uucp-11/uucp/texinfo.tex

1 % texinfo.tex -- TeX macros to handle Texinfo files.
11 % This texinfo.tex file is free software; you can redistribute it and/or
16 % This texinfo.tex file is distributed in the hope that it will be
22 % along with this texinfo.tex file; see the file COPYING.  If not, write
30 % Please try the latest version of texinfo.tex before submitting bug
32 %   ftp://ftp.gnu.org/gnu/texinfo.tex
34 %   ftp://texinfo.org/tex/texinfo.tex
35 %   ftp://us.ctan.org/macros/texinfo/texinfo.tex
37 %   /home/gd/gnu/doc/texinfo.tex on the GNU machines.
38 % The texinfo.tex in any given Texinfo distribution could well be out
49 %   tex foo.texi
51 %   tex foo.texi
52 %   tex foo.texi
58 % It is possible to adapt texinfo.tex for other languages.  You can get
69 % Save some parts of plain tex whose names we will redefine.
86 % For @tex, we can use \tabalign.
1086 % before you read in texinfo.tex.
1714 % Only define if not already defined, in case a txi-??.tex file has set
1715 % up a different format (e.g., txi-cs.tex does this).
2363   % this texinfo.tex file).  We change the catcode of @ below to match.
2398     \immediate\write16{This manual trips a bug in TeX version 3.0 (tex hangs).}
2411 % **In TeX 3.0, setting text in \nullfont hangs tex.  For a
2472     % Do not execute instructions in @tex
2473     \def\tex{\doignore{tex}}%
2611 % Define \newwrite to be identical to plain tex's \newwrite
2697 % Take care of the plain tex accent commands.
2710 % Take care of the plain tex special European modified letters.
2726 % Need these in case \tex is in effect and \{ is a \delimiter again.
2812 % Take care of the plain tex special European modified letters.
3147 % the manmac.tex format used to print the TeXbook itself.
3163     % runs and this will be a no-op.  See the indexspread.tex test case.
4067 % @tex ... @end tex    escapes into raw Tex temporarily.
4068 % One exception: @ is still an escape character, so that @end tex works.
4069 % But \@ or @@ will get a plain tex @ character.
4071 \def\tex{\begingroup
5700 % Don't bother with the trickery in plain.tex to not require the
5794 % @image.  We use the macros from epsf.tex to support this.
5795 % If epsf.tex is not installed and @image is used, we complain.
5797 % Check for and read epsf.tex up front.  If we read it only at @image
5800 \openin 1 = epsf.tex
5803   % Do not bother showing banner with post-v2.7 epsf.tex (available in
5804   % doc/epsf.tex until it shows up on ctan).
5806   \input epsf.tex
5809 % We will only complain once about lack of epsf.tex.
5811 \newhelp\noepsfhelp{epsf.tex must be installed for images to
5813   it from ftp://tug.org/tex/epsf.tex.}
5819       \errmessage{epsf.tex not found, images will be ignored}%
5869   \tex % read txi-??.tex file in plain TeX.
5871   \openin 1 txi-#1.tex
5874     \errmessage{Cannot read language file txi-#1.tex}%
5877     \def\temp{\input txi-#1.tex }%