Prefer plain characters to Texinfo circumlocutions

For example, prefer 'François' to 'Fran\c{c}ois', 'Fran\c cois',
'Fran@,{c}ois' or 'Francois' (all of which were used!) in Texinfo sources.

doc/emacs/mule.texi

@@ -1,3 +1,4 @@
+@c -*- coding: utf-8 -*-
 @c This is part of the Emacs manual.
 @c Copyright (C) 1997, 1999-2015 Free Software Foundation, Inc.
 @c See file emacs.texi for copying conditions.
@@ -214,7 +215,7 @@ faces used to display the character, and any overlays containing it
 
 @smallexample
              position: 1 of 1 (0%), column: 0
-            character: @^e (displayed as @^e) (codepoint 234, #o352, #xea)
+            character: ê (displayed as ê) (codepoint 234, #o352, #xea)
     preferred charset: unicode (Unicode (ISO10646))
 code point in charset: 0xEA
                script: latin

doc/lispref/keymaps.texi

@@ -1,4 +1,4 @@
-@c -*-texinfo-*-
+@c -*- mode: texinfo; coding: utf-8 -*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
 @c Copyright (C) 1990-1994, 1998-2015 Free Software Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
@@ -1717,14 +1717,14 @@ they usually will be in a Lisp file (@pxref{Loading Non-ASCII}), you
 must type the keys as multibyte too.  For instance, if you use this:
 
 @smallexample
-(global-set-key "@"o" 'my-function) ; bind o-umlaut
+(global-set-key "ö" 'my-function) ; bind o-umlaut
 @end smallexample
 
 @noindent
 or
 
 @smallexample
-(global-set-key ?@"o 'my-function) ; bind o-umlaut
+(global-set-key ?ö 'my-function) ; bind o-umlaut
 @end smallexample
 
 @noindent

doc/lispref/nonascii.texi

@@ -1,4 +1,4 @@
-@c -*-texinfo-*-
+@c -*- mode: texinfo; coding: utf-8 -*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
 @c Copyright (C) 1998-1999, 2001-2015 Free Software Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
@@ -1817,7 +1817,7 @@ original text:
 @example
 @group
 (decode-coding-string "Gr\374ss Gott" 'latin-1)
-     @result{} #("Gr@"uss Gott" 0 9 (charset iso-8859-1))
+     @result{} #("Grüss Gott" 0 9 (charset iso-8859-1))
 @end group
 @end example
 @end defun

doc/lispref/objects.texi

@@ -1,4 +1,4 @@
-@c -*-texinfo-*-
+@c -*- mode: texinfo; coding: utf-8 -*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
 @c Copyright (C) 1990-1995, 1998-1999, 2001-2015 Free Software
 @c Foundation, Inc.
@@ -375,13 +375,7 @@ that, Emacs signals an error.
 codes.  A hexadecimal escape sequence consists of a backslash,
 @samp{x}, and the hexadecimal character code.  Thus, @samp{?\x41} is
 the character @kbd{A}, @samp{?\x1} is the character @kbd{C-a}, and
-@code{?\xe0} is the character
-@iftex
-@samp{@`a}.
-@end iftex
-@ifnottex
-@samp{a} with grave accent.
-@end ifnottex
+@code{?\xe0} is the character @kbd{à} (@kbd{a} with grave accent).
 You can use any number of hex digits, so you can represent any
 character code in this way.
 

doc/misc/calc.texi

@@ -1,4 +1,4 @@
-\input texinfo                  @c -*-texinfo-*-
+\input texinfo @c -*- mode: texinfo; coding: utf-8 -*-
 @comment %**start of header (This is for running Texinfo on a region.)
 @c smallbook
 @setfilename ../../info/calc.info
@@ -1203,9 +1203,7 @@ algebra system for microcomputers.
 Many people have contributed to Calc by reporting bugs and suggesting
 features, large and small.  A few deserve special mention:  Tim Peters,
 who helped develop the ideas that led to the selection commands, rewrite
-rules, and many other algebra features;
-@texline Fran\c{c}ois
-@infoline Francois
+rules, and many other algebra features; François
 Pinard, who contributed an early prototype of the Calc Summary appendix
 as well as providing valuable suggestions in many other areas of Calc;
 Carl Witty, whose eagle eyes discovered many typographical and factual
@@ -7218,9 +7216,7 @@ so that the mapping operation works; no prime factor will ever be
 zero, so adding zeros on the left and right is safe.  From then on
 the job is pretty straightforward.
 
-Incidentally, Calc provides the
-@texline @dfn{M@"obius} @math{\mu}
-@infoline @dfn{Moebius mu}
+Incidentally, Calc provides the @dfn{Möbius μ}
 function which is zero if and only if its argument is square-free.  It
 would be a much more convenient way to do the above test in practice.
 
@@ -8098,7 +8094,7 @@ argument is exactly what we want to map over:
 @end smallexample
 
 @noindent
-Et voil@`a, September 13, 1991 is a Friday.
+Et voilà, September 13, 1991 is a Friday.
 
 @smallexample
 @group
@@ -19304,9 +19300,7 @@ are relatively prime to @expr{n}.
 @pindex calc-moebius
 @tindex moebius
 The @kbd{k m} (@code{calc-moebius}) [@code{moebius}] command computes the
-@texline M@"obius @math{\mu}
-@infoline Moebius ``mu''
-function.  If the input number is a product of @expr{k}
+Möbius μ function.  If the input number is a product of @expr{k}
 distinct factors, this is @expr{(-1)^k}.  If the input number has any
 duplicate factors (i.e., can be divided by the same prime more than once),
 the result is zero.
@@ -27698,9 +27692,7 @@ the keyboard macro @kbd{' tri($) @key{RET}} to make a command that applies
 @code{tri} to the value on the top of the stack.  @xref{Programming}.
 
 @cindex Quaternions
-The following rule set, contributed by
-@texline Fran\c cois
-@infoline Francois
+The following rule set, contributed by François
 Pinard, implements @dfn{quaternions}, a generalization of the concept of
 complex numbers.  Quaternions have four components, and are here
 represented by function calls @samp{quat(@var{w}, [@var{x}, @var{y},
@@ -28048,7 +28040,7 @@ based on a fundamental physical process (although there are efforts to
 change this) is the kilogram, which was originally defined as the mass
 of one liter of water, but is now defined as the mass of the
 international prototype of the kilogram (IPK), a cylinder of platinum-iridium
-kept at the Bureau international des poids et mesures in S@`evres,
+kept at the Bureau international des poids et mesures in Sèvres,
 France.  (There are several copies of the IPK throughout the world.)
 The British imperial units, once defined in terms of physical objects,
 were redefined in 1963 in terms of SI units.  The US customary units,

doc/misc/ediff.texi

@@ -1,4 +1,4 @@
-\input texinfo                  @c -*-texinfo-*-
+\input texinfo @c -*- mode: texinfo; coding: utf-8 -*-
 @c documentation for Ediff
 @c Written by Michael Kifer
 
@@ -2485,7 +2485,7 @@ Ray Nickson (nickson at cs.uq.oz.au),
 Dan Nicolaescu (dann at ics.uci.edu),
 David Petchey (petchey_david at jpmorgan.com),
 Benjamin Pierce (benjamin.pierce at cl.cam.ac.uk),
-Francois Pinard (pinard at iro.umontreal.ca),
+François Pinard (pinard at iro.umontreal.ca),
 Tibor Polgar (tlp00 at spg.amdahl.com),
 David Prince (dave0d at fegs.co.uk),
 Paul Raines (raines at slac.stanford.edu),

doc/misc/gnus.texi

@@ -9082,7 +9082,7 @@ CRs into LF (this takes care of Mac line endings)
 Treat quoted-printable (@code{gnus-article-de-quoted-unreadable}).
 Quoted-Printable is one common @acronym{MIME} encoding employed when
 sending non-@acronym{ASCII} (i.e., 8-bit) articles.  It typically
-makes strings like @samp{d@'ej@`a vu} look like @samp{d=E9j=E0 vu},
+makes strings like @samp{déjà vu} look like @samp{d=E9j=E0 vu},
 which doesn't look very readable to me.  Note that this is usually
 done automatically by Gnus if the message in question has a
 @code{Content-Transfer-Encoding} header that says that this encoding
@@ -16967,7 +16967,7 @@ group as read.
 
 If the search engine changes its output substantially, @code{nnweb}
 won't be able to parse it and will fail.  One could hardly fault the Web
-providers if they were to do this---their @emph{raison d'@^etre} is to
+providers if they were to do this---their @emph{raison d'être} is to
 make money off of advertisements, not to provide services to the
 community.  Since @code{nnweb} washes the ads off all the articles, one
 might think that the providers might be somewhat miffed.  We'll see.
@@ -26814,7 +26814,7 @@ David Moore---rewrite of @file{nnvirtual.el} and many other things.
 Kevin Davidson---came up with the name @dfn{ding}, so blame him.
 
 @item
-Fran@,{c}ois Pinard---many, many interesting and thorough bug reports, as
+François Pinard---many, many interesting and thorough bug reports, as
 well as autoconf support.
 
 @end itemize
@@ -26922,7 +26922,7 @@ Gunnar Horrigmo,
 Richard Hoskins,
 Brad Howes,
 Miguel de Icaza,
-Fran@,{c}ois Felix Ingrand,
+François Felix Ingrand,
 Tatsuya Ichikawa, @c Ichikawa
 Ishikawa Ichiro, @c Ishikawa
 Lee Iverson,

doc/misc/org.texi

@@ -18487,7 +18487,7 @@ enabled source code highlighting in Gnus.
 Max-Planck-Institute for Neurology.  He also inspired the creation of a
 concept index for HTML export.
 @item
-@i{J@"urgen Vollmer} contributed code generating the table of contents
+@i{Jürgen Vollmer} contributed code generating the table of contents
 in HTML output.
 @item
 @i{Samuel Wales} has provided important feedback and bug reports.

doc/misc/tramp.texi

@@ -91,7 +91,7 @@ copy and modify this GNU manual.''
 @titlepage
 @title @value{tramp} version @value{trampver} User Manual
 @author by Daniel Pittman
-@author based on documentation by Kai Gro@ss{}johann
+@author based on documentation by Kai Großjohann
 @page
 @insertcopying
 @end titlepage
@@ -1935,7 +1935,7 @@ of your (local or remote) host, you might need to adapt this.  Example:
           "password" "Password"
           ;; Deutsch
           "passwort" "Passwort"
-          ;; Fran@,{c}ais
+          ;; Français
           "mot de passe" "Mot de passe") t)
       ".*:\0? *"))
 @end lisp