% Load plain if necessary, i.e., if running under initex.
\expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
%
-\def\texinfoversion{2013-09-11.11}
+\def\texinfoversion{2014-01-16.10}
%
-% Copyright 1985-1986, 1988, 1990-2014 Free Software Foundation, Inc.
+% Copyright 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995,
+% 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
+% 2007, 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation, Inc.
%
% This texinfo.tex file is free software: you can redistribute it and/or
% modify it under the terms of the GNU General Public License as
\ifpdf
%
- % Color manipulation macros based on pdfcolor.tex,
+ % Color manipulation macros using ideas from pdfcolor.tex,
% except using rgb instead of cmyk; the latter is said to render as a
% very dark gray on-screen and a very dark halftone in print, instead
- % of actual black.
+ % of actual black. The dark red here is dark enough to print on paper as
+ % nearly black, but still distinguishable for online viewing. We use
+ % black by default, though.
\def\rgbDarkRed{0.50 0.09 0.12}
\def\rgbBlack{0 0 0}
%
% used to mark target names; must be expandable.
\def\pdfmkpgn#1{#1}
%
- % by default, use a color that is dark enough to print on paper as
- % nearly black, but still distinguishable for online viewing.
- \def\urlcolor{\rgbDarkRed}
- \def\linkcolor{\rgbDarkRed}
+ % by default, use black for everything.
+ \def\urlcolor{\rgbBlack}
+ \def\linkcolor{\rgbBlack}
\def\endlink{\setcolor{\maincolor}\pdfendlink}
%
% Adding outlines to PDF; macros for calculating structure of outlines
\let\file=\code
\let\option=\code
-% @uref (abbreviation for `urlref') takes an optional (comma-separated)
-% second argument specifying the text to display and an optional third
-% arg as text to display instead of (rather than in addition to) the url
-% itself. First (mandatory) arg is the url.
-% (This \urefnobreak definition isn't used now, leaving it for a while
-% for comparison.)
-\def\urefnobreak#1{\dourefnobreak #1,,,\finish}
-\def\dourefnobreak#1,#2,#3,#4\finish{\begingroup
- \unsepspaces
- \pdfurl{#1}%
- \setbox0 = \hbox{\ignorespaces #3}%
- \ifdim\wd0 > 0pt
- \unhbox0 % third arg given, show only that
- \else
- \setbox0 = \hbox{\ignorespaces #2}%
- \ifdim\wd0 > 0pt
- \ifpdf
- \unhbox0 % PDF: 2nd arg given, show only it
- \else
- \unhbox0\ (\code{#1})% DVI: 2nd arg given, show both it and url
- \fi
- \else
- \code{#1}% only url given, so show it
- \fi
- \fi
- \endlink
-\endgroup}
+% @uref (abbreviation for `urlref') aka @url takes an optional
+% (comma-separated) second argument specifying the text to display and
+% an optional third arg as text to display instead of (rather than in
+% addition to) the url itself. First (mandatory) arg is the url.
-% This \urefbreak definition is the active one.
+% TeX-only option to allow changing PDF output to show only the second
+% arg (if given), and not the url (which is then just the link target).
+\newif\ifurefurlonlylink
+
+% The main macro is \urefbreak, which allows breaking at expected
+% places within the url. (There used to be another version, which
+% didn't support automatic breaking.)
\def\urefbreak{\begingroup \urefcatcodes \dourefbreak}
\let\uref=\urefbreak
+%
\def\dourefbreak#1{\urefbreakfinish #1,,,\finish}
\def\urefbreakfinish#1,#2,#3,#4\finish{% doesn't work in @example
\unsepspaces
\ifdim\wd0 > 0pt
\unhbox0 % third arg given, show only that
\else
- \setbox0 = \hbox{\ignorespaces #2}%
+ \setbox0 = \hbox{\ignorespaces #2}% look for second arg
\ifdim\wd0 > 0pt
\ifpdf
- \unhbox0 % PDF: 2nd arg given, show only it
+ \ifurefurlonlylink
+ % PDF plus option to not display url, show just arg
+ \unhbox0
+ \else
+ % PDF, normally display both arg and url for consistency,
+ % visibility, if the pdf is eventually used to print, etc.
+ \unhbox0\ (\urefcode{#1})%
+ \fi
\else
- \unhbox0\ (\urefcode{#1})% DVI: 2nd arg given, show both it and url
+ \unhbox0\ (\urefcode{#1})% DVI, always show arg and url
\fi
\else
\urefcode{#1}% only url given, so show it
\parskip=\smallskipamount
\ifdim\parskip=0pt \parskip=2pt \fi
%
- % Try typesetting the item mark that if the document erroneously says
+ % Try typesetting the item mark so that if the document erroneously says
% something like @itemize @samp (intending @table), there's an error
% right away at the @itemize. It's not the best error message in the
% world, but it's better than leaving it to the @item. This means if
\gdef\footnote{%
\let\indent=\ptexindent
\let\noindent=\ptexnoindent
+ %
\global\advance\footnoteno by \@ne
\edef\thisfootno{$^{\the\footnoteno}$}%
%
%
\gdef\dofootnote{%
\insert\footins\bgroup
+ %
+ % Nested footnotes are not supported in TeX, that would take a lot
+ % more work. (\startsavinginserts does not suffice.)
+ \let\footnote=\errfootnote
+ %
% We want to typeset this text as a normal paragraph, even if the
% footnote reference occurs in (for example) a display environment.
% So reset some parameters.
}
}%end \catcode `\@=11
+\def\errfootnote{%
+ \errhelp=\EMsimple
+ \errmessage{Nested footnotes not supported in texinfo.tex,
+ even though they work in makeinfo; sorry}
+}
+
% In case a @footnote appears in a vbox, save the footnote text and create
% the real \insert just after the vbox finished. Otherwise, the insertion
% would be lost.
% Similarly, if a @footnote appears inside an alignment, save the footnote
% text to a box and make the \insert when a row of the table is finished.
% And the same can be done for other insert classes. --kasal, 16nov03.
-
+%
% Replace the \insert primitive by a cheating macro.
% Deeper inside, just make sure that the saved insertions are not spilled
% out prematurely.