Merge changes from emacs-23 branch.

7 files changed, 99 insertions, 48 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 199c8243188..f0ea29a5d89 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,15 @@
+2010-07-16  Reiner Steib  <Reiner.Steib@gmx.de>
+
+        * vc.el (vc-coding-system-inherit-eol): New defvar.
+        (vc-coding-system-for-diff): Use it to decide whether to inherit
+        from the file the EOL format for reading the diffs of that file.
+        (Bug#4451)
+
+2010-07-16  Eli Zaretskii  <eliz@gnu.org>
+
+        * mail/rmailmm.el (rmail-mime-save): Make the temp buffer
+        unibyte, so compressed attachments are not compressed again.
+
 2010-07-16  Michael Albinus  <michael.albinus@gmx.de>
 
         * net/tramp.el (tramp-handle-shell-command): Don't use hard-wired
@@ -22,6 +34,11 @@
         * bookmark.el (bookmark-load-hook): Fix doc string as suggested
         by Drew Adams (Bug#5504).
 
+2010-07-14  Jan Djärv  <jan.h.d@swipnet.se>
+
+        * xt-mouse.el (xterm-mouse-event-read): Fix for characters > 127
+        now that unicode is used (Bug#6594).
+
 2010-07-14  Chong Yidong  <cyd@stupidchicken.com>
 
         * term/x-win.el (x-select-enable-clipboard): Default to t.
@@ -120,6 +137,20 @@
         * net/tramp-gvfs.el (tramp-gvfs-handle-copy-file): Do not pass
         empty argument to gvfs-copy.
 
+2010-07-10  Glenn Morris  <rgm@gnu.org>
+
+        * calendar/calendar.el (calendar-week-end-day): New function.
+        * calendar/cal-tex.el (cal-tex-cursor-month): Remove unused vars.
+        Respect calendar-week-start-day.  (Bug#6606)
+        (cal-tex-insert-day-names, cal-tex-insert-blank-days)
+        (cal-tex-insert-blank-days-at-end): Respect calendar-week-start-day.
+        (cal-tex-first-blank-p, cal-tex-last-blank-p): Simplify, and
+        respect calendar-week-start-day.
+
+2010-07-10  Chong Yidong  <cyd@stupidchicken.com>
+
+        * simple.el (use-region-p): Doc fix (Bug#6607).
+
 2010-07-10  Aleksei Gusev  <aleksei.gusev@gmail.com>  (tiny change)
 
         * progmodes/compile.el (compilation-error-regexp-alist-alist): Add
diff --git a/lisp/calendar/cal-tex.el b/lisp/calendar/cal-tex.el
index bbddc1ff38c..46fb0869787 100644
--- a/lisp/calendar/cal-tex.el
+++ b/lisp/calendar/cal-tex.el
@@ -1,7 +1,7 @@
 ;;; cal-tex.el --- calendar functions for printing calendars with LaTeX
 
-;; Copyright (C) 1995, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
-;;   Free Software Foundation, Inc.
+;; Copyright (C) 1995, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
+;;   2009, 2010  Free Software Foundation, Inc.
 
 ;; Author: Steve Fisk <fisk@bowdoin.edu>
 ;;         Edward M. Reingold <reingold@cs.uiuc.edu>
@@ -507,6 +507,7 @@ indicates a buffer position to use instead of point."
          (year (calendar-extract-year date))
          (end-month month)
          (end-year year)
+         ;; FIXME -landscape sets cal-tex-which-days?
          (d1 (calendar-absolute-from-gregorian (list month 1 year)))
          (d2 (progn
                (calendar-increment-month end-month end-year (1- n))
@@ -515,8 +516,7 @@ indicates a buffer position to use instead of point."
                       (calendar-last-day-of-month end-month end-year)
                       end-year))))
          (diary-list (if cal-tex-diary (cal-tex-list-diary-entries d1 d2)))
-         (holidays (if cal-tex-holidays (cal-tex-list-holidays d1 d2)))
-         other-month other-year)
+         (holidays (if cal-tex-holidays (cal-tex-list-holidays d1 d2))))
     (cal-tex-insert-preamble (cal-tex-number-weeks month year n) nil "12pt")
     (if (> n 1)
         (cal-tex-cmd cal-tex-cal-multi-month)
@@ -526,14 +526,12 @@ indicates a buffer position to use instead of point."
     (cal-tex-nl ".2cm")
     (cal-tex-insert-blank-days month year cal-tex-day-prefix)
     (dotimes (idummy n)
-      (setq other-month month
-            other-year year)
       (cal-tex-insert-days month year diary-list holidays cal-tex-day-prefix)
-      (when (= 6 (mod (calendar-absolute-from-gregorian
-                       (list month
-                             (calendar-last-day-of-month month year)
-                             year))
-                      7))           ; last day of month was Saturday
+      (when (= (calendar-week-end-day)
+               (calendar-day-of-week
+                (list month
+                      (calendar-last-day-of-month month year)
+                      year))) ; last day of month was last day of week
         (cal-tex-hfill)
         (cal-tex-nl))
       (calendar-increment-month month year 1))
@@ -570,13 +568,14 @@ are included.  Each day is formatted using format DAY-FORMAT."
 
 (defun cal-tex-insert-day-names ()
   "Insert the names of the days at top of a monthly calendar."
-  (dotimes (i 7)
-    (if (memq i cal-tex-which-days)
-        (insert (format cal-tex-day-name-format
-                        (cal-tex-LaTeXify-string
-                         (aref calendar-day-name-array
-                               (mod (+ calendar-week-start-day i) 7))))))
-    (cal-tex-comment)))
+  (let (j)
+    (dotimes (i 7)
+      (if (memq (setq j (mod (+ calendar-week-start-day i) 7))
+                cal-tex-which-days)
+          (insert (format cal-tex-day-name-format
+                          (cal-tex-LaTeXify-string
+                           (aref calendar-day-name-array j)))))
+      (cal-tex-comment))))
 
 (defun cal-tex-insert-month-header (n month year end-month end-year)
   "Create a title for a calendar.
@@ -603,7 +602,7 @@ blank, no days are inserted."
                  calendar-week-start-day)
               7)))
         (dotimes (i blank-days)
-          (if (memq i cal-tex-which-days)
+          (if (memq (mod (+ calendar-week-start-day i) 7) cal-tex-which-days)
               (insert (format day-format " " " ") "{}{}{}{}%\n"))))))
 
 (defun cal-tex-insert-blank-days-at-end (month year day-format)
@@ -619,38 +618,37 @@ The entry is formatted using DAY-FORMAT."
                7))
              (i blank-days))
         (while (<= (setq i (1+ i)) 6)
-          (if (memq i cal-tex-which-days)
+          (if (memq (mod (+ calendar-week-start-day i) 7) cal-tex-which-days)
               (insert (format day-format "" "") "{}{}{}{}%\n"))))))
 
 (defun cal-tex-first-blank-p (month year)
   "Determine if any days of the first week will be printed.
 Return t if there will there be any days of the first week printed
 in the calendar starting in MONTH YEAR."
-  (let (any-days the-saturday)        ; the day of week of 1st Saturday
-    (dotimes (i 7)
-      (if (= 6 (calendar-day-of-week (list month (1+ i) year)))
-          (setq the-saturday (1+ i))))
-    (dotimes (i the-saturday)
-      (if (memq (calendar-day-of-week (list month (1+ i) year))
-                cal-tex-which-days)
-          (setq any-days t)))
-    any-days))
+  ;; Check days 1-7 of the month, until we find the last day of the week.
+  (catch 'found
+    (let (dow)
+      (dotimes (i 7)
+        (if (memq (setq dow (calendar-day-of-week (list month (1+ i) year)))
+                  cal-tex-which-days)
+            (throw 'found t)
+          (if (= dow (calendar-week-end-day)) (throw 'found nil)))))))
 
 (defun cal-tex-last-blank-p (month year)
   "Determine if any days of the last week will be printed.
 Return t if there will there be any days of the last week printed
 in the calendar starting in MONTH YEAR."
-  (let* ((last-day (calendar-last-day-of-month month year))
-         (i (- last-day 7))
-         any-days the-sunday)          ; the day of week of last Sunday
-    (while (<= (setq i (1+ i)) last-day)
-      (if (zerop (calendar-day-of-week (list month i year)))
-          (setq the-sunday i)))
-    (setq i (1- the-sunday))
-    (while (<= (setq i (1+ i)) last-day)
-      (if (memq (calendar-day-of-week (list month i year)) cal-tex-which-days)
-          (setq any-days t)))
-    any-days))
+  ;; Check backwards from the last day of the month, until we find the
+  ;; start of the last week in the month.
+  (catch 'found
+    (let ((last-day (calendar-last-day-of-month month year))
+          day dow)
+      (dotimes (i 7)
+        (if (memq (setq dow (calendar-day-of-week
+                             (list month (- last-day i) year)))
+                  cal-tex-which-days)
+            (throw 'found t)
+          (if (= dow calendar-week-start-day) (throw 'found nil)))))))
 
 (defun cal-tex-number-weeks (month year n)
   "Determine the number of weeks in a range of dates.
@@ -1499,7 +1497,7 @@ Optional string COLSEP gives the column separation (default \"1mm\")."
           (- (calendar-day-of-week (list month 1 year))
              calendar-week-start-day)
           7))
-        (last (calendar-last-day-of-month month year))
+        (last( calendar-last-day-of-month month year))
         (str (concat "\\def\\" name "{\\hbox to" width "{%\n"
                      "\\vbox to" height "{%\n"
                      "\\vfil  \\hbox to" width "{%\n"
diff --git a/lisp/calendar/calendar.el b/lisp/calendar/calendar.el
index d92942d003f..418f740bb83 100644
--- a/lisp/calendar/calendar.el
+++ b/lisp/calendar/calendar.el
@@ -2226,6 +2226,10 @@ DATE is a list of the form (month day year).  A negative year is
 interpreted as BC; -1 being 1 BC, and so on."
   (mod (calendar-absolute-from-gregorian date) 7))
 
+(defun calendar-week-end-day ()
+  "Return the index (0 for Sunday, etc.) of the last day of the week."
+  (mod (+ calendar-week-start-day 6) 7))
+
 (defun calendar-unmark ()
   "Delete all diary/holiday marks/highlighting from the calendar."
   (interactive)
diff --git a/lisp/mail/rmailmm.el b/lisp/mail/rmailmm.el
index 415bc20cf50..e8ca11ee349 100644
--- a/lisp/mail/rmailmm.el
+++ b/lisp/mail/rmailmm.el
@@ -112,6 +112,10 @@ automatically display the image in the buffer."
                         (file-name-as-directory filename))))
     (with-temp-buffer
       (set-buffer-file-coding-system 'no-conversion)
+      ;; Needed e.g. by jka-compr, so if the attachment is a compressed
+      ;; file, the magic signature compares equal with the unibyte
+      ;; signature string recorded in jka-compr-compression-info-list.
+      (set-buffer-multibyte nil)
       (insert data)
       (write-region nil nil filename nil nil nil t))))
 
diff --git a/lisp/simple.el b/lisp/simple.el
index 20e109aaafe..939fbfe4e15 100644
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -3761,10 +3761,9 @@ point otherwise."
 This is used by commands that act specially on the region under
 Transient Mark mode.
 
-The return value is t provided Transient Mark mode is enabled and
-the mark is active; and, when `use-empty-active-region' is
-non-nil, provided the region is empty.  Otherwise, the return
-value is nil.
+The return value is t if Transient Mark mode is enabled and the
+mark is active; furthermore, if `use-empty-active-region' is nil,
+the region must not be empty.  Otherwise, the return value is nil.
 
 For some commands, it may be appropriate to ignore the value of
 `use-empty-active-region'; in that case, use `region-active-p'."
diff --git a/lisp/vc/vc.el b/lisp/vc/vc.el
index 434c2a10e14..20e56bbd42f 100644
--- a/lisp/vc/vc.el
+++ b/lisp/vc/vc.el
@@ -1437,6 +1437,16 @@ Runs the normal hooks `vc-before-checkin-hook' and `vc-checkin-hook'."
 ;;          (vc-call-backend ',(vc-backend f)
 ;;                           'diff (list ',f) ',rev1 ',rev2))))))
 
+(defvar vc-coding-system-inherit-eol t
+  "When non-nil, inherit the EOL format for reading Diff output from the file.
+
+Used in `vc-coding-system-for-diff' to determine the EOL format to use
+for reading Diff output for a file.  If non-nil, the EOL format is
+inherited from the file itself.
+Set this variable to nil if your Diff tool might use a different
+EOL.  Then Emacs will auto-detect the EOL format in Diff output, which
+gives better results.") ;; Cf. bug#4451.
+
 (defun vc-coding-system-for-diff (file)
   "Return the coding system for reading diff output for FILE."
   (or coding-system-for-read
@@ -1444,7 +1454,12 @@ Runs the normal hooks `vc-before-checkin-hook' and `vc-checkin-hook'."
       ;; use the buffer's coding system
       (let ((buf (find-buffer-visiting file)))
         (when buf (with-current-buffer buf
-                    buffer-file-coding-system)))
+                    (if vc-coding-system-inherit-eol
+                        buffer-file-coding-system
+                      ;; Don't inherit the EOL part of the coding-system,
+                      ;; because some Diff tools may choose to use
+                      ;; a different one.  bug#4451.
+                      (coding-system-base buffer-file-coding-system)))))
       ;; otherwise, try to find one based on the file name
       (car (find-operation-coding-system 'insert-file-contents file))
       ;; and a final fallback
diff --git a/lisp/xt-mouse.el b/lisp/xt-mouse.el
index 2d38c6e827c..f802103fbd7 100644
--- a/lisp/xt-mouse.el
+++ b/lisp/xt-mouse.el
@@ -122,8 +122,8 @@
 ;; read xterm sequences above ascii 127 (#x7f)
 (defun xterm-mouse-event-read ()
   (let ((c (read-char)))
-    (if (< c 0)
-        (+ c #x8000000 128)
+    (if (> c #x3FFF80)
+        (+ 128 (- c #x3FFF80))
       c)))
 
 (defun xterm-mouse-truncate-wrap (f)