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[PATCH 1/3] Use ', not `, for quoting output.


From: Paul Eggert
Subject: [PATCH 1/3] Use ', not `, for quoting output.
Date: Mon, 26 Dec 2011 17:39:39 -0800
User-agent: Mozilla/5.0 (X11; Linux i686; rv:8.0) Gecko/20111124 Thunderbird/8.0

---
 build-aux/announce-gen                    |   18 +++---
 build-aux/compile                         |   10 ++--
 build-aux/config.guess                    |    6 +-
 build-aux/config.sub                      |   10 ++--
 build-aux/depcomp                         |    8 +-
 build-aux/elisp-comp                      |   10 ++--
 build-aux/gendocs.sh                      |    8 +-
 build-aux/git-version-gen                 |    8 +-
 build-aux/gitlog-to-changelog             |    6 +-
 build-aux/gnupload                        |    8 +-
 build-aux/mdate-sh                        |    8 +-
 build-aux/missing                         |  100 ++++++++++++++--------------
 build-aux/move-if-change                  |    4 +-
 build-aux/useless-if-before-free          |    8 +-
 build-aux/ylwrap                          |    4 +-
 check-module                              |   10 ++--
 lib/argmatch.c                            |    2 +-
 lib/argp-help.c                           |    2 +-
 lib/getopt1.c                             |    4 +-
 lib/git-merge-changelog.c                 |    2 +-
 lib/xstrtol-error.c                       |    6 +-
 m4/alloca.m4                              |   10 ++--
 m4/argz.m4                                |    2 +-
 m4/bison.m4                               |    6 +-
 m4/calloc.m4                              |    2 +-
 m4/extensions.m4                          |    2 +-
 m4/flexmember.m4                          |    2 +-
 m4/fpending.m4                            |    2 +-
 m4/gc-random.m4                           |    6 +-
 m4/intl.m4                                |    2 +-
 m4/link-follow.m4                         |    2 +-
 m4/longlong.m4                            |    4 +-
 m4/ls-mntd-fs.m4                          |    2 +-
 m4/lstat.m4                               |    2 +-
 m4/onceonly.m4                            |    2 +-
 m4/posixver.m4                            |   12 ++--
 tests/test-dirname.c                      |   12 ++--
 tests/test-getpass.c                      |    2 +-
 tests/test-iconvme.c                      |    8 +-
 tests/test-parse-datetime.c               |    2 +-
 tests/test-xstrtoimax.sh                  |    8 +-
 tests/test-xstrtol.sh                     |   18 +++---
 tests/test-xstrtoll.sh                    |   18 +++---
 tests/test-xstrtoumax.sh                  |   10 ++--
 tests/unigbrk/test-uc-is-grapheme-break.c |    6 +-
 top/GNUmakefile                           |    2 +-
 46 files changed, 194 insertions(+), 192 deletions(-)

diff --git a/build-aux/announce-gen b/build-aux/announce-gen
index 5062bc0..d9f1319 100755
--- a/build-aux/announce-gen
+++ b/build-aux/announce-gen
@@ -3,7 +3,7 @@ eval '(exit $?0)' && eval 'exec perl -wS "$0" ${1+"$@"}'
     if 0;
 # Generate a release announcement message.
 
-my $VERSION = '2011-12-25 18:26'; # UTC
+my $VERSION = '2011-12-25 18:38'; # UTC
 # The definition above must lie within the first 8 lines in order
 # for the Emacs time-stamp write hook (at end) to update it.
 # If you change this file with Emacs, please let the write hook
@@ -44,7 +44,7 @@ sub usage ($)
   my $STREAM = ($exit_code == 0 ? *STDOUT : *STDERR);
   if ($exit_code != 0)
     {
-      print $STREAM "Try `$ME --help' for more information.\n";
+      print $STREAM "Try '$ME --help' for more information.\n";
     }
   else
     {
@@ -106,7 +106,7 @@ sub sizes (@)
       my $t = `$cmd`;
       # FIXME-someday: give a better diagnostic, a la $PROCESS_STATUS
       $@
-        and (warn "$ME: command failed: `$cmd'\n"), $fail = 1;
+        and (warn "$ME: command failed: '$cmd'\n"), $fail = 1;
       chomp $t;
       $t =~ s/^([\d.]+[MkK]).*/${1}B/;
       $res{$f} = $t;
@@ -222,9 +222,9 @@ sub print_news_deltas ($$$)
   close NEWS;
 
   $in_items
-    or die "$ME: $news_file: no matching lines for `$curr_version'\n";
+    or die "$ME: $news_file: no matching lines for '$curr_version'\n";
   $found_news
-    or die "$ME: $news_file: no news item found for `$curr_version'\n";
+    or die "$ME: $news_file: no news item found for '$curr_version'\n";
 }
 
 sub print_changelog_deltas ($$)
@@ -280,7 +280,7 @@ sub print_changelog_deltas ($$)
 
   my $cmd = "cvs -n diff -u -r$prev_cvs_tag -rHEAD @reordered";
   open DIFF, '-|', $cmd
-    or die "$ME: cannot run `$cmd': $!\n";
+    or die "$ME: cannot run '$cmd': $!\n";
   # Print two types of lines, making minor changes:
   # Lines starting with `+++ ', e.g.,
   # +++ ChangeLog   22 Feb 2003 16:52:51 -0000      1.247
@@ -310,7 +310,7 @@ sub print_changelog_deltas ($$)
   # The exit code should be 1.
   # Allow in case there are no modified ChangeLog entries.
   $? == 256 || $? == 128
-    or warn "$ME: warning: `$cmd' had unexpected exit code or signal ($?)\n";
+    or warn "$ME: warning: '$cmd' had unexpected exit code or signal ($?)\n";
 }
 
 sub get_tool_versions ($$)
@@ -410,7 +410,7 @@ sub get_tool_versions ($$)
         . "in the gnulib source directory.\n"), $fail = 1;
 
   exists $valid_release_types{$release_type}
-    or (warn "$ME: `$release_type': invalid release type\n"), $fail = 1;
+    or (warn "$ME: '$release_type': invalid release type\n"), $fail = 1;
 
   @ARGV
     and (warn "$ME: too many arguments:\n", join ("\n", @ARGV), "\n"),
@@ -505,7 +505,7 @@ then run this command to import it:
 
   gpg --keyserver keys.gnupg.net --recv-keys $gpg_key_id
 
-and rerun the \`gpg --verify' command.
+and rerun the 'gpg --verify' command.
 EOF
 
   my @tool_versions = get_tool_versions (address@hidden, $gnulib_version);
diff --git a/build-aux/compile b/build-aux/compile
index bac481c..52264d0 100755
--- a/build-aux/compile
+++ b/build-aux/compile
@@ -1,7 +1,7 @@
 #! /bin/sh
 # Wrapper for compilers which do not understand `-c -o'.
 
-scriptversion=2010-11-15.09; # UTC
+scriptversion=2011-12-23.20; # UTC
 
 # Copyright (C) 1999, 2000, 2003, 2004, 2005, 2009, 2010 Free Software
 # Foundation, Inc.
@@ -196,19 +196,19 @@ eat=
 
 case $1 in
   '')
-     echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
+     echo "$0: No command.  Try '$0 --help' for more information." 1>&2
      exit 1;
      ;;
   -h | --h*)
     cat <<\EOF
 Usage: compile [--help] [--version] PROGRAM [ARGS]
 
-Wrapper for compilers which do not understand `-c -o'.
-Remove `-o dest.o' from ARGS, run PROGRAM with the remaining
+Wrapper for compilers which do not understand '-c -o'.
+Remove '-o dest.o' from ARGS, run PROGRAM with the remaining
 arguments, and rename the output as expected.
 
 If you are trying to build a whole package this is not the
-right script to run: please start by reading the file `INSTALL'.
+right script to run: please start by reading the file 'INSTALL'.
 
 Report bugs to <address@hidden>.
 EOF
diff --git a/build-aux/config.guess b/build-aux/config.guess
index 8152efd..746d31b 100755
--- a/build-aux/config.guess
+++ b/build-aux/config.guess
@@ -4,7 +4,7 @@
 #   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
 #   2011 Free Software Foundation, Inc.
 
-timestamp='2011-11-11'
+timestamp='2011-12-23'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -43,7 +43,7 @@ me=`echo "$0" | sed -e 's,.*/,,'`
 usage="\
 Usage: $0 [OPTION]
 
-Output the configuration name of the system \`$me' is run on.
+Output the configuration name of the system '$me' is run on.
 
 Operation modes:
   -h, --help         print this help, then exit
@@ -64,7 +64,7 @@ This is free software; see the source for copying conditions. 
 There is NO
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
 
 help="
-Try \`$me --help' for more information."
+Try '$me --help' for more information."
 
 # Parse command line
 while test $# -gt 0 ; do
diff --git a/build-aux/config.sub b/build-aux/config.sub
index e76eaf4..83804e7 100755
--- a/build-aux/config.sub
+++ b/build-aux/config.sub
@@ -4,7 +4,7 @@
 #   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
 #   2011 Free Software Foundation, Inc.
 
-timestamp='2011-11-11'
+timestamp='2011-12-23'
 
 # This file is (in principle) common to ALL GNU software.
 # The presence of a machine in this file suggests that SOME GNU software
@@ -83,7 +83,7 @@ This is free software; see the source for copying conditions. 
 There is NO
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
 
 help="
-Try \`$me --help' for more information."
+Try '$me --help' for more information."
 
 # Parse command line
 while test $# -gt 0 ; do
@@ -350,7 +350,7 @@ case $basic_machine in
          ;;
        # Object if more than one company name word.
        *-*-*)
-               echo Invalid configuration \`$1\': machine \`$basic_machine\' 
not recognized 1>&2
+               echo Invalid configuration \'$1\': machine \'$basic_machine\' 
not recognized 1>&2
                exit 1
                ;;
        # Recognize the basic CPU types with company name.
@@ -1285,7 +1285,7 @@ case $basic_machine in
                # Make sure to match an already-canonicalized machine name.
                ;;
        *)
-               echo Invalid configuration \`$1\': machine \`$basic_machine\' 
not recognized 1>&2
+               echo Invalid configuration \'$1\': machine \'$basic_machine\' 
not recognized 1>&2
                exit 1
                ;;
 esac
@@ -1497,7 +1497,7 @@ case $os in
        *)
                # Get rid of the `-' at the beginning of $os.
                os=`echo $os | sed 's/[^-]*-//'`
-               echo Invalid configuration \`$1\': system \`$os\' not 
recognized 1>&2
+               echo Invalid configuration \'$1\': system \'$os\' not 
recognized" 1>&2
                exit 1
                ;;
 esac
diff --git a/build-aux/depcomp b/build-aux/depcomp
index bd0ac08..f7fd597 100755
--- a/build-aux/depcomp
+++ b/build-aux/depcomp
@@ -1,7 +1,7 @@
 #! /bin/sh
 # depcomp - compile a program generating dependencies as side-effects
 
-scriptversion=2011-12-04.11; # UTC
+scriptversion=2011-12-23.20; # UTC
 
 # Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007, 2009, 2010,
 # 2011 Free Software Foundation, Inc.
@@ -28,7 +28,7 @@ scriptversion=2011-12-04.11; # UTC
 
 case $1 in
   '')
-     echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
+     echo "$0: No command.  Try '$0 --help' for more information." 1>&2
      exit 1;
      ;;
   -h | --h*)
@@ -40,8 +40,8 @@ as side-effects.
 
 Environment variables:
   depmode     Dependency tracking mode.
-  source      Source file read by `PROGRAMS ARGS'.
-  object      Object file output by `PROGRAMS ARGS'.
+  source      Source file read by 'PROGRAMS ARGS'.
+  object      Object file output by 'PROGRAMS ARGS'.
   DEPDIR      directory where to store dependencies.
   depfile     Dependency file to output.
   tmpdepfile  Temporary file to use when outputting dependencies.
diff --git a/build-aux/elisp-comp b/build-aux/elisp-comp
index ecc6b15..086914b 100755
--- a/build-aux/elisp-comp
+++ b/build-aux/elisp-comp
@@ -2,7 +2,7 @@
 # Copyright (C) 1995, 2000, 2003, 2004, 2005, 2009, 2010 Free Software
 # Foundation, Inc.
 
-scriptversion=2010-02-06.18; # UTC
+scriptversion=2011-12-23.20; # UTC
 
 # Franc,ois Pinard <address@hidden>, 1995.
 #
@@ -30,16 +30,16 @@ scriptversion=2010-02-06.18; # UTC
 
 case $1 in
   '')
-     echo "$0: No files.  Try \`$0 --help' for more information." 1>&2
+     echo "$0: No files.  Try '$0 --help' for more information." 1>&2
      exit 1;
      ;;
   -h | --h*)
     cat <<\EOF
 Usage: elisp-comp [--help] [--version] FILES...
 
-This script byte-compiles all `.el' files listed as FILES using GNU
-Emacs, and put the resulting `.elc' files into the current directory,
-so disregarding the original directories used in `.el' arguments.
+This script byte-compiles all '.el' files listed as FILES using GNU
+Emacs, and put the resulting '.elc' files into the current directory,
+so disregarding the original directories used in '.el' arguments.
 
 This script manages in such a way that all Emacs LISP files to
 be compiled are made visible between themselves, in the event
diff --git a/build-aux/gendocs.sh b/build-aux/gendocs.sh
index c8abd55..f4b51bc 100755
--- a/build-aux/gendocs.sh
+++ b/build-aux/gendocs.sh
@@ -2,7 +2,7 @@
 # gendocs.sh -- generate a GNU manual in many formats.  This script is
 #   mentioned in maintain.texi.  See the help message below for usage details.
 
-scriptversion=2011-04-08.14
+scriptversion=2011-12-23.12
 
 # Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software
 # Foundation, Inc.
@@ -140,8 +140,8 @@ while test $# -gt 0; do
     --html) shift; htmlarg=$1;;
     --texi2html) use_texi2html=1;;
     -*)
-      echo "$0: Unknown option \`$1'." >&2
-      echo "$0: Try \`--help' for more information." >&2
+      echo "$0: Unknown option '$1'." >&2
+      echo "$0: Try '--help' for more information." >&2
       exit 1;;
     *)
       if test -z "$PACKAGE"; then
@@ -149,7 +149,7 @@ while test $# -gt 0; do
       elif test -z "$MANUAL_TITLE"; then
         MANUAL_TITLE=$1
       else
-        echo "$0: extra non-option argument \`$1'." >&2
+        echo "$0: extra non-option argument '$1'." >&2
         exit 1
       fi;;
   esac
diff --git a/build-aux/git-version-gen b/build-aux/git-version-gen
index c7a58af..6dfd529 100755
--- a/build-aux/git-version-gen
+++ b/build-aux/git-version-gen
@@ -1,6 +1,6 @@
 #!/bin/sh
 # Print a version string.
-scriptversion=2011-11-13.13; # UTC
+scriptversion=2011-12-23.20; # UTC
 
 # Copyright (C) 2007-2011 Free Software Foundation, Inc.
 #
@@ -98,8 +98,8 @@ while test $# -gt 0; do
     --version) echo "$version"; exit 0;;
     --prefix) shift; prefix="$1";;
     -*)
-      echo "$0: Unknown option \`$1'." >&2
-      echo "$0: Try \`--help' for more information." >&2
+      echo "$0: Unknown option '$1'." >&2
+      echo "$0: Try '--help' for more information." >&2
       exit 1;;
     *)
       if test -z "$tarball_version_file"; then
@@ -107,7 +107,7 @@ while test $# -gt 0; do
       elif test -z "$tag_sed_script"; then
         tag_sed_script="$1"
       else
-        echo "$0: extra non-option argument \`$1'." >&2
+        echo "$0: extra non-option argument '$1'." >&2
         exit 1
       fi;;
   esac
diff --git a/build-aux/gitlog-to-changelog b/build-aux/gitlog-to-changelog
index 40a8035..5046995 100755
--- a/build-aux/gitlog-to-changelog
+++ b/build-aux/gitlog-to-changelog
@@ -3,7 +3,7 @@ eval '(exit $?0)' && eval 'exec perl -wS "$0" ${1+"$@"}'
     if 0;
 # Convert git log output to ChangeLog format.
 
-my $VERSION = '2011-11-02 07:53'; # UTC
+my $VERSION = '2011-12-23 20:24'; # UTC
 # The definition above must lie within the first 8 lines in order
 # for the Emacs time-stamp write hook (at end) to update it.
 # If you change this file with Emacs, please let the write hook
@@ -47,7 +47,7 @@ sub usage ($)
   my $STREAM = ($exit_code == 0 ? *STDOUT : *STDERR);
   if ($exit_code != 0)
     {
-      print $STREAM "Try `$ME --help' for more information.\n";
+      print $STREAM "Try '$ME --help' for more information.\n";
     }
   else
     {
@@ -196,7 +196,7 @@ sub parse_amend_file($)
   my @cmd = (qw (git log --log-size),
              '--pretty=format:%H:%ct  %an  <%ae>%n%n'.$format_string, @ARGV);
   open PIPE, '-|', @cmd
-    or die ("$ME: failed to run `". quoted_cmd (@cmd) ."': $!\n"
+    or die ("$ME: failed to run '". quoted_cmd (@cmd) ."': $!\n"
             . "(Is your Git too old?  Version 1.5.1 or later is required.)\n");
 
   my $prev_date_line = '';
diff --git a/build-aux/gnupload b/build-aux/gnupload
index edb4b56..98d13fa 100755
--- a/build-aux/gnupload
+++ b/build-aux/gnupload
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Sign files and upload them.
 
-scriptversion=2010-05-23.15; # UTC
+scriptversion=2011-12-23.20; # UTC
 
 # Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software
 # Foundation, Inc.
@@ -57,7 +57,7 @@ Options:
   --version                output version information and exit
 
 If --symlink-regex is given without EXPR, then the link target name
-is created by replacing the version information with \`-latest', e.g.:
+is created by replacing the version information with '-latest', e.g.:
 
   foo-1.3.4.tar.gz -> foo-latest.tar.gz
 
@@ -170,7 +170,7 @@ while test -n "$1"; do
       break
       ;;
     -*)
-      echo "$0: Unknown option \`$1', try \`$0 --help'" 1>&2
+      echo "$0: Unknown option '$1', try '$0 --help'" 1>&2
       exit 1
       ;;
     esac
@@ -219,7 +219,7 @@ else
   for file
   do
     if test ! -f $file; then
-      echo "$0: Cannot find \`$file'" 1>&2
+      echo "$0: Cannot find '$file'" 1>&2
       exit 1
     elif test -n "$symlink_expr"; then
       linkname=`echo $file | sed "$symlink_expr"`
diff --git a/build-aux/mdate-sh b/build-aux/mdate-sh
index 60dc485..f38753b 100755
--- a/build-aux/mdate-sh
+++ b/build-aux/mdate-sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Get modification time of a file or directory and pretty-print it.
 
-scriptversion=2010-08-21.06; # UTC
+scriptversion=2011-12-23.20; # UTC
 
 # Copyright (C) 1995, 1996, 1997, 2003, 2004, 2005, 2007, 2009, 2010
 # Free Software Foundation, Inc.
@@ -40,7 +40,7 @@ fi
 
 case $1 in
   '')
-     echo "$0: No file.  Try \`$0 --help' for more information." 1>&2
+     echo "$0: No file.  Try '$0 --help' for more information." 1>&2
      exit 1;
      ;;
   -h | --h*)
@@ -116,7 +116,7 @@ month=
 command=
 until test $month
 do
-  test $# -gt 0 || error "failed parsing \`$ls_command /' output"
+  test $# -gt 0 || error "failed parsing '$ls_command /' output"
   shift
   # Add another shift to the command.
   command="$command shift;"
@@ -136,7 +136,7 @@ do
   esac
 done
 
-test -n "$month" || error "failed parsing \`$ls_command /' output"
+test -n "$month" || error "failed parsing '$ls_command /' output"
 
 # Get the extended ls output of the file or directory.
 set dummy x`eval "$ls_command \"\\\$save_arg1\""`
diff --git a/build-aux/missing b/build-aux/missing
index 1039955..2d95e27 100755
--- a/build-aux/missing
+++ b/build-aux/missing
@@ -1,7 +1,7 @@
 #! /bin/sh
 # Common stub for a few missing GNU programs while installing.
 
-scriptversion=2011-12-22.11; # UTC
+scriptversion=2011-12-23.20; # UTC
 
 # Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, 2006,
 # 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
@@ -26,7 +26,7 @@ scriptversion=2011-12-22.11; # UTC
 # the same distribution terms that you use for the rest of that program.
 
 if test $# -eq 0; then
-  echo 1>&2 "Try \`$0 --help' for more information"
+  echo 1>&2 "Try '$0 --help' for more information"
   exit 1
 fi
 
@@ -65,7 +65,7 @@ case $1 in
     echo "\
 $0 [OPTION]... PROGRAM [ARGUMENT]...
 
-Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
+Handle 'PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
 error status if there is no known handling for PROGRAM.
 
 Options:
@@ -74,21 +74,21 @@ Options:
   --run           try to run the given command, and emulate it if it fails
 
 Supported PROGRAM values:
-  aclocal      touch file \`aclocal.m4'
-  autoconf     touch file \`configure'
-  autoheader   touch file \`config.h.in'
+  aclocal      touch file 'aclocal.m4'
+  autoconf     touch file 'configure'
+  autoheader   touch file 'config.h.in'
   autom4te     touch the output file, or create a stub one
-  automake     touch all \`Makefile.in' files
-  bison        create \`y.tab.[ch]', if possible, from existing .[ch]
-  flex         create \`lex.yy.c', if possible, from existing .c
+  automake     touch all 'Makefile.in' files
+  bison        create 'y.tab.[ch]', if possible, from existing .[ch]
+  flex         create 'lex.yy.c', if possible, from existing .c
   help2man     touch the output file
-  lex          create \`lex.yy.c', if possible, from existing .c
+  lex          create 'lex.yy.c', if possible, from existing .c
   makeinfo     touch the output file
   tar          try tar, gnutar, gtar, then tar without non-portable flags
-  yacc         create \`y.tab.[ch]', if possible, from existing .[ch]
+  yacc         create 'y.tab.[ch]', if possible, from existing .[ch]
 
-Version suffixes to PROGRAM as well as the prefixes \`gnu-', \`gnu', and
-\`g' are ignored when checking the name.
+Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and
+'g' are ignored when checking the name.
 
 Send bug reports to <address@hidden>."
     exit $?
@@ -100,8 +100,8 @@ Send bug reports to <address@hidden>."
     ;;
 
   -*)
-    echo 1>&2 "$0: Unknown \`$1' option"
-    echo 1>&2 "Try \`$0 --help' for more information"
+    echo 1>&2 "$0: Unknown '$1' option"
+    echo 1>&2 "Try '$0 --help' for more information"
     exit 1
     ;;
 
@@ -124,7 +124,7 @@ case $1 in
 
   tar*)
     if test -n "$run"; then
-       echo 1>&2 "ERROR: \`tar' requires --run"
+       echo 1>&2 "ERROR: 'tar' requires --run"
        exit 1
     elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
        exit 1
@@ -149,27 +149,27 @@ esac
 case $program in
   aclocal*)
     echo 1>&2 "\
-WARNING: \`$1' is $msg.  You should only need it if
-         you modified \`acinclude.m4' or \`${configure_ac}'.  You might want
-         to install the \`Automake' and \`Perl' packages.  Grab them from
+WARNING: '$1' is $msg.  You should only need it if
+         you modified 'acinclude.m4' or '${configure_ac}'.  You might want
+         to install the Automake and Perl packages.  Grab them from
          any GNU archive site."
     touch aclocal.m4
     ;;
 
   autoconf*)
     echo 1>&2 "\
-WARNING: \`$1' is $msg.  You should only need it if
-         you modified \`${configure_ac}'.  You might want to install the
-         \`Autoconf' and \`GNU m4' packages.  Grab them from any GNU
+WARNING: '$1' is $msg.  You should only need it if
+         you modified '${configure_ac}'.  You might want to install the
+         Autoconf and GNU m4 packages.  Grab them from any GNU
          archive site."
     touch configure
     ;;
 
   autoheader*)
     echo 1>&2 "\
-WARNING: \`$1' is $msg.  You should only need it if
-         you modified \`acconfig.h' or \`${configure_ac}'.  You might want
-         to install the \`Autoconf' and \`GNU m4' packages.  Grab them
+WARNING: '$1' is $msg.  You should only need it if
+         you modified 'acconfig.h' or '${configure_ac}'.  You might want
+         to install the Autoconf and GNU m4 packages.  Grab them
          from any GNU archive site."
     files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' 
${configure_ac}`
     test -z "$files" && files="config.h"
@@ -186,9 +186,9 @@ WARNING: \`$1' is $msg.  You should only need it if
 
   automake*)
     echo 1>&2 "\
-WARNING: \`$1' is $msg.  You should only need it if
-         you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'.
-         You might want to install the \`Automake' and \`Perl' packages.
+WARNING: '$1' is $msg.  You should only need it if
+         you modified 'Makefile.am', 'acinclude.m4' or '${configure_ac}'.
+         You might want to install the Automake and Perl packages.
          Grab them from any GNU archive site."
     find . -type f -name Makefile.am -print |
           sed 's/\.am$/.in/' |
@@ -197,10 +197,10 @@ WARNING: \`$1' is $msg.  You should only need it if
 
   autom4te*)
     echo 1>&2 "\
-WARNING: \`$1' is needed, but is $msg.
+WARNING: '$1' is needed, but is $msg.
          You might have modified some files without having the
          proper tools for further handling them.
-         You can get \`$1' as part of \`Autoconf' from any GNU
+         You can get '$1' as part of Autoconf from any GNU
          archive site."
 
     file=`echo "$*" | sed -n "$sed_output"`
@@ -220,10 +220,10 @@ WARNING: \`$1' is needed, but is $msg.
 
   bison*|yacc*)
     echo 1>&2 "\
-WARNING: \`$1' $msg.  You should only need it if
-         you modified a \`.y' file.  You may need the \`Bison' package
+WARNING: '$1' $msg.  You should only need it if
+         you modified a '.y' file.  You may need the Bison package
          in order for those modifications to take effect.  You can get
-         \`Bison' from any GNU archive site."
+         Bison from any GNU archive site."
     rm -f y.tab.c y.tab.h
     if test $# -ne 1; then
         eval LASTARG=\${$#}
@@ -250,10 +250,10 @@ WARNING: \`$1' $msg.  You should only need it if
 
   lex*|flex*)
     echo 1>&2 "\
-WARNING: \`$1' is $msg.  You should only need it if
-         you modified a \`.l' file.  You may need the \`Flex' package
+WARNING: '$1' is $msg.  You should only need it if
+         you modified a '.l' file.  You may need the Flex package
          in order for those modifications to take effect.  You can get
-         \`Flex' from any GNU archive site."
+         Flex from any GNU archive site."
     rm -f lex.yy.c
     if test $# -ne 1; then
         eval LASTARG=\${$#}
@@ -273,10 +273,10 @@ WARNING: \`$1' is $msg.  You should only need it if
 
   help2man*)
     echo 1>&2 "\
-WARNING: \`$1' is $msg.  You should only need it if
+WARNING: '$1' is $msg.  You should only need it if
         you modified a dependency of a manual page.  You may need the
-        \`Help2man' package in order for those modifications to take
-        effect.  You can get \`Help2man' from any GNU archive site."
+        Help2man package in order for those modifications to take
+        effect.  You can get Help2man from any GNU archive site."
 
     file=`echo "$*" | sed -n "$sed_output"`
     test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
@@ -291,12 +291,12 @@ WARNING: \`$1' is $msg.  You should only need it if
 
   makeinfo*)
     echo 1>&2 "\
-WARNING: \`$1' is $msg.  You should only need it if
-         you modified a \`.texi' or \`.texinfo' file, or any other file
+WARNING: '$1' is $msg.  You should only need it if
+         you modified a '.texi' or '.texinfo' file, or any other file
          indirectly affecting the aspect of the manual.  The spurious
-         call might also be the consequence of using a buggy \`make' (AIX,
-         DU, IRIX).  You might want to install the \`Texinfo' package or
-         the \`GNU make' package.  Grab either from any GNU archive site."
+         call might also be the consequence of using a buggy 'make' (AIX,
+         DU, IRIX).  You might want to install the Texinfo package or
+         the GNU make package.  Grab either from any GNU archive site."
     # The file to touch is that specified with -o ...
     file=`echo "$*" | sed -n "$sed_output"`
     test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
@@ -325,12 +325,12 @@ WARNING: \`$1' is $msg.  You should only need it if
     for cmd in gnutar gtar; do
       ($cmd --version) > /dev/null 2>&1 || continue
       echo 1>&2 "\
-WARNING: I can't seem to be able to run \`tar' with the given arguments.
-         Trying to use GNU tar (\"$cmd\") instead ..."
+WARNING: I can't seem to be able to run 'tar' with the given arguments.
+         Trying to use GNU tar ('$cmd') instead ..."
       exec $cmd "$@"
     done
     echo 1>&2 "\
-WARNING: I can't seem to be able to run \`tar' with the given arguments.
+WARNING: I can't seem to be able to run 'tar' with the given arguments.
          You may want to install GNU tar or Free paxutils, or check the
          command line arguments."
     exit 1
@@ -338,12 +338,12 @@ WARNING: I can't seem to be able to run \`tar' with the 
given arguments.
 
   *)
     echo 1>&2 "\
-WARNING: \`$1' is needed, and is $msg.
+WARNING: '$1' is needed, and is $msg.
          You might have modified some files without having the
-         proper tools for further handling them.  Check the \`README' file,
+         proper tools for further handling them.  Check the 'README' file,
          it often tells you about the needed prerequisites for installing
          this package.  You may also peek at any GNU archive site, in case
-         some other package would contain this missing \`$1' program."
+         some other package would contain this missing '$1' program."
     exit 1
     ;;
 esac
diff --git a/build-aux/move-if-change b/build-aux/move-if-change
index e7ba25e..53fd664 100755
--- a/build-aux/move-if-change
+++ b/build-aux/move-if-change
@@ -2,7 +2,7 @@
 # Like mv $1 $2, but if the files are the same, just delete $1.
 # Status is zero if successful, nonzero otherwise.
 
-VERSION='2011-01-28 20:09'; # UTC
+VERSION='2011-12-23 20:33'; # UTC
 # The definition above must lie within the first 8 lines in order
 # for the Emacs time-stamp write hook (at end) to update it.
 # If you change this file with Emacs, please let the write hook
@@ -32,7 +32,7 @@ If SOURCE is different than DEST, then move it to DEST; else 
remove SOURCE.
   --help     display this help and exit
   --version  output version information and exit
 
-The variable CMPPROG can be used to specify an alternative to \`cmp'.
+The variable CMPPROG can be used to specify an alternative to 'cmp'.
 
 Report bugs to <address@hidden>."
 
diff --git a/build-aux/useless-if-before-free b/build-aux/useless-if-before-free
index b8f5a26..6ca135d 100755
--- a/build-aux/useless-if-before-free
+++ b/build-aux/useless-if-before-free
@@ -4,7 +4,7 @@ eval '(exit $?0)' && eval 'exec perl -wST "$0" ${1+"$@"}'
 # Detect instances of "if (p) free (p);".
 # Likewise "if (p != 0)", "if (0 != p)", or with NULL; and with braces.
 
-my $VERSION = '2011-04-20 13:43'; # UTC
+my $VERSION = '2011-12-23 20:34'; # UTC
 # The definition above must lie within the first 8 lines in order
 # for the Emacs time-stamp write hook (at end) to update it.
 # If you change this file with Emacs, please let the write hook
@@ -47,7 +47,7 @@ sub usage ($)
   my $STREAM = ($exit_code == 0 ? *STDOUT : *STDERR);
   if ($exit_code != 0)
     {
-      print $STREAM "Try `$ME --help' for more information.\n";
+      print $STREAM "Try '$ME --help' for more information.\n";
     }
   else
     {
@@ -62,7 +62,7 @@ detect free-like functions named FOO and BAR.
 OPTIONS:
 
    --list       print only the name of each matching FILE (\\0-terminated)
-   --name=N     add name N to the list of \`free\'-like functions to detect;
+   --name=N     add name N to the list of \'free\'-like functions to detect;
                   may be repeated
 
    --help       display this help and exit
@@ -125,7 +125,7 @@ sub is_NULL ($)
   foreach my $file (@ARGV)
     {
       open FH, '<', $file
-        or (warn "$ME: can't open `$file' for reading: $!\n"),
+        or (warn "$ME: can't open '$file' for reading: $!\n"),
           $err = EXIT_ERROR, next;
       while (defined (my $line = <FH>))
         {
diff --git a/build-aux/ylwrap b/build-aux/ylwrap
index 9253635..ee80fed 100755
--- a/build-aux/ylwrap
+++ b/build-aux/ylwrap
@@ -1,7 +1,7 @@
 #! /bin/sh
 # ylwrap - wrapper for lex/yacc invocations.
 
-scriptversion=2011-08-25.18; # UTC
+scriptversion=2011-12-23.20; # UTC
 
 # Copyright (C) 1996, 1997, 1998, 1999, 2001, 2002, 2003, 2004, 2005,
 # 2007, 2009, 2010, 2011 Free Software Foundation, Inc.
@@ -32,7 +32,7 @@ scriptversion=2011-08-25.18; # UTC
 
 case "$1" in
   '')
-    echo "$0: No files given.  Try \`$0 --help' for more information." 1>&2
+    echo "$0: No files given.  Try '$0 --help' for more information." 1>&2
     exit 1
     ;;
   --basedir)
diff --git a/check-module b/check-module
index a302f1b..625a131 100755
--- a/check-module
+++ b/check-module
@@ -60,7 +60,7 @@ sub parse_module_file ($)
   my ($module_file) = @_;
 
   open FH, '<', $module_file
-    or die "$ME: can't open `$module_file' for reading: $!\n";
+    or die "$ME: can't open '$module_file' for reading: $!\n";
 
   my %file_set;
   my %dep_set;
@@ -130,7 +130,7 @@ sub usage ($)
   my $STREAM = ($exit_code == 0 ? *STDOUT : *STDERR);
   if ($exit_code != 0)
     {
-      print $STREAM "Try `$ME --help' for more information.\n";
+      print $STREAM "Try '$ME --help' for more information.\n";
     }
   else
     {
@@ -138,7 +138,7 @@ sub usage ($)
 Usage: $ME [OPTIONS] FILE...
 
 Read a module description file and derive the set of files
-included directly by any .c or .h file listed in the `Files:' section.
+included directly by any .c or .h file listed in the 'Files:' section.
 Take the union of all such sets for any dependent modules.
 Then, compare that set with the set derived from the names
 listed in the various Files: sections.
@@ -172,7 +172,7 @@ sub find_included_lib_files ($)
 
   my %inc;
   open FH, '<', $file
-    or die "$ME: can't open `$file' for reading: $!\n";
+    or die "$ME: can't open '$file' for reading: $!\n";
 
   while (defined (my $line = <FH>))
     {
@@ -272,7 +272,7 @@ sub check_module ($)
            || exists $exempt_header{$i}
              and next;
          !exists $module_all_files{$lib_file} && -f "../lib/$i"
-           and warn "$f: $i is `#include'd, but not "
+           and warn "$f: $i is '#include'd, but not "
              . "listed in module's Files: section\n";
        }
       #my @t = sort keys %$inc;
diff --git a/lib/argmatch.c b/lib/argmatch.c
index 6adbef6..3a6406e 100644
--- a/lib/argmatch.c
+++ b/lib/argmatch.c
@@ -269,7 +269,7 @@ main (int argc, const char *const *argv)
     backup_type = XARGMATCH (program_name, argv[1],
                              backup_args, backup_vals);
 
-  printf ("The version control is `%s'\n",
+  printf ("The version control is '%s'\n",
           ARGMATCH_TO_ARGUMENT (backup_type, backup_args, backup_vals));
 
   return 0;
diff --git a/lib/argp-help.c b/lib/argp-help.c
index ec7fcda..181bdbc 100644
--- a/lib/argp-help.c
+++ b/lib/argp-help.c
@@ -1681,7 +1681,7 @@ _help (const struct argp *argp, const struct argp_state 
*state, FILE *stream,
   if (flags & ARGP_HELP_SEE)
     {
       __argp_fmtstream_printf (fs, dgettext (argp->argp_domain, "\
-Try `%s --help' or `%s --usage' for more information.\n"),
+Try '%s --help' or '%s --usage' for more information.\n"),
                                name, name);
       anything = 1;
     }
diff --git a/lib/getopt1.c b/lib/getopt1.c
index 3656802..3e2b9f3 100644
--- a/lib/getopt1.c
+++ b/lib/getopt1.c
@@ -141,11 +141,11 @@ main (int argc, char **argv)
           break;
 
         case 'c':
-          printf ("option c with value `%s'\n", optarg);
+          printf ("option c with value '%s'\n", optarg);
           break;
 
         case 'd':
-          printf ("option d with value `%s'\n", optarg);
+          printf ("option d with value '%s'\n", optarg);
           break;
 
         case '?':
diff --git a/lib/git-merge-changelog.c b/lib/git-merge-changelog.c
index 652b40a..aac3032 100644
--- a/lib/git-merge-changelog.c
+++ b/lib/git-merge-changelog.c
@@ -963,7 +963,7 @@ static void
 usage (int status)
 {
   if (status != EXIT_SUCCESS)
-    fprintf (stderr, "Try `%s --help' for more information.\n",
+    fprintf (stderr, "Try '%s --help' for more information.\n",
              program_name);
   else
     {
diff --git a/lib/xstrtol-error.c b/lib/xstrtol-error.c
index 52e712c..a4607c0 100644
--- a/lib/xstrtol-error.c
+++ b/lib/xstrtol-error.c
@@ -60,16 +60,16 @@ xstrtol_error (enum strtol_error err,
       abort ();
 
     case LONGINT_INVALID:
-      msgid = N_("invalid %s%s argument `%s'");
+      msgid = N_("invalid %s%s argument '%s'");
       break;
 
     case LONGINT_INVALID_SUFFIX_CHAR:
     case LONGINT_INVALID_SUFFIX_CHAR_WITH_OVERFLOW:
-      msgid = N_("invalid suffix in %s%s argument `%s'");
+      msgid = N_("invalid suffix in %s%s argument '%s'");
       break;
 
     case LONGINT_OVERFLOW:
-      msgid = N_("%s%s argument `%s' too large");
+      msgid = N_("%s%s argument '%s' too large");
       break;
     }
 
diff --git a/m4/alloca.m4 b/m4/alloca.m4
index a8744a8..2e2064c 100644
--- a/m4/alloca.m4
+++ b/m4/alloca.m4
@@ -63,9 +63,9 @@ m4_define([_AC_LIBOBJ_ALLOCA],
 # use ar to extract alloca.o from them instead of compiling alloca.c.
 AC_LIBSOURCES(alloca.c)
 AC_SUBST([ALLOCA], [\${LIBOBJDIR}alloca.$ac_objext])dnl
-AC_DEFINE(C_ALLOCA, 1, [Define to 1 if using `alloca.c'.])
+AC_DEFINE(C_ALLOCA, 1, [Define to 1 if using 'alloca.c'.])
 
-AC_CACHE_CHECK(whether `alloca.c' needs Cray hooks, ac_cv_os_cray,
+AC_CACHE_CHECK(whether 'alloca.c' needs Cray hooks, ac_cv_os_cray,
 [AC_EGREP_CPP(webecray,
 [#if defined CRAY && ! defined CRAY2
 webecray
@@ -77,10 +77,10 @@ if test $ac_cv_os_cray = yes; then
   for ac_func in _getb67 GETB67 getb67; do
     AC_CHECK_FUNC($ac_func,
                   [AC_DEFINE_UNQUOTED(CRAY_STACKSEG_END, $ac_func,
-                                      [Define to one of `_getb67', `GETB67',
-                                       `getb67' for Cray-2 and Cray-YMP
+                                      [Define to one of '_getb67', 'GETB67',
+                                       'getb67' for Cray-2 and Cray-YMP
                                        systems. This function is required for
-                                       `alloca.c' support on those systems.])
+                                       'alloca.c' support on those systems.])
     break])
   done
 fi
diff --git a/m4/argz.m4 b/m4/argz.m4
index 503301e..4ff764d 100644
--- a/m4/argz.m4
+++ b/m4/argz.m4
@@ -19,7 +19,7 @@ AC_CHECK_HEADERS([argz.h], [], [], [AC_INCLUDES_DEFAULT])
 AC_CHECK_TYPES([error_t],
   [],
   [AC_DEFINE([error_t], [int],
-   [Define to a type to use for `error_t' if it is not otherwise available.])
+   [Define to a type to use for 'error_t' if it is not otherwise available.])
    AC_DEFINE([__error_t_defined], [1], [Define so that glibc/gnulib argp.h
     does not typedef error_t.])],
   [#if defined(HAVE_ARGZ_H)
diff --git a/m4/bison.m4 b/m4/bison.m4
index 87c090e..266928c 100644
--- a/m4/bison.m4
+++ b/m4/bison.m4
@@ -15,10 +15,10 @@ dnl requires an Autoconf greater than 2.59c, but it will 
probably still be
 dnl useful to override the description of YACC in the --help output, re
 dnl parse-datetime.y assuming `bison -y'.
   AC_ARG_VAR([YACC],
-[The `Yet Another C Compiler' implementation to use.  Defaults to `bison -y'.
-Values other than `bison -y' will most likely break on most systems.])dnl
+[The "Yet Another C Compiler" implementation to use.  Defaults to 'bison -y'.
+Values other than 'bison -y' will most likely break on most systems.])dnl
   AC_ARG_VAR([YFLAGS],
 [YFLAGS contains the list arguments that will be passed by default to Bison.
 This script will default YFLAGS to the empty string to avoid a default value of
-`-d' given by some make applications.])dnl
+'-d' given by some make applications.])dnl
 ])
diff --git a/m4/calloc.m4 b/m4/calloc.m4
index 3bab709..edddc9c 100644
--- a/m4/calloc.m4
+++ b/m4/calloc.m4
@@ -46,7 +46,7 @@ AC_DEFUN([gl_FUNC_CALLOC_GNU],
   AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
   _AC_FUNC_CALLOC_IF(
     [AC_DEFINE([HAVE_CALLOC_GNU], [1],
-               [Define to 1 if your system has a GNU libc compatible `calloc'
+               [Define to 1 if your system has a GNU libc compatible 'calloc'
                 function, and to 0 otherwise.])],
     [AC_DEFINE([HAVE_CALLOC_GNU], [0])
      REPLACE_CALLOC=1
diff --git a/m4/extensions.m4 b/m4/extensions.m4
index 22156e0..4c0453d 100644
--- a/m4/extensions.m4
+++ b/m4/extensions.m4
@@ -43,7 +43,7 @@ AC_BEFORE([$0], [AC_RUN_IFELSE])dnl
   AC_CHECK_HEADER([minix/config.h], [MINIX=yes], [MINIX=])
   if test "$MINIX" = yes; then
     AC_DEFINE([_POSIX_SOURCE], [1],
-      [Define to 1 if you need to in order for `stat' and other
+      [Define to 1 if you need to in order for 'stat' and other
        things to work.])
     AC_DEFINE([_POSIX_1_SOURCE], [2],
       [Define to 2 if the system does not provide POSIX.1 features
diff --git a/m4/flexmember.m4 b/m4/flexmember.m4
index 8884cb1..51ed00c 100644
--- a/m4/flexmember.m4
+++ b/m4/flexmember.m4
@@ -28,7 +28,7 @@ AC_DEFUN([AC_C_FLEXIBLE_ARRAY_MEMBER],
   if test $ac_cv_c_flexmember = yes; then
     AC_DEFINE([FLEXIBLE_ARRAY_MEMBER], [],
       [Define to nothing if C supports flexible array members, and to
-       1 if it does not.  That way, with a declaration like `struct s
+       1 if it does not.  That way, with a declaration like 'struct s
        { int n; double d@<:@FLEXIBLE_ARRAY_MEMBER@:>@; };', the struct hack
        can be used with pre-C99 compilers.
        When computing the size of such an object, don't use 'sizeof (struct s)'
diff --git a/m4/fpending.m4 b/m4/fpending.m4
index 35f4651..5adf558 100644
--- a/m4/fpending.m4
+++ b/m4/fpending.m4
@@ -83,5 +83,5 @@ AC_DEFUN([gl_PREREQ_FPENDING],
   )
   AC_DEFINE_UNQUOTED([PENDING_OUTPUT_N_BYTES],
     $ac_cv_sys_pending_output_n_bytes,
-    [the number of pending output bytes on stream `fp'])
+    [the number of pending output bytes on stream 'fp'])
 ])
diff --git a/m4/gc-random.m4 b/m4/gc-random.m4
index 3a21a6d..27ba7b5 100644
--- a/m4/gc-random.m4
+++ b/m4/gc-random.m4
@@ -61,15 +61,15 @@ AC_DEFUN([gl_GC_RANDOM],
   if test "$cross_compiling" != yes; then
     if test "$NAME_OF_RANDOM_DEVICE" != "no"; then
       AC_CHECK_FILE([$NAME_OF_RANDOM_DEVICE],,
-        AC_MSG_WARN([[Device `$NAME_OF_RANDOM_DEVICE' does not exist, consider 
to use --enable-random-device]]))
+        AC_MSG_WARN([[Device '$NAME_OF_RANDOM_DEVICE' does not exist, consider 
to use --enable-random-device]]))
     fi
     if test "$NAME_OF_PSEUDO_RANDOM_DEVICE" != "no"; then
       AC_CHECK_FILE([$NAME_OF_PSEUDO_RANDOM_DEVICE],,
-        AC_MSG_WARN([[Device `$NAME_OF_PSEUDO_RANDOM_DEVICE' does not exist, 
consider to use --enable-pseudo-random-device]]))
+        AC_MSG_WARN([[Device '$NAME_OF_PSEUDO_RANDOM_DEVICE' does not exist, 
consider to use --enable-pseudo-random-device]]))
     fi
     if test "$NAME_OF_NONCE_DEVICE" != "no"; then
       AC_CHECK_FILE([$NAME_OF_NONCE_DEVICE],,
-        AC_MSG_WARN([[Device `$NAME_OF_NONCE_DEVICE' does not exist, consider 
to use --enable-nonce-device]]))
+        AC_MSG_WARN([[Device '$NAME_OF_NONCE_DEVICE' does not exist, consider 
to use --enable-nonce-device]]))
     fi
   else
     AC_MSG_NOTICE([[Cross compiling, assuming random devices exists on the 
target host...]])
diff --git a/m4/intl.m4 b/m4/intl.m4
index 96031eb..27f52fe 100644
--- a/m4/intl.m4
+++ b/m4/intl.m4
@@ -296,5 +296,5 @@ AC_DEFUN([gt_CHECK_DECL],
     gt_value=0
   fi
   AC_DEFINE_UNQUOTED([HAVE_DECL_]translit($1, [a-z], [A-Z]), [$gt_value],
-    [Define to 1 if you have the declaration of `$1', and to 0 if you don't.])
+    [Define to 1 if you have the declaration of '$1', and to 0 if you don't.])
 ])
diff --git a/m4/link-follow.m4 b/m4/link-follow.m4
index 3f1127a..b1c77e3 100644
--- a/m4/link-follow.m4
+++ b/m4/link-follow.m4
@@ -93,7 +93,7 @@ AC_DEFUN([gl_FUNC_LINK_FOLLOWS_SYMLINK],
     fi
   fi
   AC_DEFINE_UNQUOTED([LINK_FOLLOWS_SYMLINKS], [$gl_link_follows_symlinks],
-    [Define to 1 if `link(2)' dereferences symbolic links, 0 if it
+    [Define to 1 if 'link(2)' dereferences symbolic links, 0 if it
      creates hard links to symlinks, -1 if it depends on the variable __xpg4,
      and -2 if unknown.])
 ])
diff --git a/m4/longlong.m4 b/m4/longlong.m4
index aed816c..68b2200 100644
--- a/m4/longlong.m4
+++ b/m4/longlong.m4
@@ -51,7 +51,7 @@ AC_DEFUN([AC_TYPE_LONG_LONG_INT],
       fi])
   if test $ac_cv_type_long_long_int = yes; then
     AC_DEFINE([HAVE_LONG_LONG_INT], [1],
-      [Define to 1 if the system has the type `long long int'.])
+      [Define to 1 if the system has the type 'long long int'.])
   fi
 ])
 
@@ -77,7 +77,7 @@ AC_DEFUN([AC_TYPE_UNSIGNED_LONG_LONG_INT],
      fi])
   if test $ac_cv_type_unsigned_long_long_int = yes; then
     AC_DEFINE([HAVE_UNSIGNED_LONG_LONG_INT], [1],
-      [Define to 1 if the system has the type `unsigned long long int'.])
+      [Define to 1 if the system has the type 'unsigned long long int'.])
   fi
 ])
 
diff --git a/m4/ls-mntd-fs.m4 b/m4/ls-mntd-fs.m4
index 714d539..3a823fa 100644
--- a/m4/ls-mntd-fs.m4
+++ b/m4/ls-mntd-fs.m4
@@ -110,7 +110,7 @@ if test -z "$ac_list_mounted_fs"; then
     AC_DEFINE([MOUNTED_VMOUNT], [1],
         [Define if there is a function named mntctl that can be used to read
          the list of mounted file systems, and there is a system header file
-         that declares `struct vmount.'  (AIX)])
+         that declares 'struct vmount'.  (AIX)])
   fi
 fi
 
diff --git a/m4/lstat.m4 b/m4/lstat.m4
index fe161d4..beb3e4d 100644
--- a/m4/lstat.m4
+++ b/m4/lstat.m4
@@ -65,6 +65,6 @@ AC_DEFUN([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK],
     ])
   test $gl_cv_func_lstat_dereferences_slashed_symlink = yes &&
     AC_DEFINE_UNQUOTED([LSTAT_FOLLOWS_SLASHED_SYMLINK], [1],
-      [Define to 1 if `lstat' dereferences a symlink specified
+      [Define to 1 if 'lstat' dereferences a symlink specified
        with a trailing slash.])
 ])
diff --git a/m4/onceonly.m4 b/m4/onceonly.m4
index 254217c..9328c7d 100644
--- a/m4/onceonly.m4
+++ b/m4/onceonly.m4
@@ -80,7 +80,7 @@ AC_DEFUN([AC_CHECK_FUNCS_ONCE], [
         [gl_func_list="$gl_func_list gl_FUNC_NAME"])
       gl_FUNCS_EXPANSION
       AH_TEMPLATE(AS_TR_CPP([HAVE_]m4_defn([gl_FUNC_NAME])),
-        [Define to 1 if you have the `]m4_defn([gl_FUNC_NAME])[' function.])
+        [Define to 1 if you have the ']m4_defn([gl_FUNC_NAME])[' function.])
     ])
     AC_REQUIRE([gl_CHECK_FUNC_]m4_defn([gl_FUNC_NAME]))
   ])
diff --git a/m4/posixver.m4 b/m4/posixver.m4
index 341d170..6d97b10 100644
--- a/m4/posixver.m4
+++ b/m4/posixver.m4
@@ -27,12 +27,12 @@ AC_DEFUN([gl_DEFAULT_POSIX2_VERSION],
        the form YYYYMM, specifying the year and month the standard was
        adopted. If not defined here, it defaults to the value of
        _POSIX2_VERSION in <unistd.h>. Define to 199209 to default to
-       POSIX 1003.2-1992, which makes standard programs like `head',
-       `tail', and `sort' accept obsolete options like `+10' and
-       `-10'. Define to 200112 to default to POSIX 1003.1-2001, which
-       makes these standard programs treat leading-`+' operands as
-       file names and require modern usages like `-n 10' instead of
-       `-10'. Whether defined here or not, the default can be
+       POSIX 1003.2-1992, which makes standard programs like 'head',
+       'tail', and 'sort' accept obsolete options like '+10' and
+       '-10'. Define to 200112 to default to POSIX 1003.1-2001, which
+       makes these standard programs treat leading-'+' operands as
+       file names and require modern usages like '-n 10' instead of
+       '-10'. Whether defined here or not, the default can be
        overridden at run time via the _POSIX2_VERSION environment
        variable.])
   fi
diff --git a/tests/test-dirname.c b/tests/test-dirname.c
index 1ddf229..da9aafb 100644
--- a/tests/test-dirname.c
+++ b/tests/test-dirname.c
@@ -149,14 +149,15 @@ main (void)
                  || (dirlen + 1 == strlen (dir) && dir[dirlen] == '.'))))
         {
           ok = false;
-          printf ("dir_name `%s': got `%s' len %d, expected `%s' len %ld\n",
+          printf ("dir_name '%s': got '%s' len %d,"
+                  " expected '%s' len %ld\n",
                   t->name, dir, dirlen,
                   t->dir, (unsigned long) strlen (t->dir));
         }
       if (strcmp (last, t->last))
         {
           ok = false;
-          printf ("last_component `%s': got `%s', expected `%s'\n",
+          printf ("last_component '%s': got '%s', expected '%s'\n",
                   t->name, last, t->last);
         }
       if (! (strcmp (base, t->base) == 0
@@ -165,21 +166,22 @@ main (void)
                      && ISSLASH (base[baselen])))))
         {
           ok = false;
-          printf ("base_name `%s': got `%s' len %d, expected `%s' len %ld\n",
+          printf ("base_name '%s': got '%s' len %d,"
+                  " expected '%s' len %ld\n",
                   t->name, base, baselen,
                   t->base, (unsigned long) strlen (t->base));
         }
       if (strcmp (stripped, t->stripped) || modified != t->modified)
         {
           ok = false;
-          printf ("strip_trailing_slashes `%s': got %s %s, expected %s %s\n",
+          printf ("strip_trailing_slashes '%s': got %s %s, expected %s %s\n",
                   t->name, stripped, modified ? "changed" : "unchanged",
                   t->stripped, t->modified ? "changed" : "unchanged");
         }
       if (t->absolute != absolute)
         {
           ok = false;
-          printf ("`%s': got %s, expected %s\n", t->name,
+          printf ("'%s': got %s, expected %s\n", t->name,
                   absolute ? "absolute" : "relative",
                   t->absolute ? "absolute" : "relative");
         }
diff --git a/tests/test-getpass.c b/tests/test-getpass.c
index 4657fb7..fe3b1ea 100644
--- a/tests/test-getpass.c
+++ b/tests/test-getpass.c
@@ -25,7 +25,7 @@ main (int argc, char *argv[])
 {
   char *pass = getpass ("Enter password: ");
 
-  printf ("The password is `%s'\n", pass);
+  printf ("The password is '%s'\n", pass);
 
   return 0;
 }
diff --git a/tests/test-iconvme.c b/tests/test-iconvme.c
index 38165f7..5643e2f 100644
--- a/tests/test-iconvme.c
+++ b/tests/test-iconvme.c
@@ -66,9 +66,9 @@ int main (int ac, char *av[])
         from[strlen (from) - 1] = '\0';
     }
 
-  printf (" Input string: `%s'\n"
-          "From code set: `%s'\n"
-          "  To code set: `%s'\n",
+  printf (" Input string: '%s'\n"
+          "From code set: '%s'\n"
+          "  To code set: '%s'\n",
           in, from, to);
 
   out = iconv_string (in, from, to);
@@ -77,7 +77,7 @@ int main (int ac, char *av[])
     perror ("iconv");
   else
     {
-      printf ("\nOutput: `%s'\n", out);
+      printf ("\nOutput: '%s'\n", out);
       free (out);
     }
 
diff --git a/tests/test-parse-datetime.c b/tests/test-parse-datetime.c
index 22fe9bc..cf00fb8 100644
--- a/tests/test-parse-datetime.c
+++ b/tests/test-parse-datetime.c
@@ -30,7 +30,7 @@
 
 #ifdef DEBUG
 #define LOG(str, now, res)                                              \
-  printf ("string `%s' diff %d %d\n",                   \
+  printf ("string '%s' diff %d %d\n",                                 \
           str, res.tv_sec - now.tv_sec, res.tv_nsec - now.tv_nsec);
 #else
 #define LOG(str, now, res) (void) 0
diff --git a/tests/test-xstrtoimax.sh b/tests/test-xstrtoimax.sh
index 3e3b06c..3a0f9d2 100755
--- a/tests/test-xstrtoimax.sh
+++ b/tests/test-xstrtoimax.sh
@@ -33,10 +33,10 @@ cat > exp <<EOF
 1->1 ()
 -1->-1 ()
 1k->1024 ()
-invalid suffix in X argument \`${too_big}h'
-X argument \`$too_big' too large
-invalid X argument \`x'
-invalid suffix in X argument \`9x'
+invalid suffix in X argument '${too_big}h'
+X argument '$too_big' too large
+invalid X argument 'x'
+invalid suffix in X argument '9x'
 010->8 ()
 MiB->1048576 ()
 EOF
diff --git a/tests/test-xstrtol.sh b/tests/test-xstrtol.sh
index 1a2f7ca..f718d8f 100755
--- a/tests/test-xstrtol.sh
+++ b/tests/test-xstrtol.sh
@@ -45,19 +45,19 @@ cat > expected <<EOF
 1->1 ()
 -1->-1 ()
 1k->1024 ()
-invalid suffix in X argument \`${too_big}h'
-X argument \`$too_big' too large
-invalid X argument \`x'
-invalid suffix in X argument \`9x'
+invalid suffix in X argument '${too_big}h'
+X argument '$too_big' too large
+invalid X argument 'x'
+invalid suffix in X argument '9x'
 010->8 ()
 MiB->1048576 ()
 1->1 ()
-invalid X argument \`-1'
+invalid X argument '-1'
 1k->1024 ()
-invalid suffix in X argument \`${too_big}h'
-X argument \`$too_big' too large
-invalid X argument \`x'
-invalid suffix in X argument \`9x'
+invalid suffix in X argument '${too_big}h'
+X argument '$too_big' too large
+invalid X argument 'x'
+invalid suffix in X argument '9x'
 010->8 ()
 MiB->1048576 ()
 EOF
diff --git a/tests/test-xstrtoll.sh b/tests/test-xstrtoll.sh
index 78a08c8..8d8df68 100755
--- a/tests/test-xstrtoll.sh
+++ b/tests/test-xstrtoll.sh
@@ -45,19 +45,19 @@ cat > expected <<EOF
 1->1 ()
 -1->-1 ()
 1k->1024 ()
-invalid suffix in X argument \`${too_big}h'
-X argument \`$too_big' too large
-invalid X argument \`x'
-invalid suffix in X argument \`9x'
+invalid suffix in X argument '${too_big}h'
+X argument '$too_big' too large
+invalid X argument 'x'
+invalid suffix in X argument '9x'
 010->8 ()
 MiB->1048576 ()
 1->1 ()
-invalid X argument \`-1'
+invalid X argument '-1'
 1k->1024 ()
-invalid suffix in X argument \`${too_big}h'
-X argument \`$too_big' too large
-invalid X argument \`x'
-invalid suffix in X argument \`9x'
+invalid suffix in X argument '${too_big}h'
+X argument '$too_big' too large
+invalid X argument 'x'
+invalid suffix in X argument '9x'
 010->8 ()
 MiB->1048576 ()
 EOF
diff --git a/tests/test-xstrtoumax.sh b/tests/test-xstrtoumax.sh
index 68abb93..bdbdbf5 100755
--- a/tests/test-xstrtoumax.sh
+++ b/tests/test-xstrtoumax.sh
@@ -31,12 +31,12 @@ mv k out
 # compare expected output
 cat > exp <<EOF
 1->1 ()
-invalid X argument \`-1'
+invalid X argument '-1'
 1k->1024 ()
-invalid suffix in X argument \`${too_big}h'
-X argument \`$too_big' too large
-invalid X argument \`x'
-invalid suffix in X argument \`9x'
+invalid suffix in X argument '${too_big}h'
+X argument '$too_big' too large
+invalid X argument 'x'
+invalid suffix in X argument '9x'
 010->8 ()
 MiB->1048576 ()
 EOF
diff --git a/tests/unigbrk/test-uc-is-grapheme-break.c 
b/tests/unigbrk/test-uc-is-grapheme-break.c
index 4df5c3e..8c2a3b5 100644
--- a/tests/unigbrk/test-uc-is-grapheme-break.c
+++ b/tests/unigbrk/test-uc-is-grapheme-break.c
@@ -109,7 +109,7 @@ main (int argc, char *argv[])
             }
           else
             {
-              fprintf (stderr, "%s:%d.%d: syntax error expecting `÷' or `÷'\n",
+              fprintf (stderr, "%s:%d.%d: syntax error expecting '÷' or '÷'\n",
                        filename, lineno, (int) (p - line + 1));
               exit (1);
             }
@@ -124,8 +124,8 @@ main (int argc, char *argv[])
 
               if (sscanf (p, "%x%n", &next_int, &n) != 1)
                 {
-                  fprintf (stderr, "%s:%d.%d: syntax error at `%s' expecting "
-                           "hexadecimal Unicode code point number\n",
+                  fprintf (stderr, "%s:%d.%d: syntax error at '%s' "
+                           "expecting hexadecimal Unicode code point number\n",
                            filename, lineno, (int) (p - line + 1), p);
                   exit (1);
                 }
diff --git a/top/GNUmakefile b/top/GNUmakefile
index 86bc60f..97f4294 100644
--- a/top/GNUmakefile
+++ b/top/GNUmakefile
@@ -114,7 +114,7 @@ endif
 
 abort-due-to-no-makefile:
        @echo There seems to be no Makefile in this directory.   1>&2
-       @echo "You must run ./configure before running \`make'." 1>&2
+       @echo "You must run ./configure before running 'make'." 1>&2
        @exit 1
 
 endif
-- 
1.7.6.4




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