mml-buffer-list) mbl1))
diff --git a/lisp/gnus/gnus.el b/lisp/gnus/gnus.el
index f5dcd296d2b..fa1da9e82f8 100644
--- a/lisp/gnus/gnus.el
+++ b/lisp/gnus/gnus.el
@@ -1819,11 +1819,12 @@ registry.")
    :variable gnus-spam-newsgroup-contents
    :variable-default nil
    :variable-document
-   "*Groups in which to automatically mark new articles as spam on
-summary entry.  If non-nil, this should be a list of group name
-regexps that should match all groups in which to do automatic spam
-tagging, associated with a classification (spam, ham, or neither).
-This only makes sense for mail groups."
+   "*Group classification (spam, ham, or neither).  Only
+meaningful when spam.el is loaded.  If non-nil, this should be a
+list of group name regexps associated with a classification for
+each one.  In spam groups, new articles are marked as spam on
+summary entry.  There is other behavior associated with ham and
+no classification when spam.el is loaded - see the manual."
    :variable-group spam
    :variable-type '(repeat
                     (list :tag "Group contents spam/ham classification"
@@ -1840,7 +1841,9 @@ This only makes sense for mail groups."
                                   (const :tag "Unclassified" nil)))
    :parameter-document
    "The spam classification (spam, ham, or neither) of this group.
-When a spam group is entered, all unread articles are marked as spam.")
+When a spam group is entered, all unread articles are marked as
+spam.  There is other behavior associated with ham and no
+classification when spam.el is loaded - see the manual.")
 
   (defvar gnus-group-spam-exit-processor-ifile "ifile"
     "OBSOLETE: The ifile summary exit spam processor.")
diff --git a/lisp/gnus/imap.el b/lisp/gnus/imap.el
index aba0e88b92f..c7f9d60339f 100644
--- a/lisp/gnus/imap.el
+++ b/lisp/gnus/imap.el
@@ -250,7 +250,11 @@ variable unless you are comfortable with that."
   :type 'boolean)
 
 (defcustom imap-debug nil
-  "If non-nil, random debug spews are placed in *imap-debug* buffer."
+  "If non-nil, random debug spews are placed in *imap-debug* buffer.
+Note that username, passwords and other privacy sensitive
+information (such as e-mail) may be stored in the *imap-debug*
+buffer.  It is not written to disk, however.  Do not enable this
+variable unless you are comfortable with that."
   :group 'imap
   :type 'boolean)
 
diff --git a/lisp/gnus/mml.el b/lisp/gnus/mml.el
index 0e018c68903..37f28337733 100644
--- a/lisp/gnus/mml.el
+++ b/lisp/gnus/mml.el
@@ -710,7 +710,8 @@ If HANDLES is non-nil, use it instead reparsing the buffer."
   ;; First decode the head.
   (save-restriction
     (message-narrow-to-head)
-    (mail-decode-encoded-word-region (point-min) (point-max)))
+    (let ((rfc2047-quote-decoded-words-containing-tspecials t))
+      (mail-decode-encoded-word-region (point-min) (point-max))))
   (unless handles
     (setq handles (mm-dissect-buffer t)))
   (goto-char (point-min))
diff --git a/lisp/gnus/nnimap.el b/lisp/gnus/nnimap.el
index c3afd6381ca..59b0178de42 100644
--- a/lisp/gnus/nnimap.el
+++ b/lisp/gnus/nnimap.el
@@ -1,5 +1,5 @@
 ;;; nnimap.el --- imap backend for Gnus
-;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004
+;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
 ;;        Free Software Foundation, Inc.
 
 ;; Author: Simon Josefsson <jas@pdc.kth.se>
@@ -409,7 +409,11 @@ If this is 'imap-mailbox-lsub, then use a server-side subscription list to
 restrict visible folders.")
 
 (defcustom nnimap-debug nil
-  "If non-nil, random debug spews are placed in *nnimap-debug* buffer."
+  "If non-nil, random debug spews are placed in *nnimap-debug* buffer.
+Note that username, passwords and other privacy sensitive
+information (such as e-mail) may be stored in the *nnimap-debug*
+buffer.  It is not written to disk, however.  Do not enable this
+variable unless you are comfortable with that."
   :group 'nnimap
   :type 'boolean)
 
diff --git a/lisp/gnus/rfc2047.el b/lisp/gnus/rfc2047.el
index e6461bf2627..6086f422abd 100644
--- a/lisp/gnus/rfc2047.el
+++ b/lisp/gnus/rfc2047.el
@@ -1,5 +1,7 @@
 ;;; rfc2047.el --- functions for encoding and decoding rfc2047 messages
-;; Copyright (C) 1998, 1999, 2000, 2002, 2003 Free Software Foundation, Inc.
+
+;; Copyright (C) 1998, 1999, 2000, 2002, 2003, 2004, 2005
+;;        Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;;      MORIOKA Tomohiko <morioka@jaist.ac.jp>
@@ -50,6 +52,7 @@ Value is what BODY returns."
 
 (require 'qp)
 (require 'mm-util)
+(require 'ietf-drums)
 ;; Fixme: Avoid this (used for mail-parse-charset) mm dependence on gnus.
 (require 'mail-prsvr)
 (require 'base64)
@@ -639,6 +642,9 @@ By default, the region is treated as containing addresses (see
     "=\\?\\([^][\000-\040()<>@,\;:\\\"/?.=]+\\)\\?\\(B\\|Q\\)\
 \\?\\([!->@-~ +]*\\)\\?="))
 
+(defvar rfc2047-quote-decoded-words-containing-tspecials nil
+  "If non-nil, quote decoded words containing special characters.")
+
 ;; Fixme: This should decode in place, not cons intermediate strings.
 ;; Also check whether it needs to worry about delimiting fields like
 ;; encoding.
@@ -673,14 +679,66 @@ By default, the region is treated as containing addresses (see
           (insert (rfc2047-parse-and-decode
                    (prog1
                        (match-string 0)
-                     (delete-region (match-beginning 0) (match-end 0)))))
-          ;; Remove newlines between decoded words, though such things
-          ;; essentially must not be there.
+                     (delete-region e (match-end 0)))))
+          (while (looking-at rfc2047-encoded-word-regexp)
+            (insert (rfc2047-parse-and-decode
+                     (prog1
+                         (match-string 0)
+                       (delete-region (point) (match-end 0))))))
           (save-restriction
             (narrow-to-region e (point))
             (goto-char e)
+            ;; Remove newlines between decoded words, though such
+            ;; things essentially must not be there.
             (while (re-search-forward "[\n\r]+" nil t)
               (replace-match " "))
+            ;; Quote decoded words if there are special characters
+            ;; which might violate RFC2822.
+            (when (and rfc2047-quote-decoded-words-containing-tspecials
+                       (let ((regexp (car (rassq
+                                           'address-mime
+                                           rfc2047-header-encoding-alist))))
+                         (when regexp
+                           (save-restriction
+                             (widen)
+                             (beginning-of-line)
+                             (while (and (memq (char-after) '(?  ?\t))
+                                         (zerop (forward-line -1))))
+                             (looking-at regexp)))))
+              (let (quoted)
+                (goto-char e)
+                (skip-chars-forward " \t")
+                (setq start (point))
+                (setq quoted (eq (char-after) ?\"))
+                (goto-char (point-max))
+                (skip-chars-backward " \t")
+                (if (setq quoted (and quoted
+                                      (> (point) (1+ start))
+                                      (eq (char-before) ?\")))
+                    (progn
+                      (backward-char)
+                      (setq start (1+ start)
+                            end (point-marker)))
+                  (setq end (point-marker)))
+                (goto-char start)
+                (while (search-forward "\"" end t)
+                  (when (prog2
+                            (backward-char)
+                            (zerop (% (skip-chars-backward "\\\\") 2))
+                          (goto-char (match-beginning 0)))
+                    (insert "\\"))
+                  (forward-char))
+                (when (and (not quoted)
+                           (progn
+                             (goto-char start)
+                             (re-search-forward
+                              (concat "[" ietf-drums-tspecials "]")
+                              end t)))
+                  (goto-char start)
+                  (insert "\"")
+                  (goto-char end)
+                  (insert "\""))
+                (set-marker end nil)))
             (goto-char (point-max)))
           (when (and (mm-multibyte-p)
                      mail-parse-charset
diff --git a/lisp/isearch.el b/lisp/isearch.el
index bc8e1533351..77208c42ee4 100644
--- a/lisp/isearch.el
+++ b/lisp/isearch.el
@@ -537,6 +537,11 @@ Type \\[isearch-quote-char] to quote control character to search for it.
 \\[isearch-abort] when search is successful aborts and moves point to\
  starting point.
 
+Type \\[isearch-query-replace] to start `query-replace' with string to\
+replace from  last search string.
+Type \\[isearch-query-replace-regexp] to start `query-replace-regexp'\
+with string to replace from last search string..
+
 Type \\[isearch-toggle-case-fold] to toggle search case-sensitivity.
 Type \\[isearch-toggle-regexp] to toggle regular-expression mode.
 Type \\[isearch-edit-string] to edit the search string in the minibuffer.
diff --git a/lisp/log-view.el b/lisp/log-view.el
index 51ca8907db8..c153cbdbb60 100644
--- a/lisp/log-view.el
+++ b/lisp/log-view.el
@@ -1,6 +1,6 @@
 ;;; log-view.el --- Major mode for browsing RCS/CVS/SCCS log output
 
-;; Copyright (C) 1999, 2000, 2001  Free Software Foundation, Inc.
+;; Copyright (C) 1999, 2000, 2001, 2005  Free Software Foundation, Inc.
 
 ;; Author: Stefan Monnier <monnier@cs.yale.edu>
 ;; Keywords: rcs sccs cvs log version-control
@@ -85,7 +85,7 @@
           "\\|SCCS/s\\.\\(.+\\):"
           "\\)\n"))
 ;; In RCS, a locked revision will look like "revision N.M\tlocked by: FOO".
-(defconst log-view-message-re "^\\(revision \\([.0-9]+\\)\\(?:\t.*\\)?\\|rev \\([0-9]+\\):  .*\\|D \\([.0-9]+\\) .*\\)$")
+(defconst log-view-message-re "^\\(revision \\([.0-9]+\\)\\(?:\t.*\\)?\\|r\\([0-9]+\\) | .* | .*\\|D \\([.0-9]+\\) .*\\)$")
 
 (defconst log-view-font-lock-keywords
   `((,log-view-file-re
@@ -206,5 +206,5 @@ were the region starts and ends."
 
 (provide 'log-view)
 
-;;; arch-tag: 0d64220b-ce7e-4f62-9c2a-6b04c2f81f4f
+;; arch-tag: 0d64220b-ce7e-4f62-9c2a-6b04c2f81f4f
 ;;; log-view.el ends here
diff --git a/lisp/net/tramp.el b/lisp/net/tramp.el
index 583b5fa2afe..0fee809789e 100644
--- a/lisp/net/tramp.el
+++ b/lisp/net/tramp.el
@@ -4105,7 +4105,7 @@ ARGS are the arguments OPERATION has been called with."
      (if (bufferp (nth 0 args)) (nth 0 args) (current-buffer))))
    ; COMMAND
    ((member operation
-            (list 'dired-call-process-command
+            (list 'dired-call-process
                   ; Emacs only
                   'shell
                   ; Post Emacs 21.3 only
diff --git a/lisp/progmodes/gdb-ui.el b/lisp/progmodes/gdb-ui.el
index f49b25fcf9e..5fdf77c29d8 100644
--- a/lisp/progmodes/gdb-ui.el
+++ b/lisp/progmodes/gdb-ui.el
@@ -338,7 +338,6 @@ detailed description of this mode.
                          (match-string 3)
                          nil nil)))
           (push var gdb-var-list)
-          (setq speedbar-update-flag t)
           (speedbar 1)
           (if (equal (nth 2 var) "0")
               (gdb-enqueue-input
@@ -433,7 +432,18 @@ detailed description of this mode.
                      `(lambda () (gdb-var-evaluate-expression-handler
                                   ,varnum t)))))))
   (setq gdb-pending-triggers
-   (delq 'gdb-var-update gdb-pending-triggers)))
+   (delq 'gdb-var-update gdb-pending-triggers))
+  (when (and (boundp 'speedbar-frame) (frame-live-p speedbar-frame))
+    ;; dummy command to update speedbar at right time
+    (gdb-enqueue-input (list "server pwd\n" 'gdb-speedbar-timer-fn))
+    ;; keep gdb-pending-triggers non-nil till end
+    (push 'gdb-speedbar-timer gdb-pending-triggers)))
+
+(defun gdb-speedbar-timer-fn ()
+  (setq gdb-pending-triggers
+        (delq 'gdb-speedbar-timer gdb-pending-triggers))
+  (with-current-buffer gud-comint-buffer
+    (speedbar-timer-fn)))
 
 (defun gdb-var-delete ()
   "Delete watched expression from the speedbar."
@@ -882,12 +892,12 @@ happens to be appropriate."
         (gdb-invalidate-threads)
         (unless (eq system-type 'darwin) ;Breaks on Darwin's GDB-5.3.
           ;; FIXME: with GDB-6 on Darwin, this might very well work.
-          (dolist (frame (frame-list))
-            (when (string-equal (frame-parameter frame 'name) "Speedbar")
-              (setq gdb-var-changed t)    ; force update
-              (dolist (var gdb-var-list)
-                (setcar (nthcdr 5 var) nil))))
-          (gdb-var-update))))
+          ;; only needed/used with speedbar/watch expressions
+          (when (and (boundp 'speedbar-frame) (frame-live-p speedbar-frame))
+            (setq gdb-var-changed t)    ; force update
+            (dolist (var gdb-var-list)
+              (setcar (nthcdr 5 var) nil))
+            (gdb-var-update)))))
   (let ((sink gdb-output-sink))
     (cond
      ((eq sink 'user) t)
diff --git a/lisp/progmodes/meta-mode.el b/lisp/progmodes/meta-mode.el
index ecf8da2e509..7bf9921b2ee 100644
--- a/lisp/progmodes/meta-mode.el
+++ b/lisp/progmodes/meta-mode.el
@@ -898,7 +898,7 @@ The environment marked is the one that contains point or follows point."
 ;; Compatibility: XEmacs doesn't have the  `mark-active' variable.
 (defun meta-mark-active ()
   "Return whether the mark and region are currently active in this buffer."
-  (or (and (boundp 'mark-active) mark-active) (mark)))
+  (if (boundp 'mark-active) mark-active (mark)))
 
 
 
diff --git a/lisp/replace.el b/lisp/replace.el
index de3577913c1..2c60cd006f1 100644
--- a/lisp/replace.el
+++ b/lisp/replace.el
@@ -115,8 +115,11 @@ wants to replace FROM with TO."
                query-replace-from-history-variable
                nil t t))))
       (if (and (zerop (length from)) lastto lastfrom)
-          (cons lastfrom
-                (query-replace-compile-replacement lastto regexp-flag))
+          (progn
+            (cons lastfrom
+                  (query-replace-compile-replacement lastto regexp-flag))
+            (set query-replace-from-history-variable
+                 (cdr (symbol-value query-replace-from-history-variable))))
         ;; Warn if user types \n or \t, but don't reject the input.
         (and regexp-flag
              (string-match "\\(\\`\\|[^\\]\\)\\(\\\\\\\\\\)*\\(\\\\[nt]\\)" from)
@@ -214,7 +217,11 @@ Fourth and fifth arg START and END specify the region to operate on.
 
 To customize possible responses, change the \"bindings\" in `query-replace-map'."
   (interactive (let ((common
-                      (query-replace-read-args "Query replace" nil)))
+                      (query-replace-read-args 
+                       (if (and transient-mark-mode mark-active)
+                         "Query replace in region"
+                         "Query replace")
+                         nil)))
                  (list (nth 0 common) (nth 1 common) (nth 2 common)
                        ;; These are done separately here
                        ;; so that command-history will record these expressions
@@ -274,7 +281,11 @@ text, TO-STRING is actually made a list instead of a string.
 Use \\[repeat-complex-command] after this command for details."
   (interactive
    (let ((common
-          (query-replace-read-args "Query replace regexp" t)))
+          (query-replace-read-args 
+           (if (and transient-mark-mode mark-active)
+               "Query replace regexp in region"
+             "Query replace regexp")
+           t)))
      (list (nth 0 common) (nth 1 common) (nth 2 common)
            ;; These are done separately here
            ;; so that command-history will record these expressions
@@ -420,7 +431,11 @@ which will run faster and will not set the mark or print anything.
 and TO-STRING is also null.)"
   (interactive
    (let ((common
-          (query-replace-read-args "Replace string" nil)))
+          (query-replace-read-args 
+           (if (and transient-mark-mode mark-active)
+               "Replace string in region"
+             "Replace string")
+           nil)))
      (list (nth 0 common) (nth 1 common) (nth 2 common)
            (if (and transient-mark-mode mark-active)
                (region-beginning))
@@ -474,7 +489,11 @@ What you probably want is a loop like this:
 which will run faster and will not set the mark or print anything."
   (interactive
    (let ((common
-          (query-replace-read-args "Replace regexp" t)))
+          (query-replace-read-args 
+           (if (and transient-mark-mode mark-active)
+               "Replace regexp in region" 
+             "Replace regexp") 
+           t)))
      (list (nth 0 common) (nth 1 common) (nth 2 common)
            (if (and transient-mark-mode mark-active)
                (region-beginning))
diff --git a/lisp/ses.el b/lisp/ses.el
index c2239327e1c..502acf868dc 100644
--- a/lisp/ses.el
+++ b/lisp/ses.el
@@ -1281,34 +1281,20 @@ to each symbol."
 
 ;; This should be unnecessary, because the feature is now built in.
 
-;;; (defadvice undo-more (around ses-undo-more activate preactivate)
-;;;   "Define a meaning for conses in buffer-undo-list whose car is a symbol
-;;; other than t or nil.  To undo these, apply the car--a function--to the
-;;; cdr--its arglist."
-;;;   (let ((ses-count (ad-get-arg 0)))
-;;;     (catch 'undo
-;;;       (dolist (ses-x pending-undo-list)
-;;;     (unless ses-x
-;;;       ;;End of undo boundary
-;;;       (setq ses-count (1- ses-count))
-;;;       (if (<= ses-count 0)
-;;;           ;;We've seen enough boundaries - stop undoing
-;;;           (throw 'undo nil)))
-;;;     (and (consp ses-x) (symbolp (car ses-x)) (fboundp (car ses-x))
-;;;          ;;Undo using apply
-;;;          (apply (car ses-x) (cdr ses-x)))))
-;;;     (if (not (eq major-mode 'ses-mode))
-;;;     ad-do-it
-;;;       ;;Here is some extra code for SES mode.
-;;;       (setq ses--deferred-narrow
-;;;         (or ses--deferred-narrow (ses-narrowed-p)))
-;;;       (widen)
-;;;       (condition-case x
-;;;       ad-do-it
-;;;     (error
-;;;      ;;Restore narrow if appropriate
-;;;      (ses-command-hook)
-;;;      (signal (car x) (cdr x)))))))
+(defadvice undo-more (around ses-undo-more activate preactivate)
+  "For SES mode, allow undo outside of narrowed buffer range."
+  (if (not (eq major-mode 'ses-mode))
+      ad-do-it
+    ;;Here is some extra code for SES mode.
+    (setq ses--deferred-narrow
+          (or ses--deferred-narrow (ses-narrowed-p)))
+    (widen)
+    (condition-case x
+        ad-do-it
+      (error
+       ;;Restore narrow if appropriate
+       (ses-command-hook)
+       (signal (car x) (cdr x))))))
 
 (defun ses-begin-change ()
   "For undo, remember point before we start changing hidden stuff."
diff --git a/lisp/simple.el b/lisp/simple.el
index 639021bcb95..be9bded5382 100644
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -3162,12 +3162,12 @@ and more reliable (no dependence on goal column, etc.)."
           (let ((abbrev-mode nil))
             (end-of-line)
             (insert "\n"))
-        (line-move arg))
+        (line-move arg nil nil t))
     (if (interactive-p)
         (condition-case nil
-            (line-move arg)
+            (line-move arg nil nil t)
           ((beginning-of-buffer end-of-buffer) (ding)))
-      (line-move arg)))
+      (line-move arg nil nil t)))
   nil)
 
 (defun previous-line (&optional arg)
@@ -3190,9 +3190,9 @@ to use and more reliable (no dependence on goal column, etc.)."
   (or arg (setq arg 1))
   (if (interactive-p)
       (condition-case nil
-          (line-move (- arg))
+          (line-move (- arg) nil nil t)
         ((beginning-of-buffer end-of-buffer) (ding)))
-    (line-move (- arg)))
+    (line-move (- arg) nil nil t))
   nil)
 
 (defcustom track-eol nil
@@ -3231,8 +3231,8 @@ Outline mode sets this."
           (assq prop buffer-invisibility-spec)))))
 
 ;; Perform vertical scrolling of tall images if necessary.
-(defun line-move (arg &optional noerror to-end)
-  (if auto-window-vscroll
+(defun line-move (arg &optional noerror to-end try-vscroll)
+  (if (and auto-window-vscroll try-vscroll)
       (let ((forward (> arg 0))
             (part (nth 2 (pos-visible-in-window-p (point) nil t))))
         (if (and (consp part)
@@ -3248,7 +3248,14 @@ Outline mode sets this."
                                                (* (frame-char-height) (- arg))))))
                                 t)
           (set-window-vscroll nil 0)
-          (line-move-1 arg noerror to-end)))
+          (when (line-move-1 arg noerror to-end)
+            (sit-for 0)
+            (if (and (not forward)
+                     (setq part (nth 2 (pos-visible-in-window-p
+                                        (line-beginning-position) nil t)))
+                     (> (cdr part) 0))
+                (set-window-vscroll nil (cdr part) t))
+            t)))
     (line-move-1 arg noerror to-end)))
 
 ;; This is the guts of next-line and previous-line.
diff --git a/lisp/subr.el b/lisp/subr.el
index 89508640171..b22e7886f2f 100644
--- a/lisp/subr.el
+++ b/lisp/subr.el
@@ -2233,10 +2233,10 @@ and replace a sub-expression, e.g.
 (defun subregexp-context-p (regexp pos &optional start)
   "Return non-nil if POS is in a normal subregexp context in REGEXP.
 A subregexp context is one where a sub-regexp can appear.
-A non-subregexp context is for example within brackets, or within a repetition
-bounds operator \\{..\\}, or right after a \\.
-If START is non-nil, it should be a position in REGEXP, smaller than POS,
-and known to be in a subregexp context."
+A non-subregexp context is for example within brackets, or within a
+repetition bounds operator `\\=\\{...\\}', or right after a `\\'.
+If START is non-nil, it should be a position in REGEXP, smaller
+than POS, and known to be in a subregexp context."
   ;; Here's one possible implementation, with the great benefit that it
   ;; reuses the regexp-matcher's own parser, so it understands all the
   ;; details of the syntax.  A disadvantage is that it needs to match the
diff --git a/lisp/wdired.el b/lisp/wdired.el
index 928ecd65339..92d7a81627a 100644
--- a/lisp/wdired.el
+++ b/lisp/wdired.el
@@ -3,7 +3,7 @@
 ;; Copyright (C) 2001, 2004  Free Software Foundation, Inc.
 
 ;; Filename: wdired.el
-;; Author: Juan León Lahoz García <juan-leon.lahoz@tecsidel.es>
+;; Author: Juan León Lahoz García <juan-leon.lahoz@tecsidel.es>
 ;; Version: 1.91
 ;; Keywords: dired, environment, files, renaming