groff/doc/texinfo.tex

33 %   http://www.gnu.org/software/texinfo/ (the Texinfo home page), or
34 %   ftp://tug.org/tex/texinfo.tex
35 %     (and all CTAN mirrors, see http://www.ctan.org).
39 % Send bug reports to bug-texinfo@gnu.org.  Please include including a
59 % The GNU Texinfo home page is http://www.gnu.org/software/texinfo.
615 % latex.ltx, since we use a different font for the raised A; it's most
616 % convenient for us to use an explicitly smaller font, rather than using
617 % the \scriptstyle font (since we don't reset \scriptstyle and
793 % outputs text on separate line in roman font, starting at standard page margin
938 \def\asisword{asis} % no translation, these are keywords
1078 % @dots{} outputs an ellipsis using the current font.
1080 % font as three actual period characters.
1394 % Change the current font style to #1, remembering it in \curfontstyle.
1395 % For now, we do not accumulate font styles: @b{@i{foo}} prints foo in
1400   \csname ten#1\endcsname  % change the current font
1413 % Texinfo sort of supports the sans serif font style, which plain TeX does not.
1419 % We don't need math for this font style.
1443 % Set the font macro #1 to the font named #2, adding on the
1444 % specified font prefix (normally `cm').
1445 % #3 is the font's design size, #4 is a scale factor
1446 \def\setfont#1#2#3#4{\font#1=\fontprefix#2#3 scaled #4}
1448 % Use cm as the default font prefix.
1449 % To specify the font prefix, you must define \fontprefix
1454 % Support font families that don't use the same naming scheme as CM.
1482 \font\texti=cmmi10 scaled \mainmagstep
1483 \font\textsy=cmsy10 scaled \mainmagstep
1501 \font\smalli=cmmi9
1502 \font\smallsy=cmsy9
1514 \font\smalleri=cmmi8
1515 \font\smallersy=cmsy8
1527 \font\titlei=cmmi12 scaled \magstep3
1528 \font\titlesy=cmsy10 scaled \magstep4
1542 \font\chapi=cmmi12 scaled \magstep2
1543 \font\chapsy=cmsy10 scaled \magstep3
1555 \font\seci=cmmi12 scaled \magstep1
1556 \font\secsy=cmsy10 scaled \magstep2
1568 \font\sseci=cmmi12 scaled \magstephalf
1569 \font\ssecsy=cmsy10 scaled 1315
1581 \font\reducedi=cmmi10
1582 \font\reducedsy=cmsy10
1584 % In order for the font changes to affect most math symbols and letters,
1596 % The font-changing commands redefine the meanings of \tenSTYLE, instead
1599 % \tenSTYLE to set the current font.
1601 % Each font-changing command also sets the names \lsize (one size lower)
1700 % Count depth in font-changes, for error checks
1709 %% Add scribe-like font environments, plus @l for inline lisp (usually sans
1744 \def\nohyphenation{\hyphenchar\font = -1  \aftergroup\restorehyphenation}
1745 \def\restorehyphenation{\hyphenchar\font = `- }
1764 \font\keysy=cmsy9
1783     % Change normal interword space to be same as for the current font.
1784     \spaceskip = \fontdimen2\font
1840 % @kbdinputstyle -- arg is `distinct' (@kbd uses slanted tty font always),
1842 %   or `code' (@kbd uses normal tty font always).
1923 % Check if we are currently using a typewriter font.  Since all the
1926 % this property, we can check that font parameter.
1928 \def\ifmonospace{\ifdim\fontdimen3\font=0pt }
1937 % @l was never documented to mean ``switch to the Lisp font'',
1942 % Explicit font changes: @r, @sc, undocumented @ii.
1943 \def\r#1{{\rm #1}}              % roman font
1944 \def\sc#1{{\smallcaps#1}}       % smallcaps font
1945 \def\ii#1{{\it #1}}             % italic font
1961 % No font change, but don't do end-of-sentence spacing.
1972 % @pounds{} is a sterling sign, which Knuth put in the CM italic font.
1976 % @euro{} comes from a separate font, depending on the current style.
1980 % It is available from http://www.ctan.org/tex-archive/fonts/eurosym.
1984 % font height.
2001   % We set the font at each command, rather than predefining it in
2002   % \textfonts and the other font-switching commands, so that
2004   % font installed.
2016     \font\thiseurofont = \ifusingit{feybo10}{feybr10} at \eurosize
2019     \font\thiseurofont = \ifusingit{feymo10}{feymr10} at \eurosize
2024 % @registeredsymbol - R in a circle.  The font for the R should really
2697 %					--karl, nathan@acm.org, 20apr99.
3279     % Texinfo font commands.
3331   % Likewise with the other plain tex font commands.
3429   % Process the index entry with all font commands turned off, to
3437   % the original text, including any font commands.  We write
3601   % Some minor font changes for the special characters.
4818 \font\circle=lcircle10
4934 % @lisp: indented, narrowed, typewriter font; @example: same as @lisp.
4946 % @display/@smalldisplay: same as @lisp except keep current font.
5023 % `@verbx...x' would look like the '@verbx' command.  --janneke@gnu.org
5041 % Disable Spanish ligatures ?` and !` of \tt font
5055   \tt  % easiest (and conventionally used) font for verbatim
5088   % Easiest (and conventionally used) font for verbatim
5162 % typesetting commands (@smallbook, font changes, etc.) have to be done
5418   \df \sl \hyphenchar\font=0
5424   \sl\hyphenchar\font=45
5460     % otherwise use the default font.
6381   it from ftp://tug.org/tex/epsf.tex.}
6940 \def\normaldollar{$}%$ font-lock fix
6949 % typewriter fonts to have this, we can check that font parameter.
6951 \def\ifusingtt#1#2{\ifdim \fontdimen3\font=0pt #1\else #2\fi}
6953 % Same as above, but check for italic font.  Actually this also catches
6957 \def\ifusingit#1#2{\ifdim \fontdimen1\font>0pt #1\else #2\fi}
6961 % Most of these we simply print from the \tt font, but for some, we can
6989 \def${\ifusingit{{\sl\$}}\normaldollar}%$ font-lock fix
6999 % \backslashcurfont outputs one backslash character in current font,
7015 % \normalbackslash outputs one backslash in fixed width font.
7032   @let$=@normaldollar %$ font-lock fix