Update miscellaneous files from upstream sources.

This patch updates various files from their upstream sources.  This
brings in copyright date updates for some of those files.

Tested for x86_64.

	* manual/texinfo.tex: Update to version 2017-12-26.21 with
	trailing whitespace removed.
	* scripts/config.guess: Update to version 2018-01-01.
	* scripts/config.sub: Update to version 2018-01-01.
	* scripts/move-if-change: Update from gnulib.

ChangeLog

@@ -1,5 +1,11 @@
 2018-01-01  Joseph Myers  <joseph@codesourcery.com>
 
+	* manual/texinfo.tex: Update to version 2017-12-26.21 with
+	trailing whitespace removed.
+	* scripts/config.guess: Update to version 2018-01-01.
+	* scripts/config.sub: Update to version 2018-01-01.
+	* scripts/move-if-change: Update from gnulib.
+
 	* NEWS: Update copyright dates.
 	* catgets/gencat.c (print_version): Likewise.
 	* csu/version.c (banner): Likewise.

manual/texinfo.tex

@@ -3,7 +3,7 @@
 % Load plain if necessary, i.e., if running under initex.
 \expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
 %
-\def\texinfoversion{2017-12-18.20}
+\def\texinfoversion{2017-12-26.21}
 %
 % Copyright 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995,
 % 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
@@ -2619,26 +2619,11 @@ end
 % Markup style infrastructure.  \defmarkupstylesetup\INITMACRO will
 % define and register \INITMACRO to be called on markup style changes.
 % \INITMACRO can check \currentmarkupstyle for the innermost
-% style and the set of \ifmarkupSTYLE switches for all styles
+% style.
-% currently in effect.
-\newif\ifmarkupvar
-\newif\ifmarkupsamp
-\newif\ifmarkupkey
-%\newif\ifmarkupfile % @file == @samp.
-%\newif\ifmarkupoption % @option == @samp.
-\newif\ifmarkupcode
-\newif\ifmarkupkbd
-%\newif\ifmarkupenv % @env == @code.
-%\newif\ifmarkupcommand % @command == @code.
-\newif\ifmarkuptex % @tex (and part of @math, for now).
-\newif\ifmarkupexample
-\newif\ifmarkupverb
-\newif\ifmarkupverbatim
 
 \let\currentmarkupstyle\empty
 
 \def\setupmarkupstyle#1{%
-  \csname markup#1true\endcsname
   \def\currentmarkupstyle{#1}%
   \markupstylesetup
 }
@@ -2700,11 +2685,15 @@ end
 % lilypond developers report.  xpdf does work with the regular 0x27.
 %
 \def\codequoteright{%
+  \ifmonospace
     \expandafter\ifx\csname SETtxicodequoteundirected\endcsname\relax
       \expandafter\ifx\csname SETcodequoteundirected\endcsname\relax
         '%
       \else \char'15 \fi
     \else \char'15 \fi
+   \else
+     '%
+   \fi
 }
 %
 % and a similar option for the left quote char vs. a grave accent.
@@ -2712,6 +2701,7 @@ end
 % the code environments to do likewise.
 %
 \def\codequoteleft{%
+  \ifmonospace
     \expandafter\ifx\csname SETtxicodequotebacktick\endcsname\relax
       \expandafter\ifx\csname SETcodequotebacktick\endcsname\relax
         % [Knuth] pp. 380,381,391
@@ -2719,6 +2709,9 @@ end
         \relax`%
       \else \char'22 \fi
     \else \char'22 \fi
+   \else
+     \relax`%
+   \fi
 }
 
 % Commands to set the quote options.

scripts/config.guess

@@ -1,8 +1,8 @@
 #! /bin/sh
 # Attempt to guess a canonical system name.
-#   Copyright 1992-2017 Free Software Foundation, Inc.
+#   Copyright 1992-2018 Free Software Foundation, Inc.
 
-timestamp='2017-12-17'
+timestamp='2018-01-01'
 
 # 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
@@ -50,7 +50,7 @@ version="\
 GNU config.guess ($timestamp)
 
 Originally written by Per Bothner.
-Copyright 1992-2017 Free Software Foundation, Inc.
+Copyright 1992-2018 Free Software Foundation, Inc.
 
 This is free software; see the source for copying conditions.  There is NO
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."

scripts/config.sub

@@ -1,8 +1,8 @@
 #! /bin/sh
 # Configuration validation subroutine script.
-#   Copyright 1992-2017 Free Software Foundation, Inc.
+#   Copyright 1992-2018 Free Software Foundation, Inc.
 
-timestamp='2017-11-23'
+timestamp='2018-01-01'
 
 # 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
@@ -67,7 +67,7 @@ Report bugs and patches to <config-patches@gnu.org>."
 version="\
 GNU config.sub ($timestamp)
 
-Copyright 1992-2017 Free Software Foundation, Inc.
+Copyright 1992-2018 Free Software Foundation, Inc.
 
 This is free software; see the source for copying conditions.  There is NO
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
@@ -1416,7 +1416,7 @@ case $os in
 	      | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \
 	      | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \
 	      | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es* \
-	      | -onefs* | -tirtos* | -phoenix* | -fuchsia* | -redox*)
+	      | -onefs* | -tirtos* | -phoenix* | -fuchsia* | -redox* | -bme*)
 	# Remember, each alternative MUST END IN *, to match a version number.
 		;;
 	-qnx*)

scripts/move-if-change

@@ -8,7 +8,7 @@ VERSION='2017-09-13 06:45'; # UTC
 # If you change this file with Emacs, please let the write hook
 # do its job.  Otherwise, update this string manually.
 
-# Copyright (C) 2002-2017 Free Software Foundation, Inc.
+# Copyright (C) 2002-2018 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by