Auto updated.

1 files changed, 314 insertions, 123 deletions

diff --git a/docs/C/texinfo.tex b/docs/C/texinfo.tex
index d2b264d..3569bd5 100644
--- a/docs/C/texinfo.tex
+++ b/docs/C/texinfo.tex
@@ -3,11 +3,11 @@
 % Load plain if necessary, i.e., if running under initex.
 \expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
 %
-\def\texinfoversion{2007-12-02.17}
+\def\texinfoversion{2008-11-17.21}
 %
-% Copyright (C) 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995, 2007,
+% Copyright (C) 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995,
 % 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
-% 2007 Free Software Foundation, Inc.
+% 2007, 2008 Free Software Foundation, Inc.
 %
 % This texinfo.tex file is free software: you can redistribute it and/or
 % modify it under the terms of the GNU General Public License as
@@ -97,6 +97,9 @@
 \let\ptexslash=\/
 \let\ptexstar=\*
 \let\ptext=\t
+\let\ptextop=\top
+{\catcode`\'=\active
+\global\let\ptexquoteright'}% Math-mode def from plain.tex.
 
 % If this character appears in an error message or help string, it
 % starts a new line in the output.
@@ -460,7 +463,7 @@
 \def\argremovecomment#1\comment#2\ArgTerm{\argremovec #1\c\ArgTerm}
 \def\argremovec#1\c#2\ArgTerm{\argcheckspaces#1\^^M\ArgTerm}
 
-% Each occurence of `\^^M' or `<space>\^^M' is replaced by a single space.
+% Each occurrence of `\^^M' or `<space>\^^M' is replaced by a single space.
 %
 % \argremovec might leave us with trailing space, e.g.,
 %    @end itemize  @c foo
@@ -485,7 +488,7 @@
 % to get _exactly_ the rest of the line, we had to prevent such situation.
 % We prepended an \empty token at the very beginning and we expand it now,
 % just before passing the control to \argtorun.
-% (Similarily, we have to think about #3 of \argcheckspacesY above: it is
+% (Similarly, we have to think about #3 of \argcheckspacesY above: it is
 % either the null string, or it ends with \^^M---thus there is no danger
 % that a pair of braces would be stripped.
 %
@@ -542,12 +545,12 @@
 % used to check whether the current environment is the one expected.
 %
 % Non-false conditionals (@iftex, @ifset) don't fit into this, so they
-% are not treated as enviroments; they don't open a group.  (The
+% are not treated as environments; they don't open a group.  (The
 % implementation of @end takes care not to call \endgroup in this
 % special case.)
 
 
-% At runtime, environments start with this:
+% At run-time, environments start with this:
 \def\startenvironment#1{\begingroup\def\thisenv{#1}}
 % initialize
 \let\thisenv\empty
@@ -565,7 +568,7 @@
   \fi
 }
 
-% Evironment mismatch, #1 expected:
+% Environment mismatch, #1 expected:
 \def\badenverr{%
   \errhelp = \EMsimple
   \errmessage{This command can appear only \inenvironment\temp,
@@ -649,8 +652,8 @@
 \def\jmacro{j}
 \def\dotless#1{%
   \def\temp{#1}%
-  \ifx\temp\imacro \ptexi
-  \else\ifx\temp\jmacro \j
+  \ifx\temp\imacro \ifmmode\imath \else\ptexi \fi
+  \else\ifx\temp\jmacro \ifmmode\jmath \else\j \fi
   \else \errmessage{@dotless can be used only with i or j}%
   \fi\fi
 }
@@ -916,15 +919,20 @@ where each line of input produces a line of output.}
   \temp
 }
 
-% @include file    insert text of that file as input.
+% @include FILE -- \input text of FILE.
 %
 \def\include{\parseargusing\filenamecatcodes\includezzz}
 \def\includezzz#1{%
   \pushthisfilestack
   \def\thisfile{#1}%
   {%
-    \makevalueexpandable
-    \def\temp{\input #1 }%
+    \makevalueexpandable  % we want to expand any @value in FILE.
+    \turnoffactive        % and allow special characters in the expansion
+    \indexnofonts         % Allow `@@' and other weird things in file names.
+    \edef\temp{\noexpand\input #1 }%
+    %
+    % This trickery is to read FILE outside of a group, in case it makes
+    % definitions, etc.
     \expandafter
   }\temp
   \popthisfilestack
@@ -939,6 +947,8 @@ where each line of input produces a line of output.}
   \catcode`>=\other
   \catcode`+=\other
   \catcode`-=\other
+  \catcode`\`=\other
+  \catcode`\'=\other
 }
 
 \def\pushthisfilestack{%
@@ -1114,6 +1124,16 @@ where each line of input produces a line of output.}
   \mathunderscore
   \let\\ = \mathbackslash
   \mathactive
+  % make the texinfo accent commands work in math mode
+  \let\"=\ddot
+  \let\'=\acute
+  \let\==\bar
+  \let\^=\hat
+  \let\`=\grave
+  \let\u=\breve
+  \let\v=\check
+  \let\~=\tilde
+  \let\dotaccent=\dot
   $\finishmath
 }
 \def\finishmath#1{#1$\endgroup}  % Close the group opened by \tex.
@@ -1127,17 +1147,21 @@ where each line of input produces a line of output.}
   \catcode`< = \active
   \catcode`> = \active
   \catcode`+ = \active
+  \catcode`' = \active
   \gdef\mathactive{%
     \let^ = \ptexhat
     \let< = \ptexless
     \let> = \ptexgtr
     \let+ = \ptexplus
+    \let' = \ptexquoteright
   }
 }
 
-% @bullet and @minus need the same treatment as @math, just above.
+% Some math mode symbols.
 \def\bullet{$\ptexbullet$}
-\def\minus{$-$}
+\def\geq{\ifmmode \ge\else $\ge$\fi}
+\def\leq{\ifmmode \le\else $\le$\fi}
+\def\minus{\ifmmode -\else $-$\fi}
 
 % @dots{} outputs an ellipsis using the current font.
 % We do .5em per period so that it has the same spacing in the cm
@@ -1362,8 +1386,11 @@ output) for that.)}
           \openin 1 #1.jpeg \ifeof 1
             \openin 1 #1.JPG \ifeof 1
               \openin 1 #1.pdf \ifeof 1
-                \errhelp = \nopdfimagehelp
-                \errmessage{Could not find image file #1 for pdf}%
+                \openin 1 #1.PDF \ifeof 1
+                  \errhelp = \nopdfimagehelp
+                  \errmessage{Could not find image file #1 for pdf}%
+                \else \gdef\pdfimgext{PDF}%
+                \fi
               \else \gdef\pdfimgext{pdf}%
               \fi
             \else \gdef\pdfimgext{JPG}%
@@ -1377,7 +1404,7 @@ output) for that.)}
       \closein 1
     \endgroup
     %
-    % without \immediate, pdftex seg faults when the same image is
+    % without \immediate, ancient pdftex seg faults when the same image is
     % included twice.  (Version 3.14159-pre-1.0-unofficial-20010704.)
     \ifnum\pdftexversion < 14
       \immediate\pdfimage
@@ -1607,6 +1634,10 @@ output) for that.)}
 \def\bf{\fam=\bffam \setfontstyle{bf}}\def\bfstylename{bf}
 \def\tt{\fam=\ttfam \setfontstyle{tt}}
 
+% Unfortunately, we have to override this for titles and the like, since
+% in those cases "rm" is bold.  Sigh.
+\def\rmisbold{\rm\def\curfontstyle{bf}}
+
 % Texinfo sort of supports the sans serif font style, which plain TeX does not.
 % So we set up a \sf.
 \newfam\sffam
@@ -2004,8 +2035,6 @@ end
 \setfont\titlesc\scbshape{10}{\magstep4}{OT1}
 \font\titlei=cmmi12 scaled \magstep3
 \font\titlesy=cmsy10 scaled \magstep4
-\def\authorrm{\secrm}
-\def\authortt{\sectt}
 \def\titleecsize{2074}
 
 % Chapter (and unnumbered) fonts (17.28pt).
@@ -2137,8 +2166,6 @@ end
 \setfont\titlesc\scbshape{10}{\magstep4}{OT1}
 \font\titlei=cmmi12 scaled \magstep3
 \font\titlesy=cmsy10 scaled \magstep4
-\def\authorrm{\secrm}
-\def\authortt{\sectt}
 \def\titleecsize{2074}
 
 % Chapter fonts (14.4pt).
@@ -2270,7 +2297,7 @@ end
   \def\curfontsize{title}%
   \def\lsize{chap}\def\lllsize{subsec}%
   \resetmathfonts \setleading{25pt}}
-\def\titlefont#1{{\titlefonts\rm #1}}
+\def\titlefont#1{{\titlefonts\rmisbold #1}}
 \def\chapfonts{%
   \let\tenrm=\chaprm \let\tenit=\chapit \let\tensl=\chapsl
   \let\tenbf=\chapbf \let\tentt=\chaptt \let\smallcaps=\chapsc
@@ -2376,7 +2403,7 @@ end
 
 \let\i=\smartitalic
 \let\slanted=\smartslanted
-\let\var=\smartslanted
+\def\var#1{{\setupmarkupstyle{var}\smartslanted{#1}}}
 \let\dfn=\smartslanted
 \let\emph=\smartitalic
 
@@ -2416,7 +2443,7 @@ end
   {\tt \rawbackslash \plainfrenchspacing #1}%
   \null
 }
-\def\samp#1{`\tclose{#1}'\null}
+\def\samp#1{{\setupmarkupstyle{samp}\lq\tclose{#1}\rq\null}}
 \setfont\keyrm\rmshape{8}{1000}{OT1}
 \font\keysy=cmsy9
 \def\key#1{{\keyrm\textfont2=\keysy \leavevmode\hbox{%
@@ -2425,7 +2452,7 @@ end
      \hbox{\raise0.4pt\hbox{\vphantom{\angleleft}}#1}}%
     \kern-0.4pt\hrule}%
   \kern-.06em\raise0.4pt\hbox{\angleright}}}}
-\def\key #1{{\nohyphenation \uppercase{#1}}\null}
+\def\key #1{{\setupmarkupstyle{key}\nohyphenation \uppercase{#1}}\null}
 % The old definition, with no lozenge:
 %\def\key #1{{\ttsl \nohyphenation \uppercase{#1}}\null}
 \def\ctrl #1{{\tt \rawbackslash \hat}#1}
@@ -2469,11 +2496,11 @@ end
 {
   \catcode`\-=\active \catcode`\_=\active
   \catcode`\'=\active \catcode`\`=\active
+  \global\let'=\rq \global\let`=\lq  % default definitions
   %
   \global\def\code{\begingroup
-    \catcode\rquoteChar=\active \catcode\lquoteChar=\active
-    \let'\codequoteright \let`\codequoteleft
-    %
+    \setupmarkupstyle{code}%
+    % The following should really be moved into \setupmarkupstyle handlers.
     \catcode\dashChar=\active  \catcode\underChar=\active
     \ifallowcodebreaks
      \let-\codedash
@@ -2552,14 +2579,21 @@ end
 \def\xkey{\key}
 \def\kbdfoo#1#2#3\par{\def\one{#1}\def\three{#3}\def\threex{??}%
 \ifx\one\xkey\ifx\threex\three \key{#2}%
-\else{\tclose{\kbdfont\look}}\fi
-\else{\tclose{\kbdfont\look}}\fi}
+\else{\tclose{\kbdfont\setupmarkupstyle{kbd}\look}}\fi
+\else{\tclose{\kbdfont\setupmarkupstyle{kbd}\look}}\fi}
 
 % For @indicateurl, @env, @command quotes seem unnecessary, so use \code.
 \let\indicateurl=\code
 \let\env=\code
 \let\command=\code
 
+% @clicksequence{File @click{} Open ...}
+\def\clicksequence#1{\begingroup #1\endgroup}
+
+% @clickstyle @arrow   (by default)
+\parseargdef\clickstyle{\def\click{#1}}
+\def\click{\arrow}
+
 % @uref (abbreviation for `urlref') takes an optional (comma-separated)
 % second argument specifying the text to display and an optional third
 % arg as text to display instead of (rather than in addition to) the url
@@ -2621,7 +2655,7 @@ end
 %
 \def\dmn#1{\thinspace #1}
 
-\def\kbd#1{\def\look{#1}\expandafter\kbdfoo\look??\par}
+\def\kbd#1{{\setupmarkupstyle{kbd}\def\look{#1}\expandafter\kbdfoo\look??\par}}
 
 % @l was never documented to mean ``switch to the Lisp font'',
 % and it is not used as such in any manual I can find.  We need it for
@@ -2722,8 +2756,35 @@ end
 \def\quotedblbase{{\ecfont \char"12}}
 \def\quotesinglbase{{\ecfont \char"0D}}
 %
+% This positioning is not perfect (see the ogonek LaTeX package), but
+% we have the precomposed glyphs for the most common cases.  We put the
+% tests to use those glyphs in the single \ogonek macro so we have fewer
+% dummy definitions to worry about for index entries, etc.
+% 
+% ogonek is also used with other letters in Lithuanian (IOU), but using
+% the precomposed glyphs for those is not so easy since they aren't in
+% the same EC font.
+\def\ogonek#1{{%
+  \def\temp{#1}%
+  \ifx\temp\macrocharA\Aogonek
+  \else\ifx\temp\macrochara\aogonek
+  \else\ifx\temp\macrocharE\Eogonek
+  \else\ifx\temp\macrochare\eogonek
+  \else
+    \ecfont \setbox0=\hbox{#1}%
+    \ifdim\ht0=1ex\accent"0C #1%
+    \else\ooalign{\unhbox0\crcr\hidewidth\char"0C \hidewidth}%
+    \fi
+  \fi\fi\fi\fi
+  }%
+}
+\def\Aogonek{{\ecfont \char"81}}\def\macrocharA{A}
+\def\aogonek{{\ecfont \char"A1}}\def\macrochara{a}
+\def\Eogonek{{\ecfont \char"86}}\def\macrocharE{E}
+\def\eogonek{{\ecfont \char"A6}}\def\macrochare{e}
+%
 \def\ecfont{%
-  % We can't distinguish serif/sanserif and italic/slanted, but this
+  % We can't distinguish serif/sans and italic/slanted, but this
   % is used for crude hacks anyway (like adding French and German
   % quotes to documents typeset with CM, where we lose kerning), so
   % hopefully nobody will notice/care.
@@ -2851,12 +2912,9 @@ end
 \let\subtitlerm=\tenrm
 \def\subtitlefont{\subtitlerm \normalbaselineskip = 13pt \normalbaselines}
 
-\def\authorfont{\authorrm \normalbaselineskip = 16pt \normalbaselines
-		\let\tt=\authortt}
-
 \parseargdef\title{%
   \checkenv\titlepage
-  \leftline{\titlefonts\rm #1}
+  \leftline{\titlefonts\rmisbold #1}
   % print a rule at the page bottom also.
   \finishedtitlepagefalse
   \vskip4pt \hrule height 4pt width \hsize \vskip4pt
@@ -2877,7 +2935,7 @@ end
   \else
     \checkenv\titlepage
     \ifseenauthor\else \vskip 0pt plus 1filll \seenauthortrue \fi
-    {\authorfont \leftline{#1}}%
+    {\secfonts\rmisbold \leftline{#1}}%
   \fi
 }
 
@@ -3847,11 +3905,11 @@ end
 \def\dosynindex#1#2#3{%
   % Only do \closeout if we haven't already done it, else we'll end up
   % closing the target index.
-  \expandafter \ifx\csname donesynindex#2\endcsname \undefined
+  \expandafter \ifx\csname donesynindex#2\endcsname \relax
     % The \closeout helps reduce unnecessary open files; the limit on the
     % Acorn RISC OS is a mere 16 files.
     \expandafter\closeout\csname#2indfile\endcsname
-    \expandafter\let\csname\donesynindex#2\endcsname = 1
+    \expandafter\let\csname donesynindex#2\endcsname = 1
   \fi
   % redefine \fooindfile:
   \expandafter\let\expandafter\temp\expandafter=\csname#3indfile\endcsname
@@ -4009,6 +4067,7 @@ end
   \definedummyword\guilsinglright
   \definedummyword\expansion
   \definedummyword\minus
+  \definedummyword\ogonek
   \definedummyword\pounds
   \definedummyword\point
   \definedummyword\print
@@ -4052,6 +4111,7 @@ end
   \definedummyword\v
   \definedummyword\H
   \definedummyword\dotaccent
+  \definedummyword\ogonek
   \definedummyword\ringaccent
   \definedummyword\tieaccent
   \definedummyword\ubaraccent
@@ -4432,7 +4492,7 @@ end
 %
 % A straightforward implementation would start like this:
 %	\def\entry#1#2{...
-% But this frozes the catcodes in the argument, and can cause problems to
+% But this freezes the catcodes in the argument, and can cause problems to
 % @code, which sets - active.  This problem was fixed by a kludge---
 % ``-'' was active throughout whole index, but this isn't really right.
 %
@@ -5034,7 +5094,6 @@ end
 %       3) Likewise, headings look best if no \parindent is used, and
 %          if justification is not attempted.  Hence \raggedright.
 
-
 \def\majorheading{%
   {\advance\chapheadingskip by 10pt \chapbreak }%
   \parsearg\chapheadingzzz
@@ -5044,7 +5103,7 @@ end
 \def\chapheadingzzz#1{%
   {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
                     \parindent=0pt\raggedright
-                    \rm #1\hfill}}%
+                    \rmisbold #1\hfill}}%
   \bigskip \par\penalty 200\relax
   \suppressfirstparagraphindent
 }
@@ -5163,7 +5222,7 @@ end
   \domark
   %
   {%
-    \chapfonts \rm
+    \chapfonts \rmisbold
     %
     % Have to define \lastsection before calling \donoderef, because the
     % xref code eventually uses it.  On the other hand, it has to be called
@@ -5225,7 +5284,7 @@ end
 \def\unnchfopen #1{%
 \chapoddpage {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
                        \parindent=0pt\raggedright
-                       \rm #1\hfill}}\bigskip \par\nobreak
+                       \rmisbold #1\hfill}}\bigskip \par\nobreak
 }
 \def\chfopen #1#2{\chapoddpage {\chapfonts
 \vbox to 3in{\vfil \hbox to\hsize{\hfil #2} \hbox to\hsize{\hfil #1} \vfil}}%
@@ -5234,7 +5293,7 @@ end
 \def\centerchfopen #1{%
 \chapoddpage {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
                        \parindent=0pt
-                       \hfill {\rm #1}\hfill}}\bigskip \par\nobreak
+                       \hfill {\rmisbold #1}\hfill}}\bigskip \par\nobreak
 }
 \def\CHAPFopen{%
   \global\let\chapmacro=\chfopen
@@ -5267,7 +5326,7 @@ end
 \def\sectionheading#1#2#3#4{%
   {%
     % Switch to the right set of fonts.
-    \csname #2fonts\endcsname \rm
+    \csname #2fonts\endcsname \rmisbold
     %
     \def\sectionlevel{#2}%
     \def\temptype{#3}%
@@ -5650,16 +5709,120 @@ end
 \message{environments,}
 % @foo ... @end foo.
 
+% 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
+% 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
+}
+
+\let\markupstylesetup\empty
+
+\def\defmarkupstylesetup#1{%
+  \expandafter\def\expandafter\markupstylesetup
+    \expandafter{\markupstylesetup #1}%
+  \def#1%
+}
+
+% Markup style setup for left and right quotes.
+\defmarkupstylesetup\markupsetuplq{%
+  \expandafter\let\expandafter \temp \csname markupsetuplq\currentmarkupstyle\endcsname
+  \ifx\temp\relax \markupsetuplqdefault \else \temp \fi
+}
+
+\defmarkupstylesetup\markupsetuprq{%
+  \expandafter\let\expandafter \temp \csname markupsetuprq\currentmarkupstyle\endcsname
+  \ifx\temp\relax \markupsetuprqdefault \else \temp \fi
+}
+
+{
+\catcode`\'=\active
+\catcode`\`=\active
+
+\gdef\markupsetuplqdefault{\let`\lq}
+\gdef\markupsetuprqdefault{\let'\rq}
+
+\gdef\markupsetcodequoteleft{\let`\codequoteleft}
+\gdef\markupsetcodequoteright{\let'\codequoteright}
+
+\gdef\markupsetnoligaturesquoteleft{\let`\noligaturesquoteleft}
+}
+
+\let\markupsetuplqcode \markupsetcodequoteleft
+\let\markupsetuprqcode \markupsetcodequoteright
+\let\markupsetuplqexample \markupsetcodequoteleft
+\let\markupsetuprqexample \markupsetcodequoteright
+\let\markupsetuplqverb \markupsetcodequoteleft
+\let\markupsetuprqverb \markupsetcodequoteright
+\let\markupsetuplqverbatim \markupsetcodequoteleft
+\let\markupsetuprqverbatim \markupsetcodequoteright
+
+\let\markupsetuplqsamp \markupsetnoligaturesquoteleft
+\let\markupsetuplqkbd \markupsetnoligaturesquoteleft
+
+% Allow an option to not replace quotes with a regular directed right
+% quote/apostrophe (char 0x27), but instead use the undirected quote
+% from cmtt (char 0x0d).  The undirected quote is ugly, so don't make it
+% the default, but it works for pasting with more pdf viewers (at least
+% evince), the lilypond developers report.  xpdf does work with the
+% regular 0x27.  
+% 
+\def\codequoteright{%
+  \expandafter\ifx\csname SETtxicodequoteundirected\endcsname\relax
+    \expandafter\ifx\csname SETcodequoteundirected\endcsname\relax
+      '%
+    \else \char'15 \fi
+  \else \char'15 \fi
+}
+%
+% and a similar option for the left quote char vs. a grave accent.
+% Modern fonts display ASCII 0x60 as a grave accent, so some people like
+% the code environments to do likewise.
+% 
+\def\codequoteleft{%
+  \expandafter\ifx\csname SETtxicodequotebacktick\endcsname\relax
+    \expandafter\ifx\csname SETcodequotebacktick\endcsname\relax
+      % [Knuth] pp. 380,381,391
+      % \relax disables Spanish ligatures ?` and !` of \tt font.
+      \relax`%
+    \else \char'22 \fi
+  \else \char'22 \fi
+}
+
+% [Knuth] pp. 380,381,391, disable Spanish ligatures ?` and !` of \tt font.
+\def\noligaturesquoteleft{\relax\lq}
+
 % @point{}, @result{}, @expansion{}, @print{}, @equiv{}.
 %
-% Since these characters are used in examples, it should be an even number of
+% Since these characters are used in examples, they should be an even number of
 % \tt widths. Each \tt character is 1en, so two makes it 1em.
 %
 \def\point{$\star$}
-\def\result{\leavevmode\raise.15ex\hbox to 1em{\hfil$\Rightarrow$\hfil}}
-\def\expansion{\leavevmode\raise.1ex\hbox to 1em{\hfil$\mapsto$\hfil}}
+\def\arrow{\leavevmode\raise.05ex\hbox to 1em{\hfil$\rightarrow$\hfil}}
+\def\result{\leavevmode\raise.05ex\hbox to 1em{\hfil$\Rightarrow$\hfil}}
+\def\expansion{\leavevmode\hbox to 1em{\hfil$\mapsto$\hfil}}
 \def\print{\leavevmode\lower.1ex\hbox to 1em{\hfil$\dashv$\hfil}}
-\def\equiv{\leavevmode\lower.1ex\hbox to 1em{\hfil$\ptexequiv$\hfil}}
+\def\equiv{\leavevmode\hbox to 1em{\hfil$\ptexequiv$\hfil}}
 
 % The @error{} command.
 % Adapted from the TeXbook's \boxit.
@@ -5689,6 +5852,7 @@ end
 % But \@ or @@ will get a plain tex @ character.
 
 \envdef\tex{%
+  \setupmarkupstyle{tex}%
   \catcode `\\=0 \catcode `\{=1 \catcode `\}=2
   \catcode `\$=3 \catcode `\&=4 \catcode `\#=6
   \catcode `\^=7 \catcode `\_=8 \catcode `\~=\active \let~=\tie
@@ -5698,6 +5862,8 @@ end
   \catcode `\|=\other
   \catcode `\<=\other
   \catcode `\>=\other
+  \catcode`\`=\other
+  \catcode`\'=\other
   \escapechar=`\\
   %
   \let\b=\ptexb
@@ -5717,6 +5883,7 @@ end
   \let\/=\ptexslash
   \let\*=\ptexstar
   \let\t=\ptext
+  \expandafter \let\csname top\endcsname=\ptextop  % outer
   \let\frenchspacing=\plainfrenchspacing
   %
   \def\endldots{\mathinner{\ldots\ldots\ldots\ldots}}%
@@ -5898,7 +6065,7 @@ end
 %
 \maketwodispenvs {lisp}{example}{%
   \nonfillstart
-  \tt\quoteexpand
+  \tt\setupmarkupstyle{example}%
   \let\kbdfont = \kbdexamplefont % Allow @kbd to do something special.
   \gobble       % eat return
 }
@@ -5941,7 +6108,7 @@ end
 % we're doing normal filling.  So, when using \aboveenvbreak and
 % \afterenvbreak, temporarily make \parskip 0.
 %
-\envdef\quotation{%
+\def\quotationstart{%
   {\parskip=0pt \aboveenvbreak}% because \aboveenvbreak inserts \parskip
   \parindent=0pt
   %
@@ -5956,6 +6123,17 @@ end
   \parsearg\quotationlabel
 }
 
+\envdef\quotation{%
+  \setnormaldispenv
+  \quotationstart
+}
+
+\envdef\smallquotation{%
+  \setsmalldispenv
+  \quotationstart
+}
+\let\Esmallquotation = \Equotation
+
 % We have retained a nonzero parskip for the environment, since we're
 % doing normal filling.
 %
@@ -5991,18 +6169,16 @@ end
   \do\ \do\\\do\{\do\}\do\$\do\&%
   \do\#\do\^\do\^^K\do\_\do\^^A\do\%\do\~%
   \do\<\do\>\do\|\do\@\do+\do\"%
+  % Don't do the quotes -- if we do, @set txicodequoteundirected and
+  % @set txicodequotebacktick will not have effect on @verb and
+  % @verbatim, and ?` and !` ligatures won't get disabled.
+  %\do\`\do\'%
 }
 %
 % [Knuth] p. 380
 \def\uncatcodespecials{%
   \def\do##1{\catcode`##1=\other}\dospecials}
 %
-% [Knuth] pp. 380,381,391
-% Disable Spanish ligatures ?` and !` of \tt font
-\begingroup
-  \catcode`\`=\active\gdef`{\relax\lq}
-\endgroup
-%
 % Setup for the @verb command.
 %
 % Eight spaces for a tab
@@ -6014,7 +6190,7 @@ end
 \def\setupverb{%
   \tt  % easiest (and conventionally used) font for verbatim
   \def\par{\leavevmode\endgraf}%
-  \catcode`\`=\active
+  \setupmarkupstyle{verb}%
   \tabeightspaces
   % Respect line breaks,
   % print special symbols as themselves, and
@@ -6029,33 +6205,6 @@ end
 \newdimen\tabw \setbox0=\hbox{\tt\space} \tabw=8\wd0 % tab amount
 %
 \def\starttabbox{\setbox0=\hbox\bgroup}
-
-% Allow an option to not replace quotes with a regular directed right
-% quote/apostrophe (char 0x27), but instead use the undirected quote
-% from cmtt (char 0x0d).  The undirected quote is ugly, so don't make it
-% the default, but it works for pasting with more pdf viewers (at least
-% evince), the lilypond developers report.  xpdf does work with the
-% regular 0x27.  
-% 
-\def\codequoteright{%
-  \expandafter\ifx\csname SETtxicodequoteundirected\endcsname\relax
-    \expandafter\ifx\csname SETcodequoteundirected\endcsname\relax
-      '%
-    \else \char'15 \fi
-  \else \char'15 \fi
-}
-%
-% and a similar option for the left quote char vs. a grave accent.
-% Modern fonts display ASCII 0x60 as a grave accent, so some people like
-% the code environments to do likewise.
-% 
-\def\codequoteleft{%
-  \expandafter\ifx\csname SETtxicodequotebacktick\endcsname\relax
-    \expandafter\ifx\csname SETcodequotebacktick\endcsname\relax
-      `%
-    \else \char'22 \fi
-  \else \char'22 \fi
-}
 %
 \begingroup
   \catcode`\^^I=\active
@@ -6069,13 +6218,6 @@ end
       \wd0=\dimen0 \box0 \starttabbox
     }%
   }
-  \catcode`\'=\active
-  \gdef\rquoteexpand{\catcode\rquoteChar=\active \def'{\codequoteright}}%
-  %
-  \catcode`\`=\active
-  \gdef\lquoteexpand{\catcode\lquoteChar=\active \def`{\codequoteleft}}%
-  %
-  \gdef\quoteexpand{\rquoteexpand \lquoteexpand}%
 \endgroup
 
 % start the verbatim environment.
@@ -6085,9 +6227,8 @@ end
   % Easiest (and conventionally used) font for verbatim
   \tt
   \def\par{\leavevmode\egroup\box0\endgraf}%
-  \catcode`\`=\active
   \tabexpand
-  \quoteexpand
+  \setupmarkupstyle{verbatim}%
   % Respect line breaks,
   % print special symbols as themselves, and
   % make each space count
@@ -6147,6 +6288,7 @@ end
   {%
     \makevalueexpandable
     \setupverbatim
+    \indexnofonts       % Allow `@@' and other weird things in file names.
     \input #1
     \afterenvbreak
   }%
@@ -6246,7 +6388,7 @@ end
 \def\Edefun{\endgraf\medbreak}
 
 % \makedefun{deffn} creates \deffn, \deffnx and \Edeffn;
-% the only thing remainnig is to define \deffnheader.
+% the only thing remaining is to define \deffnheader.
 %
 \def\makedefun#1{%
   \expandafter\let\csname E#1\endcsname = \Edefun
@@ -6425,7 +6567,7 @@ end
   %
   % On the other hand, if an argument has two dashes (for instance), we
   % want a way to get ttsl.  Let's try @var for that.
-  \let\var=\ttslanted
+  \def\var##1{{\setupmarkupstyle{var}\ttslanted{##1}}}%
   #1%
   \sl\hyphenchar\font=45
 }
@@ -6953,20 +7095,22 @@ end
   %
   % Make link in pdf output.
   \ifpdf
-    \leavevmode
-    \getfilename{#4}%
     {\indexnofonts
      \turnoffactive
+     % This expands tokens, so do it after making catcode changes, so _
+     % etc. don't get their TeX definitions.
+     \getfilename{#4}%
+     %
      % See comments at \activebackslashdouble.
      {\activebackslashdouble \xdef\pdfxrefdest{#1}%
       \backslashparens\pdfxrefdest}%
      %
+     \leavevmode
+     \startlink attr{/Border [0 0 0]}%
      \ifnum\filenamelength>0
-       \startlink attr{/Border [0 0 0]}%
-         goto file{\the\filename.pdf} name{\pdfxrefdest}%
+       goto file{\the\filename.pdf} name{\pdfxrefdest}%
      \else
-       \startlink attr{/Border [0 0 0]}%
-         goto name{\pdfmkpgn{\pdfxrefdest}}%
+       goto name{\pdfmkpgn{\pdfxrefdest}}%
      \fi
     }%
     \setcolor{\linkcolor}%
@@ -7317,7 +7461,7 @@ end
 % In case a @footnote appears in a vbox, save the footnote text and create
 % the real \insert just after the vbox finished.  Otherwise, the insertion
 % would be lost.
-% Similarily, if a @footnote appears inside an alignment, save the footnote
+% Similarly, if a @footnote appears inside an alignment, save the footnote
 % text to a box and make the \insert when a row of the table is finished.
 % And the same can be done for other insert classes.  --kasal, 16nov03.
 
@@ -7421,15 +7565,19 @@ end
   % If the image is by itself, center it.
   \ifvmode
     \imagevmodetrue
-    \nobreak\bigskip
+    \nobreak\medskip
     % Usually we'll have text after the image which will insert
     % \parskip glue, so insert it here too to equalize the space
     % above and below.
     \nobreak\vskip\parskip
     \nobreak
-    \line\bgroup
   \fi
   %
+  % Leave vertical mode so that indentation from an enclosing
+  % environment such as @quotation is respected.  On the other hand, if
+  % it's at the top level, we don't want the normal paragraph indentation.
+  \noindent
+  %
   % Output the image.
   \ifpdf
     \dopdfimage{#1}{#2}{#3}%
@@ -7440,7 +7588,7 @@ end
     \epsfbox{#1.eps}%
   \fi
   %
-  \ifimagevmode \egroup \bigbreak \fi  % space after the image
+  \ifimagevmode \medskip \fi  % space after the standalone image
 \endgroup}
 
 
@@ -7712,10 +7860,9 @@ end
 
 \message{localization,}
 
-% @documentlanguage is usually given very early, just after
-% @setfilename.  If done too late, it may not override everything
-% properly.  Single argument is the language (de) or locale (de_DE)
-% abbreviation.  It would be nice if we could set up a hyphenation file.
+% For single-language documents, @documentlanguage is usually given very
+% early, just after @documentencoding.  Single argument is the language
+% (de) or locale (de_DE) abbreviation.
 %
 {
   \catcode`\_ = \active
@@ -7728,10 +7875,11 @@ end
     \ifeof 1
       \documentlanguagetrywithoutunderscore{#1_\finish}%
     \else
+      \globaldefs = 1  % everything in the txi-LL files needs to persist
       \input txi-#1.tex
     \fi
     \closein 1
-  \endgroup
+  \endgroup % end raw TeX
 \endgroup}
 }
 %
@@ -7750,9 +7898,36 @@ end
 }
 %
 \newhelp\nolanghelp{The given language definition file cannot be found or
-is empty.  Maybe you need to install it?  In the current directory
-should work if nowhere else does.}
+is empty.  Maybe you need to install it?  Putting it in the current
+directory should work if nowhere else does.}
+
+% This macro is called from txi-??.tex files; the first argument is the
+% \language name to set (without the "\lang@" prefix), the second and
+% third args are \{left,right}hyphenmin.
+% 
+% The language names to pass are determined when the format is built.
+% See the etex.log file created at that time, e.g.,
+% /usr/local/texlive/2008/texmf-var/web2c/pdftex/etex.log.
+% 
+% With TeX Live 2008, etex now includes hyphenation patterns for all
+% available languages.  This means we can support hyphenation in
+% Texinfo, at least to some extent.  (This still doesn't solve the
+% accented characters problem.)
+% 
+\catcode`@=11
+\def\txisetlanguage#1#2#3{%
+  % do not set the language if the name is undefined in the current TeX.
+  \expandafter\ifx\csname lang@#1\endcsname \relax
+    \message{no patterns for #1}%
+  \else
+    \global\language = \csname lang@#1\endcsname
+  \fi
+  % but there is no harm in adjusting the hyphenmin values regardless.
+  \global\lefthyphenmin = #2\relax
+  \global\righthyphenmin = #3\relax
+}
 
+% Helpers for encodings.
 % Set the catcode of characters 128 through 255 to the specified number.
 %
 \def\setnonasciicharscatcode#1{%
@@ -7841,7 +8016,7 @@ should work if nowhere else does.}
   \gdef^^a8{\"{}} 
   \gdef^^a9{\copyright} 
   \gdef^^aa{\ordf}
-  \gdef^^ab{\missingcharmsg{LEFT-POINTING DOUBLE ANGLE QUOTATION MARK}} 
+  \gdef^^ab{\guillemetleft}
   \gdef^^ac{$\lnot$}
   \gdef^^ad{\-} 
   \gdef^^ae{\registeredsymbol} 
@@ -7860,7 +8035,7 @@ should work if nowhere else does.}
   \gdef^^b9{$^1$}
   \gdef^^ba{\ordm}
   %
-  \gdef^^bb{\missingcharmsg{RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK}}
+  \gdef^^bb{\guilletright}
   \gdef^^bc{$1\over4$}
   \gdef^^bd{$1\over2$}
   \gdef^^be{$3\over4$}
@@ -7953,7 +8128,7 @@ should work if nowhere else does.}
 % Latin2 (ISO-8859-2) character definitions.
 \def\lattwochardefs{%
   \gdef^^a0{~}
-  \gdef^^a1{\missingcharmsg{LATIN CAPITAL LETTER A WITH OGONEK}}
+  \gdef^^a1{\ogonek{A}}
   \gdef^^a2{\u{}}
   \gdef^^a3{\L}
   \gdef^^a4{\missingcharmsg{CURRENCY SIGN}}
@@ -7970,8 +8145,8 @@ should work if nowhere else does.}
   \gdef^^af{\dotaccent Z}
   %
   \gdef^^b0{\textdegree}
-  \gdef^^b1{\missingcharmsg{LATIN SMALL LETTER A WITH OGONEK}}
-  \gdef^^b2{\missingcharmsg{OGONEK}}
+  \gdef^^b1{\ogonek{a}}
+  \gdef^^b2{\ogonek{ }}
   \gdef^^b3{\l}
   \gdef^^b4{\'{}}
   \gdef^^b5{\v l}
@@ -7996,7 +8171,7 @@ should work if nowhere else does.}
   \gdef^^c7{\cedilla C}
   \gdef^^c8{\v C}
   \gdef^^c9{\'E}
-  \gdef^^ca{\missingcharmsg{LATIN CAPITAL LETTER E WITH OGONEK}}
+  \gdef^^ca{\ogonek{E}}
   \gdef^^cb{\"E}
   \gdef^^cc{\v E}
   \gdef^^cd{\'I}
@@ -8030,7 +8205,7 @@ should work if nowhere else does.}
   \gdef^^e7{\cedilla c}
   \gdef^^e8{\v c}
   \gdef^^e9{\'e}
-  \gdef^^ea{\missingcharmsg{LATIN SMALL LETTER E WITH OGONEK}}
+  \gdef^^ea{\ogonek{e}}
   \gdef^^eb{\"e}
   \gdef^^ec{\v e}
   \gdef^^ed{\'\i}
@@ -8259,10 +8434,14 @@ should work if nowhere else does.}
   \DeclareUnicodeCharacter{0101}{\=a}
   \DeclareUnicodeCharacter{0102}{\u{A}}
   \DeclareUnicodeCharacter{0103}{\u{a}}
+  \DeclareUnicodeCharacter{0104}{\ogonek{A}}
+  \DeclareUnicodeCharacter{0105}{\ogonek{a}}
   \DeclareUnicodeCharacter{0106}{\'C}
   \DeclareUnicodeCharacter{0107}{\'c}
   \DeclareUnicodeCharacter{0108}{\^C}
   \DeclareUnicodeCharacter{0109}{\^c}
+  \DeclareUnicodeCharacter{0118}{\ogonek{E}}
+  \DeclareUnicodeCharacter{0119}{\ogonek{e}}
   \DeclareUnicodeCharacter{010A}{\dotaccent{C}}
   \DeclareUnicodeCharacter{010B}{\dotaccent{c}}
   \DeclareUnicodeCharacter{010C}{\v{C}}
@@ -8410,6 +8589,8 @@ should work if nowhere else does.}
   \DeclareUnicodeCharacter{0233}{\=y}
   \DeclareUnicodeCharacter{0237}{\dotless{j}}
 
+  \DeclareUnicodeCharacter{02DB}{\ogonek{ }}
+
   \DeclareUnicodeCharacter{1E02}{\dotaccent{B}}
   \DeclareUnicodeCharacter{1E03}{\dotaccent{b}}
   \DeclareUnicodeCharacter{1E04}{\udotaccent{B}}
@@ -8912,6 +9093,8 @@ should work if nowhere else does.}
   @let>=@normalgreater
   @let+=@normalplus
   @let$=@normaldollar %$ font-lock fix
+  @markupsetuplqdefault
+  @markupsetuprqdefault
   @unsepspaces
 }
 
@@ -8946,7 +9129,15 @@ should work if nowhere else does.}
 @catcode`@# = @other
 @catcode`@% = @other
 
-
+@c Finally, make ` and ' active, so that txicodequoteundirected and
+@c txicodequotebacktick work right in, e.g., @w{@code{`foo'}}.  If we
+@c don't make ` and ' active, @code will not get them as active chars.
+@c Do this last of all since we use ` in the previous @catcode assignments.
+@catcode`@'=@active
+@catcode`@`=@active
+@markupsetuplqdefault
+@markupsetuprqdefault
+ 
 @c Local variables:
 @c eval: (add-hook 'write-file-hooks 'time-stamp)
 @c page-delimiter: "^\\\\message"