% Load plain if necessary, i.e., if running under initex.
\expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
%
-\def\texinfoversion{2015-02-05.16}
+\def\texinfoversion{2015-08-17.16}
%
% Copyright 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995,
% 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
% described on page 260 of The TeXbook. It involves outputting two
% marks for the sectioning macros, one before the section break, and
% one after. I won't pretend I can describe this better than DEK...
+%
\def\domark{%
\toks0=\expandafter{\lastchapterdefs}%
\toks2=\expandafter{\lastsectiondefs}%
% Avoid "undefined control sequence" errors.
\def\lastchapterdefs{}
\def\lastsectiondefs{}
+\def\lastsection{}
\def\prevchapterdefs{}
\def\prevsectiondefs{}
\def\lastcolordefs{}
% Section fonts (14.4pt).
\def\secnominalsize{14pt}
\setfont\secrm\rmbshape{12}{\magstep1}{OT1}
+\setfont\secrmnotbold\rmshape{12}{\magstep1}{OT1}
\setfont\secit\itbshape{10}{\magstep2}{OT1IT}
\setfont\secsl\slbshape{10}{\magstep2}{OT1}
\setfont\sectt\ttbshape{12}{\magstep1}{OT1TT}
\def\sup{\ifmmode \expandafter\ptexsp \else \expandafter\finishsup\fi}
\def\finishsup#1{$\ptexsp{\hbox{\selectfonts\lllsize #1}}$}%
-% ctrl is no longer a Texinfo command, but leave this definition for fun.
-\def\ctrl #1{{\tt \rawbackslash \hat}#1}
-
% @inlinefmt{FMTNAME,PROCESSED-TEXT} and @inlineraw{FMTNAME,RAW-TEXT}.
% Ignore unless FMTNAME == tex; then it is like @iftex and @tex,
% except specified as a normal braced arg, so no newlines to worry about.
\TeX
}
-% Some math mode symbols.
-\def\bullet{$\ptexbullet$}
-\def\geq{\ifmmode \ge\else $\ge$\fi}
-\def\leq{\ifmmode \le\else $\le$\fi}
-\def\minus{\ifmmode -\else $-$\fi}
+% Some math mode symbols. Define \ensuremath to switch into math mode
+% unless we are already there. Expansion tricks may not be needed here,
+% but safer, and can't hurt.
+\def\ensuremath{\ifmmode \expandafter\asis \else\expandafter\ensuredmath \fi}
+\def\ensuredmath#1{$\relax#1$}
+%
+\def\bullet{\ensuremath\ptexbullet}
+\def\geq{\ensuremath\ge}
+\def\leq{\ensuremath\le}
+\def\minus{\ensuremath-}
% @dots{} outputs an ellipsis using the current font.
% We do .5em per period so that it has the same spacing in the cm
\def\Eogonek{{\ecfont \char"86}}\def\macrocharE{E}
\def\eogonek{{\ecfont \char"A6}}\def\macrochare{e}
%
-% Use the ec* fonts (cm-super in outline format) for non-CM glyphs.
-\def\ecfont{%
+% Use the European Computer Modern fonts (cm-super in outline format)
+% for non-CM glyphs. That is ec* for regular text and tc* for the text
+% companion symbols (LaTeX TS1 encoding). Both are part of the ec
+% package and follow the same conventions.
+%
+\def\ecfont{\etcfont{e}}
+\def\tcfont{\etcfont{t}}
+%
+\def\etcfont#1{%
% 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
\edef\nominalsize{\csname\curfontsize nominalsize\endcsname}%
\ifmonospace
% typewriter:
- \font\thisecfont = ectt\ecsize \space at \nominalsize
+ \font\thisecfont = #1ctt\ecsize \space at \nominalsize
\else
\ifx\curfontstyle\bfstylename
% bold:
- \font\thisecfont = ecb\ifusingit{i}{x}\ecsize \space at \nominalsize
+ \font\thisecfont = #1cb\ifusingit{i}{x}\ecsize \space at \nominalsize
\else
% regular:
- \font\thisecfont = ec\ifusingit{ti}{rm}\ecsize \space at \nominalsize
+ \font\thisecfont = #1c\ifusingit{ti}{rm}\ecsize \space at \nominalsize
\fi
\fi
\thisecfont
% These macros are used by the sorted index file itself.
% Change them to control the appearance of the index.
-\def\initial#1{{%
- % Some minor font changes for the special characters.
- \let\tentt=\sectt \let\tt=\sectt \let\sf=\sectt
- %
+\let\normalhyphen=-
+{\catcode`\/=13 \catcode`\-=13 \catcode`\^=13 \catcode`\~=13 \catcode`\_=13
+\catcode`\|=13 \catcode`\<=13 \catcode`\>=13 \catcode`\+=13 \catcode`\"=13
+\catcode`\$=3
+\gdef\initialfonts{%
+ \usemathbackslash
+ \secfonts
+ % Some changes for non-alphabetic characters. Using the glyphs from the
+ % math fonts looks more consistent than the typewriter font used elsewhere
+ % for these characters.
+ % Can't get bold backslash so don't use bold forward slash
+ \catcode`\/=13
+ \def/{{\secrmnotbold \normalslash}}
+ \catcode`\-=13
+ \def-{{\normalhyphen\normalhyphen}}
+ \let^=\normalcaret
+ \let~=\normaltilde
+ \def\_{%
+ \leavevmode \kern.07em \vbox{\hrule width.33em height.06ex}\kern .07em }
+ \def|{$\vert$}
+ \def<{$\less$}
+ \def>{$\gtr$}
+ \def+{$\normalplus$}
+ \let"=\normaldoublequote
+}}
+
+\def\initial{%
+ \bgroup
+ \initialfonts
+ \initialx
+}
+
+\def\initialx#1{%
% Remove any glue we may have, we'll be inserting our own.
\removelastskip
%
% Do our best not to break after the initial.
\nobreak
\vskip .33\baselineskip plus .1\baselineskip
-}}
+ \egroup % \initialfonts
+}
% \entry typesets a paragraph consisting of the text (#1), dot leaders, and
% then page number (#2) flushed to the right margin. It is used for index
% typesetting commands (@smallbook, font changes, etc.) have to be done
% beforehand -- and a) we want @copying to be done first in the source
% file; b) letting users define the frontmatter in as flexible order as
-% possible is very desirable.
+% possible is desirable.
%
\def\copying{\checkenv{}\begingroup\scanargctxt\docopying}
\def\docopying#1@end copying{\endgroup\def\copyingtext{#1}}
}
\fi
+% Used to remove a category 13 newline, added to the end of the last
+% line read in by \scantokens.
+{\catcode`\^^M=13 \gdef\gobblecr^^M{}}
+
+% Argument is macro body with arguments substituted
\def\scanmacro#1{\begingroup
\newlinechar`\^^M
\let\xeatspaces\eatspaces
% ... and for \example:
\spaceisspace
%
- % The \empty here causes a following catcode 5 newline to be eaten as
- % part of reading whitespace after a control sequence. It does not
- % eat a catcode 13 newline. There's no good way to handle the two
- % cases (untried: maybe e-TeX's \everyeof could help, though plain TeX
- % would then have different behavior). See the Macro Details node in
- % the manual for the workaround we recommend for macros and
- % line-oriented commands.
- %
- \scantokens{#1\empty}%
+ \ifnum\catcode`\^^M=5
+ % The \empty here causes a following catcode 5 newline to be eaten as
+ % part of reading whitespace after a control sequence.
+ \scantokens{#1\empty}%
+ \else
+ \catcode`\^^M=13
+ \scantokens{#1\gobblecr}%
+ \fi
\endgroup}
\def\scanexp#1{%
\def\macrobodyctxt{% used for @macro definitions
\scanctxt
+ \catcode`\ =\other
\catcode`\{=\other
\catcode`\}=\other
\catcode`\^^M=\other
\usembodybackslash
}
-\def\macroargctxt{% used when scanning invocations
+% Used when scanning braced macro arguments. Note, however, that catcode
+% changes here are ineffectual if the macro invocation was nested inside
+% an argument to another Texinfo command.
+\def\macroargctxt{%
\scanctxt
- \catcode`\\=0
+ \catcode`\\=\active
}
-% why catcode 0 for \ in the above? To recognize \\ \{ \} as "escapes"
-% for the single characters \ { }. Thus, we end up with the "commands"
-% that would be written @\ @{ @} in a Texinfo document.
-%
-% We already have @{ and @}. For @\, we define it here, and only for
-% this purpose, to produce a typewriter backslash (so, the @\ that we
-% define for @math can't be used with @macro calls):
-%
+
\def\\{\normalbackslash}%
-%
-% We would like to do this for \, too, since that is what makeinfo does.
-% But it is not possible, because Texinfo already has a command @, for a
-% cedilla accent. Documents must use @comma{} instead.
-%
-% \anythingelse will almost certainly be an error of some kind.
+
+\def\macrolineargctxt{% used for whole-line arguments without braces
+ \scanctxt
+ \catcode`\{=\other
+ \catcode`\}=\other
+}
% \mbodybackslash is the definition of \ in @macro bodies.
% It maps \foo\ => \csname macarg.foo\endcsname => #N
% This makes use of the obscure feature that if the last token of a
% <parameter list> is #, then the preceding argument is delimited by
% an opening brace, and that opening brace is not consumed.
+%
\def\getargs#1{\getargsxxx#1{}}
\def\getargsxxx#1#{\getmacname #1 \relax\getmacargs}
\def\getmacname#1 #2\relax{\macname={#1}}
\def\getmacargs#1{\def\argl{#1}}
-% For macro processing make @ a letter so that we can make Texinfo private macro names.
+% For macro processing make @ a letter so that we can make
+% private-to-Texinfo macro names.
\edef\texiatcatcode{\the\catcode`\@}
\catcode `@=11\relax
%
% If you compile with TeX (not eTeX), and you have macros with 10 or more
% arguments, no macro can have more than 256 arguments (else error).
+%
\def\parsemargdef#1;{%
\paramno=0\def\paramlist{}%
\let\hash\relax
% These two commands read recursive and nonrecursive macro bodies.
% (They're different since rec and nonrec macros end differently.)
-%
-
+% Set \temp to the body of the macro, and call \defmacro.
\catcode `\@\texiatcatcode
-\long\def\parsemacbody#1@end macro%
-{\xdef\temp{\eatcr{#1}}\endgroup\defmacro}%
-\long\def\parsermacbody#1@end rmacro%
-{\xdef\temp{\eatcr{#1}}\endgroup\defmacro}%
+{\catcode`\ =\other\long\gdef\parsemacbody#1@end macro{%
+\xdef\temp{\eatcr{#1}}\endgroup\defmacro}}%
+{\catcode`\ =\other\long\gdef\parsermacbody#1@end rmacro{%
+\xdef\temp{\eatcr{#1}}\endgroup\defmacro}}%
\catcode `\@=11\relax
\let\endargs@\relax
\long\def\nillm@{\nil@}%
% This macro is expanded during the Texinfo macro expansion, not during its
-% definition. It gets all the arguments values and assigns them to macros
+% definition. It gets all the arguments' values and assigns them to macros
% macarg.ARGNAME
%
% #1 is the macro name
\fi
}
-%
+% Internal for \getargsval@.
+%
\def\getargvals@@{%
\ifx\paramlist\nilm@
% Some sanity check needed here that \argvaluelist is also empty.
}
% Replace arguments by their values in the macro body, and place the result
-% in macro \@tempa
+% in macro \@tempa.
+%
\def\macvalstoargs@{%
% To do this we use the property that token registers that are \the'ed
% within an \edef expand only once. So we are going to place all argument
\expandafter\def\expandafter\@tempa\expandafter{\@tempc}%
}
+% Define the named-macro outside of this group and then close this group.
+%
\def\macargexpandinbody@{%
- %% Define the named-macro outside of this group and then close this group.
\expandafter
\endgroup
\macargdeflist@
\next
}
-% Save the token stack pointer into macro #1
+% Save the token stack pointer into macro #1:
\def\texisavetoksstackpoint#1{\edef#1{\the\@cclvi}}
-% Restore the token stack pointer from number in macro #1
-\def\texirestoretoksstackpoint#1{\expandafter\mathchardef\expandafter\@cclvi#1\relax}
-% newtoks that can be used non \outer .
+%
+% Restore the token stack pointer from number in macro #1:
+\def\texirestoretoksstackpoint#1{\expandafter\mathchardef
+ \expandafter\@cclvi#1\relax}
+% Variant \newtoks that can be used non-\outer:
\def\texinonouternewtoks{\alloc@ 5\toks \toksdef \@cclvi}
-% Tailing missing arguments are set to empty
+% Tailing missing arguments are set to empty.
+%
\def\setemptyargvalues@{%
\ifx\paramlist\nilm@
\let\next\macargexpandinbody@
\long\def#2{#4}%
}
-% This defines a Texinfo @macro. There are eight cases: recursive and
-% nonrecursive macros of zero, one, up to nine, and many arguments.
+% This defines a Texinfo @macro. \temp has the body of the macro in it.
+% There are eight cases: recursive and nonrecursive macros of zero, one,
+% up to nine, and many arguments.
% Much magic with \expandafter here.
% \xdef is used so that macro definitions will survive the file
% they're defined in; @include reads the file inside a group.
\noexpand\scanmacro{\temp}}%
\or % 1
\expandafter\xdef\csname\the\macname\endcsname{%
- \bgroup\noexpand\macroargctxt
+ \bgroup
\noexpand\braceorline
\expandafter\noexpand\csname\the\macname xxx\endcsname}%
\expandafter\xdef\csname\the\macname xxx\endcsname##1{%
\noexpand\scanmacro{\temp}\egroup}%
\or % 1
\expandafter\xdef\csname\the\macname\endcsname{%
- \bgroup\noexpand\macroargctxt
+ \bgroup
\noexpand\braceorline
\expandafter\noexpand\csname\the\macname xxx\endcsname}%
\expandafter\xdef\csname\the\macname xxx\endcsname##1{%
\fi
\fi}
-\catcode `\@\texiatcatcode\relax
+\catcode `\@\texiatcatcode\relax % end private-to-Texinfo catcodes
\def\norecurse#1{\bgroup\cslet{#1}{macsave.#1}}
-% \braceorline decides whether the next nonwhitespace character is a
-% {. If so it reads up to the closing }, if not, it reads the whole
-% line. Whatever was read is then fed to the next control sequence
-% as an argument (by \parsebrace or \parsearg).
+
+{\catcode`\@=0 \catcode`\\=13
+@catcode`@_=11
+
+% Call #1 with a list of tokens #2, with any doubled backslashes in #2
+% compressed to one.
+@gdef@passargtomacro#1#2{%
+ @def@the_macro{#1}%
+ @def@pending_backslash{}%
+ @def@finish{@finish}%
+ @def@arg_result{}%
+ @let@next_token=@relax
+ @add_segment#2\@finish\%
+}
+
+% Input stream is just after a backslash. If the next token is not a
+% backslash, process the rest of the argument; otherwise, remove the next
+% token.
+@gdef@look_ahead{%
+ @futurelet@next_token@look_aheadzzz}
+@gdef@look_aheadzzz{%
+ @ifx@next_token\%
+ @let@next=@gobble_and_check_finish
+ @else
+ @let@next=@add_segment
+ @fi@next
+}
+
+% Double backslash found. Add a single backslash here.
+@gdef@gobble_and_check_finish#1{%
+ @add_the_backslash
+ @def@pending_backslash{}%
+ @futurelet@next_token@add_segment
+}
+
+% append a backslash to \arg_result
+@gdef@add_the_backslash{%
+ @expandafter@gdef@expandafter@arg_result@expandafter{@arg_result\}%
+}
+
+% Input stream is either at the start of the argument, or just after a
+% backslash sequence, either a lone backslash, or a doubled backslash.
+% \next_token contains the first token in the input stream: if it is \finish,
+% finish; otherwise, append to \arg_result the segment of the argument up until
+% the next backslash. \pending_backslash contains a backslash to represent
+% a backslash just before the start of the input stream that has not been
+% added to \arg_result.
+@gdef@add_segment#1\{%
+@ifx@next_token@finish
+ @let@next=@call_the_macro%
+@else
+ @let@next=@look_ahead
+ %
+ % append to @arg_result
+ % token list registers might be better
+ @expandafter@expandafter@expandafter@gdef
+ @expandafter@expandafter@expandafter@arg_result
+ @expandafter@expandafter@expandafter{%
+ @expandafter@arg_result
+ @pending_backslash#1}%
+ @def@pending_backslash{\}%
+@fi@next}
+
+@gdef@call_the_macro{@expandafter@the_macro@expandafter{@arg_result}}
+
+}
+
+% \braceorline MAC is used for a one-argument macro MAC. It checks
+% whether the next non-whitespace character is a {. It sets the context
+% for reading the argument (slightly different in the two cases). Then,
+% to read the argument, in the whole-line case, it then calls the regular
+% \parsearg MAC; in the lbrace case, it calls \passargtomacro MAC.
%
\def\braceorline#1{\let\macnamexxx=#1\futurelet\nchar\braceorlinexxx}
\def\braceorlinexxx{%
- \ifx\nchar\bgroup\else
- \expandafter\parsearg
+ \ifx\nchar\bgroup
+ \macroargctxt
+ \expandafter\passargtomacro
+ \else
+ \macrolineargctxt\expandafter\parsearg
\fi \macnamexxx}
\catcode\count255=#1\relax
\advance\count255 by 1
\repeat
-
}
% @documentencoding sets the definition of non-ASCII characters
\def\latonechardefs{%
\gdef^^a0{\tie}
\gdef^^a1{\exclamdown}
- \gdef^^a2{\missingcharmsg{CENT SIGN}}
- \gdef^^a3{{\pounds}}
- \gdef^^a4{\missingcharmsg{CURRENCY SIGN}}
- \gdef^^a5{\missingcharmsg{YEN SIGN}}
- \gdef^^a6{\missingcharmsg{BROKEN BAR}}
+ \gdef^^a2{{\tcfont \char162}} % cent
+ \gdef^^a3{\pounds}
+ \gdef^^a4{{\tcfont \char164}} % currency
+ \gdef^^a5{{\tcfont \char165}} % yen
+ \gdef^^a6{{\tcfont \char166}} % broken bar
\gdef^^a7{\S}
\gdef^^a8{\"{}}
\gdef^^a9{\copyright}
\gdef^^aa{\ordf}
\gdef^^ab{\guillemetleft}
- \gdef^^ac{$\lnot$}
+ \gdef^^ac{\ensuremath\lnot}
\gdef^^ad{\-}
\gdef^^ae{\registeredsymbol}
\gdef^^af{\={}}
\gdef^^b4{\'{}}
\gdef^^b5{$\mu$}
\gdef^^b6{\P}
- \gdef^^b7{\ifmmode\cdot\else $\cdot$\fi}
+ \gdef^^b7{\ensuremath\cdot}
\gdef^^b8{\cedilla\ }
\gdef^^b9{$^1$}
\gdef^^ba{\ordm}
\def\utfeightchardefs{%
\DeclareUnicodeCharacter{00A0}{\tie}
\DeclareUnicodeCharacter{00A1}{\exclamdown}
+ \DeclareUnicodeCharacter{00A2}{{\tcfont \char162}}% 0242=cent
\DeclareUnicodeCharacter{00A3}{\pounds}
+ \DeclareUnicodeCharacter{00A4}{{\tcfont \char164}}% 0244=currency
+ \DeclareUnicodeCharacter{00A5}{{\tcfont \char165}}% 0245=yen
+ \DeclareUnicodeCharacter{00A6}{{\tcfont \char166}}% 0246=brokenbar
\DeclareUnicodeCharacter{00A7}{\S}
\DeclareUnicodeCharacter{00A8}{\"{ }}
\DeclareUnicodeCharacter{00A9}{\copyright}
\DeclareUnicodeCharacter{00AA}{\ordf}
\DeclareUnicodeCharacter{00AB}{\guillemetleft}
- \DeclareUnicodeCharacter{00AC}{\ifmmode\lnot\else $\lnot$\fi}
+ \DeclareUnicodeCharacter{00AC}{\ensuremath\lnot}
\DeclareUnicodeCharacter{00AD}{\-}
\DeclareUnicodeCharacter{00AE}{\registeredsymbol}
\DeclareUnicodeCharacter{00AF}{\={ }}
\DeclareUnicodeCharacter{00B0}{\ringaccent{ }}
- \DeclareUnicodeCharacter{00B1}{\ifmmode\pm\else $\pm$\fi}
+ \DeclareUnicodeCharacter{00B1}{\ensuremath\pm}
\DeclareUnicodeCharacter{00B2}{$^2$}
\DeclareUnicodeCharacter{00B3}{$^3$}
\DeclareUnicodeCharacter{00B4}{\'{ }}
\DeclareUnicodeCharacter{00B5}{$\mu$}
\DeclareUnicodeCharacter{00B6}{\P}
- \DeclareUnicodeCharacter{00B7}{\ifmmode\cdot\else $\cdot$\fi}
+ \DeclareUnicodeCharacter{00B7}{\ensuremath\cdot}
\DeclareUnicodeCharacter{00B8}{\cedilla{ }}
\DeclareUnicodeCharacter{00B9}{$^1$}
\DeclareUnicodeCharacter{00BA}{\ordm}
\DeclareUnicodeCharacter{00D4}{\^O}
\DeclareUnicodeCharacter{00D5}{\~O}
\DeclareUnicodeCharacter{00D6}{\"O}
- \DeclareUnicodeCharacter{00D7}{\ifmmode\times\else $\times$\fi}
+ \DeclareUnicodeCharacter{00D7}{\ensuremath\times}
\DeclareUnicodeCharacter{00D8}{\O}
\DeclareUnicodeCharacter{00D9}{\`U}
\DeclareUnicodeCharacter{00DA}{\'U}
\DeclareUnicodeCharacter{00F4}{\^o}
\DeclareUnicodeCharacter{00F5}{\~o}
\DeclareUnicodeCharacter{00F6}{\"o}
- \DeclareUnicodeCharacter{00F7}{\ifmmode\div\else $\div$\fi}
+ \DeclareUnicodeCharacter{00F7}{\ensuremath\div}
\DeclareUnicodeCharacter{00F8}{\o}
\DeclareUnicodeCharacter{00F9}{\`u}
\DeclareUnicodeCharacter{00FA}{\'u}
\DeclareUnicodeCharacter{0135}{\^{\dotless{j}}}
\DeclareUnicodeCharacter{0136}{\cedilla{K}}
\DeclareUnicodeCharacter{0137}{\cedilla{k}}
- \DeclareUnicodeCharacter{0138}{\ifmmode\kappa\else $\kappa$\fi}
+ \DeclareUnicodeCharacter{0138}{\ensuremath\kappa}
\DeclareUnicodeCharacter{0139}{\'L}
\DeclareUnicodeCharacter{013A}{\'l}
\DeclareUnicodeCharacter{013B}{\cedilla{L}}
\DeclareUnicodeCharacter{201C}{\quotedblleft}
\DeclareUnicodeCharacter{201D}{\quotedblright}
\DeclareUnicodeCharacter{201E}{\quotedblbase}
+ \DeclareUnicodeCharacter{2020}{\ensuremath\dagger}
+ \DeclareUnicodeCharacter{2021}{\ensuremath\ddagger}
\DeclareUnicodeCharacter{2022}{\bullet}
\DeclareUnicodeCharacter{2026}{\dots}
\DeclareUnicodeCharacter{2039}{\guilsinglleft}
\DeclareUnicodeCharacter{2212}{\minus}
\DeclareUnicodeCharacter{2217}{\point}
+ \DeclareUnicodeCharacter{2225}{\ensuremath\parallel}
\DeclareUnicodeCharacter{2261}{\equiv}
}% end of \utfeightchardefs
\def\nonasciistringdefs{%
\setnonasciicharscatcode\active
\def\defstringchar##1{\def##1{\string##1}}%
+ %
+ \defstringchar^^80\defstringchar^^81\defstringchar^^82\defstringchar^^83%
+ \defstringchar^^84\defstringchar^^85\defstringchar^^86\defstringchar^^87%
+ \defstringchar^^88\defstringchar^^89\defstringchar^^8a\defstringchar^^8b%
+ \defstringchar^^8c\defstringchar^^8d\defstringchar^^8e\defstringchar^^8f%
+ %
+ \defstringchar^^90\defstringchar^^91\defstringchar^^92\defstringchar^^93%
+ \defstringchar^^94\defstringchar^^95\defstringchar^^96\defstringchar^^97%
+ \defstringchar^^98\defstringchar^^99\defstringchar^^9a\defstringchar^^9b%
+ \defstringchar^^9c\defstringchar^^9d\defstringchar^^9e\defstringchar^^9f%
+ %
\defstringchar^^a0\defstringchar^^a1\defstringchar^^a2\defstringchar^^a3%
\defstringchar^^a4\defstringchar^^a5\defstringchar^^a6\defstringchar^^a7%
\defstringchar^^a8\defstringchar^^a9\defstringchar^^aa\defstringchar^^ab%
\def\activedoublequote{{\tt\char34}}
\let"=\activedoublequote
\catcode`\~=\active \def\activetilde{{\tt\char126}} \let~ = \activetilde
-\chardef\hat=`\^
-\catcode`\^=\active \def\activehat{{\tt \hat}} \let^ = \activehat
+\chardef\hatchar=`\^
+\catcode`\^=\active \def\activehat{{\tt \hatchar}} \let^ = \activehat
\catcode`\_=\active
\def_{\ifusingtt\normalunderscore\_}
@gdef@rawbackslash{@let\=@backslashcurfont}
@gdef@otherbackslash{@let\=@realbackslash}
+@gdef@usemathbackslash{@def@backslashcurfont{@math{@backslash}}}
+
% Same as @turnoffactive except outputs \ as {\tt\char`\\} instead of
% the literal character `\'. Also revert - to its normal character, in
% case the active - from code has slipped in.