Merge from emacs-24; up to 2012-12-29T12:57:49Z!fgallina@gnu.org

20 files changed, 63 insertions, 19 deletions

diff --git a/ChangeLog b/ChangeLog
index 2e4156c3c79..bd938539421 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2013-07-03  Christoph Egger  <christoph@debian.org>  (tiny change)
+
+        * configure.ac (emacs_broken_SIGIO): Set on gnu-kfreebsd to avoid hang.
+        http://bugs.debian.org/712974
+
 2013-07-02  Paul Eggert  <eggert@cs.ucla.edu>
 
         Remove some unused macros from 'configure'.
diff --git a/configure.ac b/configure.ac
index 0f26ecc1150..baf8aab1406 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3762,7 +3762,7 @@ emacs_broken_SIGIO=no
 case $opsys in
   dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
   dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
-  hpux* | irix6-5 | openbsd | sol2* | unixware )
+  hpux* | irix6-5 | openbsd | sol2* | unixware | gnu-kfreebsd )
     emacs_broken_SIGIO=yes
     ;;
 
diff --git a/doc/emacs/ChangeLog b/doc/emacs/ChangeLog
index d5f3095908b..e634117f89c 100644
--- a/doc/emacs/ChangeLog
+++ b/doc/emacs/ChangeLog
@@ -1,3 +1,11 @@
+2013-07-03  Glenn Morris  <rgm@gnu.org>
+
+        * maintaining.texi (EDE): Fix cross-reference.
+
+        * programs.texi (Program Modes): Fix emacs-xtra reference.
+
+        * help.texi (Misc Help): Index describe-syntax.
+
 2013-06-29  Eli Zaretskii  <eliz@gnu.org>
 
         * basic.texi (Moving Point): Document visual-order-cursor-movement
diff --git a/doc/emacs/help.texi b/doc/emacs/help.texi
index 75b250d0f40..e41d68a5f51 100644
--- a/doc/emacs/help.texi
+++ b/doc/emacs/help.texi
@@ -535,6 +535,8 @@ describes the commands and features that are changed in this mode.
 
 @kindex C-h b
 @findex describe-bindings
+@kindex C-h s
+@findex describe-syntax
   @kbd{C-h b} (@code{describe-bindings}) and @kbd{C-h s}
 (@code{describe-syntax}) show other information about the current
 environment within Emacs.  @kbd{C-h b} displays a list of all the key
diff --git a/doc/emacs/maintaining.texi b/doc/emacs/maintaining.texi
index 1b6374a4133..e89660dfaf5 100644
--- a/doc/emacs/maintaining.texi
+++ b/doc/emacs/maintaining.texi
@@ -2346,7 +2346,7 @@ directory trees.  The @dfn{project root} is the topmost directory of a
 project.  To define a new project, visit a file in the desired project
 root and type @kbd{M-x ede-new}.  This command prompts for a
 @dfn{project type}, which refers to the underlying method that EDE
-will use to manage the project (@pxref{Creating a Project, EDE,, ede,
+will use to manage the project (@pxref{Creating a project, EDE,, ede,
 Emacs Development Environment}).  The most common project types are
 @samp{Make}, which uses Makefiles, and @samp{Automake}, which uses GNU
 Automake (@pxref{Top, Automake,, automake, Automake}).  In both cases,
diff --git a/doc/emacs/programs.texi b/doc/emacs/programs.texi
index 70eecf1c97b..8bb851e75a4 100644
--- a/doc/emacs/programs.texi
+++ b/doc/emacs/programs.texi
@@ -119,17 +119,17 @@ those specified in the mode's own mode hook (@pxref{Major Modes}).
 For instance, entering C mode runs the hooks @code{prog-mode-hook} and
 @code{c-mode-hook}.  @xref{Hooks}, for information about hooks.
 
-@ifinfo
+@ifnottex
   Separate manuals are available for the modes for Ada (@pxref{Top,,
 Ada Mode, ada-mode, Ada Mode}), C/C++/Objective C/Java/Corba
 IDL/Pike/AWK (@pxref{Top, , CC Mode, ccmode, CC Mode}), and IDLWAVE
 (@pxref{Top,, IDLWAVE, idlwave, IDLWAVE User Manual}).
-@end ifinfo
-@ifnotinfo
+@end ifnottex
+@iftex
   The Emacs distribution contains Info manuals for the major modes for
 Ada, C/C++/Objective C/Java/Corba IDL/Pike/AWK, and IDLWAVE@.  For
 Fortran mode, @pxref{Fortran,,, emacs-xtra, Specialized Emacs Features}.
-@end ifnotinfo
+@end iftex
 
 @node Defuns
 @section Top-Level Definitions, or Defuns
diff --git a/doc/lispintro/ChangeLog b/doc/lispintro/ChangeLog
index a1fd9303866..4e6c2220f0d 100644
--- a/doc/lispintro/ChangeLog
+++ b/doc/lispintro/ChangeLog
@@ -1,3 +1,7 @@
+2013-07-03  Glenn Morris  <rgm@gnu.org>
+
+        * emacs-lisp-intro.texi (edebug): Fix cross-references.
+
 2013-06-19  Glenn Morris  <rgm@gnu.org>
 
         * Makefile.in (dist): Edit more configure variables.  (Bug#14660)
diff --git a/doc/lispintro/emacs-lisp-intro.texi b/doc/lispintro/emacs-lisp-intro.texi
index 221376e2353..1479573e315 100644
--- a/doc/lispintro/emacs-lisp-intro.texi
+++ b/doc/lispintro/emacs-lisp-intro.texi
@@ -18483,7 +18483,7 @@ shows which line you are currently executing.
 You can walk through the execution of a function, line by line, or run
 quickly until reaching a @dfn{breakpoint} where execution stops.
 
-Edebug is described in @ref{edebug, , Edebug, elisp, The GNU Emacs
+Edebug is described in @ref{Edebug, , , elisp, The GNU Emacs
 Lisp Reference Manual}.
 
 @need 1250
@@ -18610,7 +18610,7 @@ error or at specified stopping points; you can cause it to display the
 changing values of various expressions; you can find out how many
 times a function is called, and more.
 
-Edebug is described in @ref{edebug, , Edebug, elisp, The GNU Emacs
+Edebug is described in @ref{Edebug, , , elisp, The GNU Emacs
 Lisp Reference Manual}.
 
 @need 1500
diff --git a/doc/lispref/ChangeLog b/doc/lispref/ChangeLog
index dc0c1564735..aab609b16ac 100644
--- a/doc/lispref/ChangeLog
+++ b/doc/lispref/ChangeLog
@@ -1,3 +1,12 @@
+2013-07-03  Glenn Morris  <rgm@gnu.org>
+
+        * debugging.texi (Debugging):
+        * files.texi (File Attributes, Changing Files): Fix cross-references.
+
+        * package.texi (Package Archives): Fix @url call.
+
+        * syntax.texi (Syntax Table Functions): Mention describe-syntax.
+
 2013-06-29  Eli Zaretskii  <eliz@gnu.org>
 
         * display.texi (Bidirectional Display): Document move-point-visually.
diff --git a/doc/lispref/debugging.texi b/doc/lispref/debugging.texi
index 24629465525..335e3f802d2 100644
--- a/doc/lispref/debugging.texi
+++ b/doc/lispref/debugging.texi
@@ -32,7 +32,7 @@ program.
 
 @item
 You can use the ERT package to write regression tests for the program.
-@xref{Top,the ERT manual,, ERT, ERT: Emacs Lisp Regression Testing}.
+@xref{Top,the ERT manual,, ert, ERT: Emacs Lisp Regression Testing}.
 
 @item
 You can profile the program to get hints about how to make it more efficient.
diff --git a/doc/lispref/files.texi b/doc/lispref/files.texi
index 704ecfb6446..951d55ac90f 100644
--- a/doc/lispref/files.texi
+++ b/doc/lispref/files.texi
@@ -1115,7 +1115,7 @@ permissions} of @var{filename}, as an integer.  It recursively follows
 symbolic links in @var{filename} at all levels.  If @var{filename}
 does not exist, the return value is @code{nil}.
 
-@xref{File Permissions,,, coreutils, The @sc{gnu} @code{Coreutils}
+@xref{File permissions,,, coreutils, The @sc{gnu} @code{Coreutils}
 Manual}, for a description of mode bits.  If the low-order bit is 1,
 then the file is executable by all users, if the second-lowest-order
 bit is 1, then the file is writable by all users, etc.  The highest
@@ -1625,7 +1625,7 @@ octal numbers to enter @var{mode}.  For example,
 @noindent
 specifies that the file should be readable and writable for its owner,
 readable for group members, and readable for all other users.
-@xref{File Permissions,,, coreutils, The @sc{gnu} @code{Coreutils}
+@xref{File permissions,,, coreutils, The @sc{gnu} @code{Coreutils}
 Manual}, for a description of mode bit specifications.
 
 Interactively, @var{mode} is read from the minibuffer using
@@ -1676,7 +1676,7 @@ the permissions on which the specification is based are taken from the
 mode bits of @var{base-file}.  If @var{base-file} is omitted or
 @code{nil}, the function uses @code{0} as the base mode bits.  The
 complete and relative specifications can be combined, as in
-@code{"u+r,g+rx,o+r,g-w"}.  @xref{File Permissions,,, coreutils, The
+@code{"u+r,g+rx,o+r,g-w"}.  @xref{File permissions,,, coreutils, The
 @sc{gnu} @code{Coreutils} Manual}, for a description of file mode
 specifications.
 @end defun
diff --git a/doc/lispref/package.texi b/doc/lispref/package.texi
index ad9f4fc1aea..f4d6b590c77 100644
--- a/doc/lispref/package.texi
+++ b/doc/lispref/package.texi
@@ -265,7 +265,7 @@ variable @code{load-file-name} (@pxref{Loading}).  Here is an example:
   Via the Package Menu, users may download packages from @dfn{package
 archives}.  Such archives are specified by the variable
 @code{package-archives}, whose default value contains a single entry:
-the archive hosted by the GNU project at @url{elpa.gnu.org}.  This
+the archive hosted by the GNU project at @url{http://elpa.gnu.org}.  This
 section describes how to set up and maintain a package archive.
 
 @cindex base location, package archive
diff --git a/doc/lispref/syntax.texi b/doc/lispref/syntax.texi
index dfa121103bc..6bbd7a3a7b7 100644
--- a/doc/lispref/syntax.texi
+++ b/doc/lispref/syntax.texi
@@ -506,6 +506,11 @@ This function returns the current syntax table, which is the table for
 the current buffer.
 @end defun
 
+@deffn Command describe-syntax &optional buffer
+This command displays the contents of the syntax table of
+@var{buffer} (by default, the current buffer) in a help buffer.
+@end deffn
+
 @defmac with-syntax-table table body@dots{}
 This macro executes @var{body} using @var{table} as the current syntax
 table.  It returns the value of the last form in @var{body}, after
diff --git a/doc/misc/ChangeLog b/doc/misc/ChangeLog
index d0f229a9c9e..ef9bf827acf 100644
--- a/doc/misc/ChangeLog
+++ b/doc/misc/ChangeLog
@@ -1,3 +1,10 @@
+2013-07-03  Glenn Morris  <rgm@gnu.org>
+
+        * bovine.texi (top):
+        * cc-mode.texi (AWK Mode Font Locking):
+        * mh-e.texi (Preface):
+        * url.texi (URI Parsing): Fix cross-references to other manuals.
+
 2013-07-02  Lars Magne Ingebrigtsen  <larsi@gnus.org>
 
         * gnus.texi (Client-Side IMAP Splitting):
diff --git a/doc/misc/bovine.texi b/doc/misc/bovine.texi
index 978345e5cc8..81ec2eb80ec 100644
--- a/doc/misc/bovine.texi
+++ b/doc/misc/bovine.texi
@@ -76,7 +76,7 @@ The @dfn{bovine} parser is the original @semantic{} parser, and is an
 implementation of an @acronym{LL} parser.  It is good for simple
 languages.  It has many conveniences making grammar writing easy.  The
 conveniences make it less powerful than a Bison-like @acronym{LALR}
-parser.  For more information, @inforef{top, the Wisent Parser Manual,
+parser.  For more information, @inforef{Top, The Wisent Parser Manual,
 wisent}.
 
 Bovine @acronym{LL} grammars are stored in files with a @file{.by}
diff --git a/doc/misc/cc-mode.texi b/doc/misc/cc-mode.texi
index 4fa4e12cf88..4cc5d9c5767 100644
--- a/doc/misc/cc-mode.texi
+++ b/doc/misc/cc-mode.texi
@@ -2111,7 +2111,7 @@ contributing it: send a note to @email{bug-cc-mode@@gnu.org}.
 @comment !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
 The general appearance of font-locking in AWK mode is much like in any
-other programming mode.  @xref{Faces For Font Lock,,,elisp, GNU Emacs
+other programming mode.  @xref{Faces for Font Lock,,,elisp, GNU Emacs
 Lisp Reference Manual}.
 
 The following faces are, however, used in a non-standard fashion in
diff --git a/doc/misc/mh-e.texi b/doc/misc/mh-e.texi
index 154120f2e3b..353cc17fe69 100644
--- a/doc/misc/mh-e.texi
+++ b/doc/misc/mh-e.texi
@@ -233,7 +233,7 @@ read an online tutorial by starting GNU Emacs and typing @kbd{C-h t}
 @cite{GNU Emacs Manual},
 @end iftex
 @ifinfo
-@ref{top, , GNU Emacs Manual, emacs, GNU Emacs Manual},
+@ref{Top, , GNU Emacs Manual, emacs, GNU Emacs Manual},
 @end ifinfo
 @ifhtml
 @uref{http://www.gnu.org/software/emacs/manual/html_node/emacs/,
diff --git a/doc/misc/url.texi b/doc/misc/url.texi
index 49f8f3f0959..fdec68b1c61 100644
--- a/doc/misc/url.texi
+++ b/doc/misc/url.texi
@@ -138,7 +138,7 @@ Given a parsed URI, this function returns the corresponding URI string.
   The return value of @code{url-generic-parse-url}, and the argument
 expected by @code{url-recreate-url}, is a @dfn{parsed URI}: a CL
 structure whose slots hold the various components of the URI@.
-@xref{top,the CL Manual,,cl,GNU Emacs Common Lisp Emulation}, for
+@xref{Top,the CL Manual,,cl,GNU Emacs Common Lisp Emulation}, for
 details about CL structures.  Most of the other functions in the
 @code{url} library act on parsed URIs.
 
diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 8327fb03b4e..9e746b25146 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,5 +1,7 @@
 2013-07-03  Glenn Morris  <rgm@gnu.org>
 
+        * subr.el (y-or-n-p): Handle empty prompts.  (Bug#14770)
+
         Make info-xref checks case-sensitive by default
         * info.el (Info-find-node, Info-find-in-tag-table)
         (Info-find-node-in-buffer, Info-find-node-2, Info-goto-node):
diff --git a/lisp/subr.el b/lisp/subr.el
index b8a62023805..55cdcb45f50 100644
--- a/lisp/subr.el
+++ b/lisp/subr.el
@@ -2240,7 +2240,8 @@ is nil and `use-dialog-box' is non-nil."
     (cond
      (noninteractive
       (setq prompt (concat prompt
-                           (if (eq ?\s (aref prompt (1- (length prompt))))
+                           (if (or (zerop (length prompt))
+                                   (eq ?\s (aref prompt (1- (length prompt)))))
                                "" " ")
                            "(y or n) "))
       (let ((temp-prompt prompt))
@@ -2257,7 +2258,8 @@ is nil and `use-dialog-box' is non-nil."
             (x-popup-dialog t `(,prompt ("Yes" . act) ("No" . skip)))))
      (t
       (setq prompt (concat prompt
-                           (if (eq ?\s (aref prompt (1- (length prompt))))
+                           (if (or (zerop (length prompt))
+                                   (eq ?\s (aref prompt (1- (length prompt)))))
                                "" " ")
                            "(y or n) "))
       (while