bc/doc/texinfo.tex

40 % Texinfo has a small home page at http://texinfo.org/.
53 %   dvips foo.dvi -o # or whatever, to process the dvi file; this makes foo.ps.
109 \ifx\putwordpage\undefined      \gdef\putwordpage{page}\fi
215                    % the page break happens to be in the middle of an example.
231           \hfil % center the page within the outer (page) hsize.
262       \egroup % \vbox from first cropmarks clause
520 % @group ... @end group forces ... to be all on one page, by enclosing
524 % max (\topskip - \ht (first item), 0).  If that height is large,
548     % and the first line afterwards is too small.  But we can't put the
586 % forces a page break if there is not space-in-mils remaining.
594 %% This method tries to make TeX break the page naturally
614     % And a page break here is fine.
617     % TeX does not even consider page breaks if a penalty added to the
619     % empty box we just added fits on the page, we must make it consider
620     % page breaks.  On the other hand, we don't want to actually break the
621     % page after the empty box.  So we use a penalty of 9999.
624     % page at this \penalty, if there are no other feasible breakpoints in
626     % almost-but-not-quite fill up a page, TeX will have a hard time doing
627     % good page breaking, for example.)  However, I could not construct an
628     % example where a page broke at this \penalty; if it happens in a real
632     % Back up by the size of the box, whether we did a page break or not.
635     % Do not allow a page break right after this kern.
670 % @page    forces the start of a new page
672 \def\page{\par\vfill\supereject}
675 % outputs text on separate line in roman font, starting at standard page margin
964       \def\first{#1}
969   \def\ppnn{\pgn=\first}
997   \def\poptoks#1#2|ENDTOKS|{\let\first=#1\toksD={#1}\toksA={#2}}
1006       \ifx\first.\let\next=\done\else
1009         \ifx\first,\addtokens{\toksB}{\space}\fi
1104 % Fonts for title page:
1452 \message{page headings,}
1457 % First the title page.  Must do @settitle before @titlepage.
1471         \endgroup\page\hbox{}\page}
1479    % Leave some space at the very top of the page.
1485                     % print a rule at the page bottom also.
1488    % No rule at page bottom unless we print one at the top with @title.
1502    \let\oldpage = \page
1503    \def\page{%
1508       \let\page = \oldpage
1510 %   \def\page{\oldpage \hbox{}}
1517    % It is important to do the page break before ending the group,
1519    % If we use the new definition of \page, we always get a blank page
1520    % after the title page, which we certainly don't want.
1549 %%% Set up page headings and footings.
1614 % @headings after       turns on double-sided headings after this page.
1615 % @headings doubleafter turns on double-sided headings after this page.
1616 % @headings singleafter turns on single-sided headings after this page.
1626 % When we turn headings on, set the page number to 1.
1629 % title on inside top of left hand pages, and page numbers on outside top
1641 % For single-sided printing, chapter title goes across top left of page,
1642 % page number on top right.
1735   % by itself, and do not allow a page break either before or after that
1754     % Stop a page break at the \parskip glue coming up.  Unfortunately
1755     % we can't prevent a possible page break at the following
1868 % \splitoff TOKENS\endmark defines \first to be the first token in
1871 \def\splitoff#1#2\endmark{\def\first{#1}\def\rest{#2}}%
1874 % or number, to specify the first label in the enumerated list.  No
1890   % all -- the first parameter is undelimited.)
1952 % Call itemizey, adding a period to the first argument and supplying the
1986 % or in percent of \hsize, the current width of text on page.
2027 %   @item first col stuff @tab second col stuff @tab third col
2029 %   first col stuff
2034 %   @item first col stuff @tab second col stuff
2136   % Maybe so, but it also creates really weird page breaks when the table
2150   % the first one.
2163     % The first column will be indented with the surrounding text.
2381   % page 401 of the TeXbook: make the current font be a dummy font.
2527 % following, through the first @end iftex (etc.).  Make `@end iftex'
2805 % We must first make another character (@) an escape
2887         % Avoid page breaks due to these extra skips, too.
2907 %  \entry {sortstring}{page}{topic}
2909 %  \entry {sortstring}{page}{topic}{subtopic}
2913 %     before the first topic whose initial is c
2952   % as its first line, TeX doesn't complain about mismatched braces
3031   % \hangindent is only relevant when the entry text and page number
3041   % When the entry text needs to be broken, just fill out the first line
3055   % there are no page numbers.  The next person who breaks this will be
3063     % If we must, put the page number on a line of its own, and fill out
3065     % fill leaders glue in \indexdotfill if the page number does fit.)
3067     \null\nobreak\indexdotfill % Have leaders before the page number.
3073       \pdfgettoks#2.\ \the\toksA % The page number ends the paragraph.
3075       \ #2% The page number ends the paragraph.
3096 % Adapted from the TeXbook, page 416, which is to say,
3119       % Unvbox the main output page.
3129   % Change the page size parameters.  We could do this once outside this
3162   % (undoubled) page height minus any material left over from the
3163   % previous page.
3174   % Re-output the contents of the output page -- any previous material,
3185     % current page, no automatic page break.
3188     % If we end up splitting too much material for the current page,
3189     % though, there will be another page break right after this \output
3201   % the current page.  We're now back to normal single-column
3283 % page headings and footings can use it.  @section does likewise.
3618 %%% Define plain chapter starts, and page on/off switching for it
3665   \nobreak\bigskip % no page break after a chapter title
3781    % start on an odd page, unlike chapters.  Thus, we maintain
3799       % Roman numerals for page numbers.
3826       % We want a true roman here for the page numbers.
3856 % The first argument is the chapter or section name.
3857 % The last argument is the page number.
3914 % page number.
3947   \vskip 0pt plus1pt % allow a little stretch for the sake of nice page breaks
4179 % To end an @example-like environment, we first end the paragraph (via
4368 \dimen0=\hsize \advance \dimen0 by -\wd0 % compute size for first line
4543 % Split up #2 at the first space token.
4545 %  the first is all of #2 before the space token,
4547 % If #2 contains no space token, all of it is passed as the first arg
5191 % first place, but there's so many layers that that is hard to do.
5243   % is as if TeX is seeing it for the first time.
5273     % page 3
5293 % \internalsetq {foo}{page} expands into
5405   % b-title}{'hat b} and \xrdef does a \csname...\endcsname on the first
5437   % For example, 'xrdef {$\leq $-fun}{page ...} made by @defun ^^
5748   % If page is nothing but text, make it come out even.
5962 % the first `\{ in the file would cause an error. This macro tries to fix
5963 % that, assuming it is called before the first `\' could plausibly occur.
5988 @c page-delimiter: "^\\\\message"