Merge from emacs-23; up to 2010-05-26T14:19:15Z!monnier@iro.umontreal.ca.

19 files changed, 189 insertions, 63 deletions

diff --git a/doc/emacs/ChangeLog b/doc/emacs/ChangeLog
index 961fa9fb491..d04c0322862 100644
--- a/doc/emacs/ChangeLog
+++ b/doc/emacs/ChangeLog
@@ -1,3 +1,16 @@
+2011-02-05  Chong Yidong  <cyd@stupidchicken.com>
+
+	* rmail.texi (Rmail Display): Document Rmail MIME support more
+	accurately.
+
+	* maintaining.texi (VC Change Log): Document vc-log-incoming and
+	vc-log-outgoing.
+	(Merging): Document vc-find-conflicted-file.
+
+2011-02-05  Glenn Morris  <rgm@gnu.org>
+
+	* custom.texi (Variables): Fix typo.
+
 2011-01-31  Chong Yidong  <cyd@stupidchicken.com>
 
 	* search.texi (Regexps): Copyedits.  Mention character classes
diff --git a/doc/emacs/custom.texi b/doc/emacs/custom.texi
index 3bce186b38e..dfd55b13f18 100644
--- a/doc/emacs/custom.texi
+++ b/doc/emacs/custom.texi
@@ -770,7 +770,7 @@ using the help command @kbd{C-h v} (@code{describe-variable}).
 most interesting variables for a non-programmer user are those meant
 for users to change---these are called @dfn{user options}.  @xref{Easy
 Customization}, for information about using the Customize facility to
-set user options.  In the following sections, we describe will other
+set user options.  In the following sections, we will describe other
 aspects of Emacs variables, such as how to set them outside Customize.
 
   Emacs Lisp allows any variable (with a few exceptions) to have any
diff --git a/doc/emacs/maintaining.texi b/doc/emacs/maintaining.texi
index e1b8eef3828..60c569596ea 100644
--- a/doc/emacs/maintaining.texi
+++ b/doc/emacs/maintaining.texi
@@ -907,6 +907,14 @@ Display revision control state and change history
 @item C-x v L
 Display the change history for the current repository
 (@code{vc-print-root-log}).
+
+@item C-x v I
+Display the changes that will be received with a pull operation
+(@code{vc-log-incoming}).
+
+@item C-x v O
+Display the changes that will be sent by the next push operation
+(@code{vc-log-outgoing}).
 @end table
 
 @kindex C-x v l
@@ -928,6 +936,19 @@ version-controlled directory tree as a whole.  With a prefix argument,
 the command prompts for the maximum number of revisions to display.
 RCS, SCCS, and CVS do not support this feature.
 
+  On a distributed version control system, the @kbd{C-x v I}
+(@code{vc-log-incoming}) command displays a log buffer showing the
+changes that will be applied, the next time you run the version
+control system's ``pull'' command to get new revisions from another
+repository.  This other repository is the default one from which
+changes are pulled, as defined by the version control system; with a
+prefix argument, @code{vc-log-incoming} prompts for a specific
+repository from which changes would be pulled, and lists the changes
+accordingly.  Similarly, @kbd{C-x v O} (@code{vc-log-outgoing}) shows
+the changes that will be sent to another repository, the next time you
+run the ``push'' command; with a prefix argument, it prompts for a
+specific repository to which changes would be pushed.
+
   In the @samp{*vc-change-log*} buffer, you can use the following keys
 to move between the logs of revisions and of files, to view past
 revisions, to modify change comments, to view annotations and to view
@@ -1381,12 +1402,18 @@ master file revision with user B's changes in it is 1.11.
 @end group
 @end smallexample
 
-@cindex vc-resolve-conflicts
+@findex vc-resolve-conflicts
   Then you can resolve the conflicts by editing the file manually.  Or
 you can type @code{M-x vc-resolve-conflicts} after visiting the file.
 This starts an Ediff session, as described above.  Don't forget to
 commit the merged version afterwards.
 
+@findex vc-find-conflicted-file
+  If there is more than one conflicted file in a merge, type @kbd{M-x
+vc-find-conflicted-file} after resolving the conflicts in each file.
+This command visits the next conflicted file, and moves point to the
+first conflict marker in that file.
+
 @node Multi-User Branching
 @subsubsection Multi-User Branching
 
diff --git a/doc/emacs/rmail.texi b/doc/emacs/rmail.texi
index f1bb1f7aa9d..7a5a734443c 100644
--- a/doc/emacs/rmail.texi
+++ b/doc/emacs/rmail.texi
@@ -1142,12 +1142,12 @@ feature, set @code{rmail-highlighted-headers} to @code{nil}.
 
 @cindex MIME messages (Rmail)
 @vindex rmail-enable-mime
-  By default, Rmail automatically decodes @acronym{MIME} (Multipurpose
-Internet Mail Extensions) messages.  If the message contains multiple
-parts (@acronym{MIME} entities), each part is represented by a tagline
-in the Rmail buffer.  The tagline summarizes the part's depth, index,
-and type, and may also contain a button for handling it, e.g. saving
-it to a file or displaying it as an image in the Rmail buffer.
+  If a message is in @acronym{MIME} (Multipurpose Internet Mail
+Extensions) format and contains multiple parts (@acronym{MIME}
+entities), Rmail displays each part with a @dfn{tagline}.  The tagline
+summarizes the part's index, size, and content type.  Depending on the
+content type, it may also contain one or more buttons; these perform
+actions such as saving the part into a file.
 
 @table @kbd
 @findex rmail-mime-toggle-hidden
@@ -1157,7 +1157,7 @@ Hide or show the @acronym{MIME} part at point
 
 @findex rmail-mime-next-item
 @item @key{TAB}
-Move point to the next @acronym{MIME} part
+Move point to the next @acronym{MIME} tagline button.
 (@code{rmail-mime-next-item}).
 
 @findex rmail-mime-previous-item
@@ -1172,6 +1172,16 @@ Toggle between @acronym{MIME} display and raw message
 (@code{rmail-mime}).
 @end table
 
+  Each plain-text @acronym{MIME} part is initially displayed
+immediately after its tagline, as part of the Rmail buffer, while
+@acronym{MIME} parts of other types are represented only by their
+taglines, with their actual contents hidden.  In either case, you can
+toggle a @acronym{MIME} part between its ``displayed'' and ``hidden''
+states by typing @key{RET} anywhere in the part---or anywhere in its
+tagline, apart from a tagline button for some other action.  Type
+@key{RET} (or click with the mouse) to activate a tagline button, and
+@key{TAB} to cycle point between tagline buttons.
+
   The @kbd{v} (@code{rmail-mime}) command toggles between the default
 @acronym{MIME} display described above, and a ``raw'' display showing
 the undecoded @acronym{MIME} data.  With a prefix argument, this
diff --git a/doc/lispref/ChangeLog b/doc/lispref/ChangeLog
index e7ccc34494d..aab3fc16f1a 100644
--- a/doc/lispref/ChangeLog
+++ b/doc/lispref/ChangeLog
@@ -1,3 +1,8 @@
+2011-02-05  Chong Yidong  <cyd@stupidchicken.com>
+
+	* commands.texi (Accessing Mouse): Note that a header line is not
+	included in the row of posn-col-row.
+
 2011-02-02  Chong Yidong  <cyd@stupidchicken.com>
 
 	* modes.texi (Major Mode Conventions): Add face guidelines.
diff --git a/doc/lispref/commands.texi b/doc/lispref/commands.texi
index 25fd50b1591..4f8d554a68b 100644
--- a/doc/lispref/commands.texi
+++ b/doc/lispref/commands.texi
@@ -1927,10 +1927,17 @@ into frame-relative coordinates:
 @end defun
 
 @defun posn-col-row position
-Return the row and column (in units of the frame's default character
-height and width) of @var{position}, as a cons cell @code{(@var{col} .
-@var{row})}.  These are computed from the @var{x} and @var{y} values
-actually found in @var{position}.
+This function returns a cons cell @code{(@var{col} .  @var{row})},
+containing the estimated column and row corresponding to buffer
+position @var{position}.  The return value is given in units of the
+frame's default character width and height, as computed from the
+@var{x} and @var{y} values corresponding to @var{position}.  (So, if
+the actual characters have non-default sizes, the actual row and
+column may differ from these computed values.)
+
+Note that @var{row} is counted from the top of the text area.  If the
+window possesses a header line (@pxref{Header Lines}), it is
+@emph{not} counted as the first line.
 @end defun
 
 @defun posn-actual-col-row position
diff --git a/etc/NEWS.23 b/etc/NEWS.23
index 22c0b1de19c..6b6cbe48328 100644
--- a/etc/NEWS.23
+++ b/etc/NEWS.23
@@ -17,28 +17,52 @@ with a prefix argument or by typing C-u C-h C-n.
 
 * Installation Changes in Emacs 23.3
 
-* Startup Changes in Emacs 23.3
+** New configure option --with-crt-dir specifies the location of your
+crt*.o files, if they are in a non-standard location.  This is only
+used on x86-64 and s390x GNU/Linux architectures.
 
 * Changes in Emacs 23.3
 
-+++
 ** The last-resort backup file `%backup%~' is now written to
 `user-emacs-directory', instead of the user's home directory.
 
-
-* Editing Changes in Emacs 23.3
+** If Emacs creates `user-emacs-directory', that directory's
+permissions are now set to rwx------, ignoring the umask.
 
 
 * Changes in Specialized Modes and Packages in Emacs 23.3
 
----
-** The appt-add command takes an optional argument for the warning time.
+** Calendar and diary
+
+*** The appt-add command takes an optional argument, the warning time.
 This can be used in place of the default appt-message-warning-time.
 
----
-** You can allow inferior Python processes to load modules from the
+** Python mode
+
+*** You can allow inferior Python processes to load modules from the
 current directory by setting `python-remove-cwd-from-path' to nil.
 
+** Rmail
+
+*** The default value of `rmail-enable-mime' is now t.  Rmail decodes
+MIME contents automatically.  You can customize the variable
+`rmail-enable-mime' back to `nil' to disable this automatic MIME
+decoding.
+
+*** The command `rmail-mime' change the displaying of a MIME message
+between decoded presentation form and raw data if `rmail-enable-mime'
+is non-nil.  And, with prefix argument, it change only the displaying
+of the MIME entity at point.
+
+*** The new command `rmail-mime-next-item' (bound to TAB) moves point
+to the next item of MIME message.
+
+*** The new command `rmail-mime-previous-item' (bound to backtab) moves
+point to the previous item of MIME message.
+
+*** The new command `rmail-mime-toggle-hidden' (RET) hide or show the
+body of the MIME entity at point.
+
 ** VC and related modes
 
 *** New VC command `vc-log-incoming', bound to `C-x v I'.
@@ -51,14 +75,12 @@ This shows a log of changes to be sent in the next commit.
 
 *** New VC command vc-find-conflicted-file.
 
-+++
 *** The 'g' key in VC diff, log, log-incoming and log-outgoing buffers
 reruns the corresponding VC command to compute an up to date version
 of the buffer.
 
 *** vc-dir for Bzr supports viewing shelve contents and shelving snapshots.
 
-+++
 *** Special markup can be added to log-edit buffers.
 You can add headers specifying additional information to be supplied
 to the version control system.  For example:
@@ -71,30 +93,8 @@ Bazaar recognizes the headers "Author", "Date" and "Fixes".
 Git, Mercurial, and Monotone recognize "Author" and "Date".
 Any unknown header is left as is in the message, so it is not lost.
 
-** Rmail
-
-*** The default value of `rmail-enable-mime' is now t.  Rmail decodes
-MIME contents automatically.  You can customize the variable
-`rmail-enable-mime' back to `nil' to disable this automatic MIME
-decoding.
-
-*** The command `rmail-mime' change the displaying of a MIME message
-between decoded presentation form and raw data if `rmail-enable-mime'
-is non-nil.  And, with prefix argument, it change only the displaying
-of the MIME entity at point.
-
-*** The new command `rmail-mime-next-item' (bound to TAB) moves point
-to the next item of MIME message.
-
-*** The new command `rmail-mime-previous-item' (bound to backtab) moves
-point to the previous item of MIME message.
-
-*** The new command `rmail-mime-toggle-hidden' (RET) hide or show the
-body of the MIME entity at point.
-
 ** Obsolete packages
 
-+++
 *** lmenu.el and cl-compat.el are now obsolete.
 
 
@@ -115,26 +115,20 @@ starting from the first line of text below the header line.
 
 * Lisp changes in Emacs 23.3
 
-+++
 ** `e' and `pi' are now called `float-e' and `float-pi'.
   The old names are obsolete.
 
-+++
 ** The use of unintern without an obarray arg is now obsolete.
 
----
 ** The function `princ-list' is now obsolete.
 
-+++
 ** The yank-handler argument to kill-region and friends is now obsolete.
 
-+++
 ** New function byte-to-string, like char-to-string but for bytes.
 
 
 * Changes in Emacs 23.3 on non-free operating systems
 
-+++
 ** The nextstep port can have different modifiers for the left and right
 alt/option key by customizing the value for ns-right-alternate-modifier.
 
diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 5625fd4dc16..9857abb879b 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,17 @@
+2011-02-05  Glenn Morris  <rgm@gnu.org>
+
+	* emacs-lisp/cl-macs.el (return-from): Fix doc typo.
+
+	* calendar/diary-lib.el (diary-font-lock-keywords):
+	Tweak diary-time-regexp match.  (Bug#7891)
+
+	* progmodes/f90.el (f90-find-tag-default): New function.  (Bug#7919)
+	(f90-mode): Use it for mode's `find-tag-default-function' property.
+
+	* ibuf-ext.el (ibuffer-filter-disable): Make it work.  (Bug#7969)
+
+	* faces.el (set-face-attribute): Doc fix.  (Bug#2659)
+
 2011-02-05  Deniz Dogan  <deniz.a.m.dogan@gmail.com>
 
 	* net/rcirc.el (rcirc-handler-JOIN): Reset mode-line-process
diff --git a/lisp/calendar/diary-lib.el b/lisp/calendar/diary-lib.el
index c70808206af..2d162a5060d 100644
--- a/lisp/calendar/diary-lib.el
+++ b/lisp/calendar/diary-lib.el
@@ -2331,9 +2331,19 @@ return a font-lock pattern matching array of MONTHS and marking SYMBOL."
                          t))
      '(1 font-lock-reference-face))
     '(diary-font-lock-sexps . font-lock-keyword-face)
+    ;; Don't need to worry about space around "-" because the first
+    ;; match takes care of that.  It does mean the "-" itself may or
+    ;; may not be fontified though.
+    ;; diary-date-forms often include a final character that is not
+    ;; part of the date (eg a non-digit to mark the end of the year).
+    ;; This can use up the only space char between a date and time (b#7891).
+    ;; Hence we use OVERRIDE, which can only override whitespace.
+    ;; FIXME it's probably better to tighten up the diary-time-regexp
+    ;; and drop the whitespace requirement below.
     `(,(format "\\(^\\|\\s-\\)%s\\(-%s\\)?" diary-time-regexp
                diary-time-regexp)
-      . 'diary-time))))
+      . (0 'diary-time t)))))
+;      . 'diary-time))))
 
 (defvar diary-font-lock-keywords (diary-font-lock-keywords)
   "Forms to highlight in `diary-mode'.")
diff --git a/lisp/emacs-lisp/cl-macs.el b/lisp/emacs-lisp/cl-macs.el
index bef334b544c..80e95724f1f 100644
--- a/lisp/emacs-lisp/cl-macs.el
+++ b/lisp/emacs-lisp/cl-macs.el
@@ -628,7 +628,7 @@ This is equivalent to `(return-from nil RESULT)'."
 ;;;###autoload
 (defmacro return-from (name &optional result)
   "Return from the block named NAME.
-This jump out to the innermost enclosing `(block NAME ...)' form,
+This jumps out to the innermost enclosing `(block NAME ...)' form,
 returning RESULT from that form (or nil if RESULT is omitted).
 This is compatible with Common Lisp, but note that `defun' and
 `defmacro' do not create implicit blocks as they do in Common Lisp."
diff --git a/lisp/faces.el b/lisp/faces.el
index a9d26de604b..2a0badab370 100644
--- a/lisp/faces.el
+++ b/lisp/faces.el
@@ -588,10 +588,14 @@ It must be one of the symbols `ultra-condensed', `extra-condensed',
 
 `:height'
 
-VALUE must be either an integer specifying the height of the font to use
-in 1/10 pt, a floating point number specifying the amount by which to
-scale any underlying face, or a function, which is called with the old
-height (from the underlying face), and should return the new height.
+VALUE specifies the height of the font, in either absolute or relative
+terms.  An absolute height is an integer, and specifies font height in
+units of 1/10 pt.  A relative height is either a floating point number,
+which specifies a scaling factor for the underlying face height;
+or a function that takes a single argument (the underlying face height)
+and returns the new height.  Note that for the `default' face,
+you can only specify an absolute height (since there is nothing
+for it to be relative to).
 
 `:weight'
 
diff --git a/lisp/ibuf-ext.el b/lisp/ibuf-ext.el
index 55375f1e066..c77a479c0b1 100644
--- a/lisp/ibuf-ext.el
+++ b/lisp/ibuf-ext.el
@@ -771,7 +771,8 @@ The value from `ibuffer-saved-filter-groups' is used."
 (defun ibuffer-filter-disable ()
   "Disable all filters currently in effect in this buffer."
   (interactive)
-  (setq ibuffer-filtering-qualifiers nil)
+  (setq ibuffer-filtering-qualifiers nil
+	ibuffer-filter-groups nil)
   (let ((buf (ibuffer-current-buffer)))
     (ibuffer-update nil t)
     (when buf
diff --git a/lisp/progmodes/f90.el b/lisp/progmodes/f90.el
index c46120bbd63..ed745ae784e 100644
--- a/lisp/progmodes/f90.el
+++ b/lisp/progmodes/f90.el
@@ -2198,6 +2198,16 @@ CHANGE-WORD should be one of 'upcase-word, 'downcase-word, 'capitalize-word."
   (save-excursion
     (nth 1 (f90-beginning-of-subprogram))))
 
+(defun f90-find-tag-default ()
+  "Function to use for `find-tag-default-function' property in F90 mode."
+  (let ((tag (find-tag-default)))
+    (or (and tag
+             ;; See bug#7919. TODO I imagine there are other cases...?
+             (string-match "%\\(.+\\)" tag)
+             (match-string-no-properties 1 tag))
+        tag)))
+
+(put 'f90-mode 'find-tag-default-function 'f90-find-tag-default)
 
 (defun f90-backslash-not-special (&optional all)
   "Make the backslash character (\\) be non-special in the current buffer.
diff --git a/src/ChangeLog b/src/ChangeLog
index 02644342d46..d757a89836d 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,23 @@
+2011-02-05  Glenn Morris  <rgm@gnu.org>
+
+	* xfaces.c (Finternal_set_lisp_face_attribute):
+	Try to clarify some error messages.  (Bug#2659)
+
+2011-02-05  Stefan Monnier  <monnier@iro.umontreal.ca>
+
+	* editfns.c (save_restriction_restore): Don't forget to invalidate the
+	current_column cache (bug#7946).
+
+2011-02-05  Kenichi Handa  <handa@m17n.org>
+
+	* ftfont.c (ftfont_open): Use FC_DUAL only when it is defined.
+
+	* xftfont.c (xftfont_open): Likewise.
+
+2011-02-05  Andreas Schwab  <schwab@linux-m68k.org>
+
+	* window.c (Fselect_window): Add missing return value.
+
 2011-02-05  Paul Eggert  <eggert@cs.ucla.edu>
 
 	xstrcasecmp: conform to C89 pointer rules
diff --git a/src/editfns.c b/src/editfns.c
index 1733580ee32..f70b3312a69 100644
--- a/src/editfns.c
+++ b/src/editfns.c
@@ -3256,6 +3256,9 @@ save_restriction_restore (Lisp_Object data)
 	}
     }
 
+  /* Changing the buffer bounds invalidates any recorded current column.  */
+  invalidate_current_column ();
+
   if (cur)
     set_buffer_internal (cur);
 
diff --git a/src/ftfont.c b/src/ftfont.c
index 576bc42a6ff..db6b29421dc 100644
--- a/src/ftfont.c
+++ b/src/ftfont.c
@@ -1240,7 +1240,11 @@ ftfont_open (FRAME_PTR f, Lisp_Object entity, int pixel_size)
     spacing = XINT (AREF (entity, FONT_SPACING_INDEX));
   else
     spacing = FC_PROPORTIONAL;
-  if (spacing != FC_PROPORTIONAL && spacing != FC_DUAL)
+  if (spacing != FC_PROPORTIONAL
+#ifdef FC_DUAL
+      && spacing != FC_DUAL
+#endif	/* FC_DUAL */
+      )
     font->min_width = font->average_width = font->space_width
       = (scalable ? ft_face->max_advance_width * size / upEM
 	 : ft_face->size->metrics.max_advance >> 6);
diff --git a/src/window.c b/src/window.c
index 41eed893d6a..abf01758c3f 100644
--- a/src/window.c
+++ b/src/window.c
@@ -3589,7 +3589,7 @@ Note that the main editor command loop selects the buffer of the
 selected window before each command.  */)
      (register Lisp_Object window, Lisp_Object norecord)
 {
-  select_window (window, norecord, 0);
+  return select_window (window, norecord, 0);
 }
 
 static Lisp_Object
diff --git a/src/xfaces.c b/src/xfaces.c
index e4f9f317b8e..82ad0b9aeb6 100644
--- a/src/xfaces.c
+++ b/src/xfaces.c
@@ -2899,7 +2899,7 @@ FRAME 0 means change the face on all frames, and change the default
 	    {
 	      /* The default face must have an absolute size.  */
 	      if (!INTEGERP (value) || XINT (value) <= 0)
-		signal_error ("Invalid default face height", value);
+		signal_error ("Default face height not absolute and positive", value);
 	    }
 	  else
 	    {
@@ -2909,7 +2909,7 @@ FRAME 0 means change the face on all frames, and change the default
 						     make_number (10),
 						     Qnil);
 	      if (!INTEGERP (test) || XINT (test) <= 0)
-		signal_error ("Invalid face height", value);
+		signal_error ("Face height does not produce a positive integer", value);
 	    }
 	}
 
diff --git a/src/xftfont.c b/src/xftfont.c
index e7eabc47c39..084ca735171 100644
--- a/src/xftfont.c
+++ b/src/xftfont.c
@@ -411,7 +411,11 @@ xftfont_open (FRAME_PTR f, Lisp_Object entity, int pixel_size)
 	ascii_printable[i] = ' ' + i;
     }
   BLOCK_INPUT;
-  if (spacing != FC_PROPORTIONAL && spacing != FC_DUAL)
+  if (spacing != FC_PROPORTIONAL
+#ifdef FC_DUAL
+      && spacing != FC_DUAL
+#endif	/* FC_DUAL */
+      )
     {
       font->min_width = font->average_width = font->space_width
 	= xftfont->max_advance_width;