diff options
Diffstat (limited to 'texinfo.tex')
| -rw-r--r-- | texinfo.tex | 102 |
1 files changed, 52 insertions, 50 deletions
diff --git a/texinfo.tex b/texinfo.tex index f56f966..d5ef471 100644 --- a/texinfo.tex +++ b/texinfo.tex @@ -592,6 +592,9 @@ where each line of input produces a line of output.} \let\c=\comment +% @paragraphindent is defined for the Info formatting commands only. +\let\paragraphindent=\comment + % Prevent errors for section commands. % Used in @ignore and in failing conditionals. \def\ignoresections{% @@ -1028,7 +1031,7 @@ where each line of input produces a line of output.} \setfont\deftt\ttshape{10}{\magstep1} \def\df{\let\tentt=\deftt \let\tenbf = \defbf \bf} -% Fonts for indices and small examples. +% Fonts for indices and small examples (9pt). % We actually use the slanted font rather than the italic, % because texinfo normally uses the slanted fonts for that. % Do not make many font distinctions in general in the index, since they @@ -1045,7 +1048,7 @@ where each line of input produces a line of output.} \font\indi=cmmi9 \font\indsy=cmsy9 -% Fonts for headings +% Chapter (and unnumbered) fonts (17.28pt). \setfont\chaprm\rmbshape{12}{\magstep2} \setfont\chapit\itbshape{10}{\magstep3} \setfont\chapsl\slbshape{10}{\magstep3} @@ -1057,6 +1060,7 @@ where each line of input produces a line of output.} \font\chapi=cmmi12 scaled \magstep2 \font\chapsy=cmsy10 scaled \magstep3 +% Section fonts (14.4pt). \setfont\secrm\rmbshape{12}{\magstep1} \setfont\secit\itbshape{10}{\magstep2} \setfont\secsl\slbshape{10}{\magstep2} @@ -1082,6 +1086,7 @@ where each line of input produces a line of output.} %\let\ssecbf=\ssecrm +% Subsection fonts (13.15pt). \setfont\ssecrm\rmbshape{12}{\magstephalf} \setfont\ssecit\itbshape{10}{1315} \setfont\ssecsl\slbshape{10}{1315} @@ -1127,22 +1132,23 @@ where each line of input produces a line of output.} \let\tenrm=\chaprm \let\tenit=\chapit \let\tensl=\chapsl \let\tenbf=\chapbf \let\tentt=\chaptt \let\smallcaps=\chapsc \let\tensf=\chapsf \let\teni=\chapi \let\tensy=\chapsy \let\tenttsl=\chapttsl - \resetmathfonts} + \resetmathfonts \setleading{19pt}} \def\secfonts{% \let\tenrm=\secrm \let\tenit=\secit \let\tensl=\secsl \let\tenbf=\secbf \let\tentt=\sectt \let\smallcaps=\secsc \let\tensf=\secsf \let\teni=\seci \let\tensy=\secsy \let\tenttsl=\secttsl - \resetmathfonts} + \resetmathfonts \setleading{16pt}} \def\subsecfonts{% \let\tenrm=\ssecrm \let\tenit=\ssecit \let\tensl=\ssecsl \let\tenbf=\ssecbf \let\tentt=\ssectt \let\smallcaps=\ssecsc \let\tensf=\ssecsf \let\teni=\sseci \let\tensy=\ssecsy \let\tenttsl=\ssecttsl - \resetmathfonts} + \resetmathfonts \setleading{15pt}} +\let\subsubsecfonts = \subsecfonts % Maybe make sssec fonts scaled magstephalf? \def\indexfonts{% \let\tenrm=\indrm \let\tenit=\indit \let\tensl=\indsl \let\tenbf=\indbf \let\tentt=\indtt \let\smallcaps=\indsc \let\tensf=\indsf \let\teni=\indi \let\tensy=\indsy \let\tenttsl=\indttsl - \resetmathfonts} + \resetmathfonts \setleading{10pt}} % Set up the default fonts, so we can use them for creating boxes. % @@ -2932,15 +2938,18 @@ width0pt\relax} \fi \global\let\unnumbchapmacro=\unnchfplain \global\let\centerchapmacro=\centerchfplain} +% #1 is the text, #2 the chapter number. \def\chfplain #1#2{% \pchapsepmacro {% - \chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000 - \parindent=0pt\raggedright - \rm #2\enspace #1}% + \chapfonts \rm + \setbox0 = \hbox{#2\enspace}% + \vbox{\hyphenpenalty=10000 \tolerance=5000 \parindent=0pt \raggedright + \hangindent = \wd0 + \unhbox0 #1}% }% - \bigskip - \penalty5000 + \nobreak\bigskip % no page break after a chapter title + \nobreak } \def\unnchfplain #1{% @@ -2981,51 +2990,44 @@ width0pt\relax} \fi \global\let\unnumbchapmacro=\unnchfopen \global\let\centerchapmacro=\centerchfopen} -% Parameter controlling skip before section headings. +% Section titles. +\newskip \secheadingskip \secheadingskip = 21pt plus 8pt minus 4pt +\def\secheadingbreak{\dobreak \secheadingskip {-1000}} +\def\secheading#1#2#3{\sectionheading{sec}{#2.#3}{#1}} +\def\plainsecheading#1{\sectionheading{sec}{}{#1}} + +% Subsection titles. \newskip \subsecheadingskip \subsecheadingskip = 17pt plus 8pt minus 4pt \def\subsecheadingbreak{\dobreak \subsecheadingskip {-500}} +\def\subsecheading#1#2#3#4{\sectionheading{subsec}{#2.#3.#4}{#1}} -\newskip \secheadingskip \secheadingskip = 21pt plus 8pt minus 4pt -\def\secheadingbreak{\dobreak \secheadingskip {-1000}} +% Subsubsection titles. +\let\subsubsecheadingskip = \subsecheadingskip +\let\subsubsecheadingbreak = \subsecheadingbreak +\def\subsubsecheading#1#2#3#4#5{\sectionheading{subsubsec}{#2.#3.#4.#5}{#1}} -% @paragraphindent is defined for the Info formatting commands only. -\let\paragraphindent=\comment -% Section fonts are the base font at magstep2, which produces -% a size a bit more than 14 points in the default situation. - -\def\secheading #1#2#3{\secheadingi {#2.#3\enspace #1}} -\def\plainsecheading #1{\secheadingi {#1}} -\def\secheadingi #1{{\advance \secheadingskip by \parskip % -\secheadingbreak}% -{\secfonts \vbox{\hyphenpenalty=10000\tolerance=5000 - \parindent=0pt\raggedright - \rm #1\hfill}}% -\ifdim \parskip<10pt \kern 10pt\kern -\parskip\fi \penalty 10000 } - - -% Subsection fonts are the base font at magstep1, -% which produces a size of 12 points. - -\def\subsecheading #1#2#3#4{\subsecheadingi {#2.#3.#4\enspace #1}} -\def\subsecheadingi #1{{\advance \subsecheadingskip by \parskip % -\subsecheadingbreak}% -{\subsecfonts \vbox{\hyphenpenalty=10000\tolerance=5000 - \parindent=0pt\raggedright - \rm #1\hfill}}% -\ifdim \parskip<10pt \kern 10pt\kern -\parskip\fi \penalty 10000 } - -\def\subsubsecfonts{\subsecfonts} % Maybe this should change: - % Perhaps make sssec fonts scaled - % magstep half -\def\subsubsecheading #1#2#3#4#5{\subsubsecheadingi {#2.#3.#4.#5\enspace #1}} -\def\subsubsecheadingi #1{{\advance \subsecheadingskip by \parskip % -\subsecheadingbreak}% -{\subsubsecfonts \vbox{\hyphenpenalty=10000\tolerance=5000 - \parindent=0pt\raggedright - \rm #1\hfill}}% -\ifdim \parskip<10pt \kern 10pt\kern -\parskip\fi \penalty 10000} +% Print any size section title. +% +% #1 is the section type (sec/subsec/subsubsec), #2 is the section +% number (maybe empty), #3 the text. +\def\sectionheading#1#2#3{% + {% + \expandafter\advance\csname #1headingskip\endcsname by \parskip + \csname #1headingbreak\endcsname + }% + {% + \csname #1fonts\endcsname \rm + \def\secnum{#2}% + % Only insert the separating space if we have a section number. + \setbox0 = \hbox{#2\ifx\secnum\empty\else \enspace \fi}% + \vbox{\hyphenpenalty=10000 \tolerance=5000 \parindent=0pt \raggedright + \hangindent = \wd0 % zero if no section number + \unhbox0 #3}% + }% + \ifdim\parskip<10pt \nobreak\kern10pt\nobreak\kern-\parskip\fi \nobreak +} \message{toc printing,} |