cxxfilt/texinfo/texinfo.tex

3 % Load plain if necessary, i.e., if running under initex.
37 % of date, so if that's what you're using, please check.
107 % messages, but if we're using an old version of TeX, don't do anything.
115 % Set up fixed words for English if not already set.
198 % surround any changed text.  This approach does *not* work if the
304     \normalturnoffactive  % \ in index entries must not stay \, e.g., if
332         % Only leave this space if the footline is nonempty.
534   \if 1\csname iscond.#1\endcsname
632  % if the definition is written into an index file.
672 % threshold for doing this is if the group is more than \vfilllimit
709   % if the group doesn't fit on the current page, and it's a big big
729 % forces a page break if there is not space-in-mils remaining.
736 %% if the depth of the box does not fit.
758     % TeX does not even consider page breaks if a penalty added to the
759     % main vertical list is 10000 or more.  But in order to see if the
765     % page at this \penalty, if there are no other feasible breakpoints in
769     % example where a page broke at this \penalty; if it happens in a real
816     % if you have multiple lines of stuff to put here, you'll need to
830 % (if RIGHT-TEXT is given, use TEXT for left page, RIGHT-TEXT for right;
1024 % @math outputs its argument in math mode.
1027 % an actual _ character, as in @math{@var{some_variable} + 1}.  So make
1028 % _ active, and distinguish by seeing if the current family is \slfam,
1045 \def\math{%
1054 % Some active characters (such as <) are spaced differently in math.
1055 % We have to reset their definitions in case the @math was an argument
1071 % @bullet and @minus need the same treatment as @math, just above.
1215   % text, which might be empty if this toc entry had no
1219     % Generate a link to the node text if that exists; else, use the
1405 % We don't need math for this font style.
1478 % A few fonts for @defun names and args.
1570 % In order for the font changes to affect most math symbols and letters,
1584 % current \fam for math mode.  Our \STYLE (e.g., \rm) commands hardwire
1797   % this is all so @math{@code{var_name}+1} can work.  In math mode, _
1809 % @kbd is like @code, except that if the argument is just one @key command,
1891 % Check if we are currently using a typewriter font.  Since all the
1948 % Do an implicit @contents or @shortcontents after @end titlepage if the
1992   % Need this before the \...aftertitlepage checks so that if they are
2172 % Only define if not already defined, in case a txi-??.tex file has set
2225   % line.  We do not start a paragraph here because then if the next
2245     % \baselineskip glue.)  However, if what follows is an environment
2259     % following text (if any) will end up on the same line.
2261     % Do this with kerns and \unhbox so that if there is a footnote in
2378   % Detect if the argument is a single token.  If so, it might be a
2410 % An @enumerate whose labels are integers.  The starting integer is
2494 % if they are.
2631   % continue for many paragraphs if desired.
2683 \def\setmultitablespacing{% test to see if user has set \multitablelinespace.
2696 %% Test to see if parskip is larger than space between lines of
2820 % own to delimit the rest of the line, and then take it out again if we
2859     % ..., but we might end up with active ones in the argument if
2868 % The command has to be fully expandable (if the variable is set), since
2869 % the result winds up in the index file.  This means that if the
2906 % above code: if the variable is not set, do nothing, if it is set,
2965 % Do this instead of @defindex foo if you don't want it as a separate index.
2976   % Only do \closeout if we haven't already done it, else we'll end up
3182     \definedummyword{math}%
3264 % empty if called from \doind, as we usually are (the main exception
3292   % Put the index entry in the margin if desired.
3336 % But don't do any of this if we're not in vertical mode.  We
3373     % if \lastskip was zero, perhaps the last item was a
3385     % On the other hand, if we had a nonzero \lastskip,
3434   % See if the index file exists and is nonempty.
3435   % Change catcode of @ here so that if the index file contains
3442     % \enddoublecolumns gets confused if there is no text in the index,
3451     % it can discover if there is anything in it.
3512     % Start a new paragraph if necessary, so our assignments below can't
3556     % The following is kludged to not output a line of dots in the index if
3569       % fill leaders glue in \indexdotfill if the page number does fit.)
3620     % Here is a possibility not foreseen in manmac: if we accumulate a
3709     % called on to balance too much material, but if it is, this makes
3826 % #1 is heading level if unmodified by @raisesections or @lowersections
3931   % argument to \message.  Therefore, if #1 contained @-commands, TeX
4049 %       3) Likewise, headings look best if no \parindent is used, and
4050 %          if justification is not attempted.  Hence \raggedright.
4085 % Parameter controlling skip before chapter headings (if needed)
4139     % Only insert the separating space if we have a chapter/appendix
4254     % Only insert the space after the number if we have a section number.
4287           \hangindent=\wd0  % zero if no section number
4294   % Do not let the kern be a potential breakpoint, as it would be if it
4317 % Write an entry to the toc file, opening it if necessary.
4321 % We append the current node name (if any) and page number as additional
4328 % But if #1 is `omit', then we don't do anything.  This is used for the
4351   % Tell \shipout to create a pdf destination on each page, if we're
4516 % if at all possible; hence the \penalty.
4660       % it's not a good place to break if the last penalty was \nobreak
5049 % then it can also check if \lastpenalty=1.  If it does, then manually
5097     % header.  But if there's nothing but headers, we need to allow a
5118   % As above, allow line break if we have multiple x headers in a row.
5171 %%% Untyped functions:
5173 % @deffn category name args
5176 % @deffn category class name args
5179 % \defopon {category on}class name args
5182 % \deffngeneral {subind}category name args
5190 %%% Typed functions:
5192 % @deftypefn category type name args
5195 % @deftypeop category class type name args
5198 % \deftypeopon {category on}class type name args
5201 % \deftypefngeneral {subind}category type name args
5210 % @deftypevr category type var args
5213 % @deftypecv category class type var args
5216 % \deftypecvof {category of}class type var args
5219 % \deftypecvgeneral {subind}category type var args
5228 % @defvr category var args
5231 % @defcv category class var args
5234 % \defcvof {category of}class var args
5238 % @deftp category name args
5257 % \defname, which formats the name of the @def (not the args).
5259 % #2 is the return type, if any.
5262 % We are followed by (but not passed) the arguments, if any.
5275   % The first line needs space for \box0; but if \rightskip is nonzero,
5312   % arguments will be output next, if any.
5325   % On the other hand, if an argument has two dashes (for instance), we
5344 % if the fn name has parens in it, \boldbrax will not be in effect yet,
5580 % This makes use of the obscure feature that if the last token of a
5604   \if#1;\let\next=\relax
5686 % {.  If so it reads up to the closing }, if not, it reads the whole
5719 \newif\ifhavexrefs    % True if xref values are known.
5720 \newif\ifwarnedxrefs  % True if we warned once that they aren't known.
5804       % the square brackets.  Use the real section title if we have it.
5810           % We know the real title if we have the xref values.
5857     % if the user also gave the printed manual name (fifth arg), append
5870     % is as if TeX is seeing it for the first time.
5880        % Only output a following space if the -snt ref is nonempty; for
5965 % collisions).  But if this is a float type, we have more work to do.
5990 % Read the last existing aux file, if any.  No error if none exists.
6039   % \def\auxhat{\def^{'hat }}% extra space so ok if followed by letter
6094 % pagealignmacro call if that space before the closing brace is
6131   % We want to typeset this text as a normal paragraph, even if the
6169 % Similarily, if a @footnote appears inside an alignment, save the footnote
6343       % Table 1, Figure 2, ...).  (And if no label, no number.)
6363     % Don't suppress indentation if a float happens to start a section.
6380     % In all cases, if we have a float type, it comes first.
6385       \ifx\floattype\empty \else % if also had float type, need tie first.
6417       % caption if specified, else the full caption if specified, else nothing.
6431     % Space below caption, if we printed anything.
6453 % going to use.  Create it if it doesn't exist and assign it to \floatno.
6477 % which is true if #1 represents a float ref.  That is, the magic
6506       % if the user said @listoffloats foo but never @float foo.
6545 % It would be nice if we could set up a hyphenation file here.
6549     % Read the file if it exists.
6562 should work if nowhere else does.}
6588 % Use TeX 3.0's \emergencystretch to help line breaking, but if we're
6791 % #1 is what to print if we are indeed using \tt; #2 is what to print
6805 % (and those which the user can use as if they were ordinary).
6807 % use math or other variants that look better in normal text.