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(\centerchfplain): Rewrite to use \chfplain, and to

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actually center.
	(\unnchfplain): Just call \chfplain.
	(\chfplain): Rewrite to be generally callable.
	(\centerparametersmaybe): Hook, a no-op except with @centerchap.
This commit is contained in:
Karl Berry 1996-09-02 15:14:43 +00:00
parent 4e361d0f01
commit b4db97478e
1 changed files with 24 additions and 19 deletions
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43
texinfo.tex
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@ -2943,33 +2943,35 @@ width0pt\relax} \fi
\global\let\unnumbchapmacro=\unnchfplain
\global\let\centerchapmacro=\centerchfplain}
% #1 is the text, #2 the chapter number.
\def\chfplain #1#2{%
% Plain chapter opening.
% #1 is the text, #2 the chapter number or empty if unnumbered.
\def\chfplain#1#2{%
\pchapsepmacro
{%
\chapfonts \rm
\setbox0 = \hbox{#2\enspace}%
\def\chapnum{#2}%
\setbox0 = \hbox{#2\ifx\chapnum\empty\else\enspace\fi}%
\vbox{\hyphenpenalty=10000 \tolerance=5000 \parindent=0pt \raggedright
\hangindent = \wd0
\unhbox0 #1}%
\hangindent = \wd0 \centerparametersmaybe
\unhbox0 #1\par}%
}%
\nobreak\bigskip % no page break after a chapter title
\nobreak
}
\def\unnchfplain #1{%
\pchapsepmacro %
{\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
\parindent=0pt\raggedright
\rm #1\hfill}}\bigskip \par\penalty 10000 %
}
% Plain opening for unnumbered.
\def\unnchfplain#1{\chfplain{#1}{}}
\def\centerchfplain #1{%
\pchapsepmacro %
{\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
\parindent=0pt
{\rm #1}\hfill}}\bigskip \par\penalty 10000 %
}
% @centerchap -- centered and unnumbered.
\let\centerparametersmaybe = \relax
\def\centerchfplain#1{{%
\def\centerparametersmaybe{%
\advance\rightskip by 3\rightskip
\leftskip = \rightskip
\parfillskip = 0pt
}%
\chfplain{#1}{}%
}}
\CHAPFplain % The default
@ -3025,10 +3027,13 @@ width0pt\relax} \fi
\csname #1headingbreak\endcsname
}%
{%
% Switch to the right set of fonts.
\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}%
\def\secnum{#2}%
\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}%