(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

1 files changed, 2668 insertions, 2981 deletions

diff --git a/manual/texinfo.tex b/manual/texinfo.tex
index c93912a055..e9293f3b9d 100644
--- a/manual/texinfo.tex
+++ b/manual/texinfo.tex
@@ -3,11 +3,10 @@
 % Load plain if necessary, i.e., if running under initex.
 \expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
 %
-\def\texinfoversion{2004-11-25.16}
+\def\texinfoversion{2003-05-04.08}
 %
 % Copyright (C) 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995,
-% 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software
-% Foundation, Inc.
+% 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 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
@@ -24,16 +23,21 @@
 % to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 % Boston, MA 02111-1307, USA.
 %
-% As a special exception, when this file is read by TeX when processing
-% a Texinfo source document, you may use the result without
-% restriction.  (This has been our intent since Texinfo was invented.)
+% In other words, you are welcome to use, share and improve this program.
+% You are forbidden to forbid anyone else to use, share and improve
+% what you give them.   Help stamp out software-hoarding!
 %
 % Please try the latest version of texinfo.tex before submitting bug
 % reports; you can get the latest version from:
-%   http://www.gnu.org/software/texinfo/ (the Texinfo home page), or
+%   ftp://ftp.gnu.org/gnu/texinfo/texinfo.tex
+%     (and all GNU mirrors, see http://www.gnu.org/order/ftp.html)
 %   ftp://tug.org/tex/texinfo.tex
-%     (and all CTAN mirrors, see http://www.ctan.org).
-% The texinfo.tex in any given distribution could well be out
+%     (and all CTAN mirrors, see http://www.ctan.org),
+%   and /home/gd/gnu/doc/texinfo.tex on the GNU machines.
+%
+% The GNU Texinfo home page is http://www.gnu.org/software/texinfo.
+%
+% The texinfo.tex in any given Texinfo distribution could well be out
 % of date, so if that's what you're using, please check.
 %
 % Send bug reports to bug-texinfo@gnu.org.  Please include including a
@@ -55,9 +59,6 @@
 % It is possible to adapt texinfo.tex for other languages, to some
 % extent.  You can get the existing language-specific files from the
 % full Texinfo distribution.
-%
-% The GNU Texinfo home page is http://www.gnu.org/software/texinfo.
-
 
 \message{Loading texinfo [version \texinfoversion]:}
 
@@ -84,16 +85,12 @@
 \let\ptexend=\end
 \let\ptexequiv=\equiv
 \let\ptexexclam=\!
-\let\ptexfootnote=\footnote
 \let\ptexgtr=>
 \let\ptexhat=^
 \let\ptexi=\i
 \let\ptexindent=\indent
-\let\ptexinsert=\insert
 \let\ptexlbrace=\{
 \let\ptexless=<
-\let\ptexnewwrite\newwrite
-\let\ptexnoindent=\noindent
 \let\ptexplus=+
 \let\ptexrbrace=\}
 \let\ptexslash=\/
@@ -104,15 +101,6 @@
 % starts a new line in the output.
 \newlinechar = `^^J
 
-% Use TeX 3.0's \inputlineno to get the line number, for better error
-% messages, but if we're using an old version of TeX, don't do anything.
-%
-\ifx\inputlineno\thisisundefined
-  \let\linenumber = \empty % Pre-3.0.
-\else
-  \def\linenumber{l.\the\inputlineno:\space}
-\fi
-
 % Set up fixed words for English if not already set.
 \ifx\putwordAppendix\undefined  \gdef\putwordAppendix{Appendix}\fi
 \ifx\putwordChapter\undefined   \gdef\putwordChapter{Chapter}\fi
@@ -151,81 +139,43 @@
 \ifx\putwordDefspec\undefined   \gdef\putwordDefspec{Special Form}\fi
 \ifx\putwordDefvar\undefined    \gdef\putwordDefvar{Variable}\fi
 \ifx\putwordDefopt\undefined    \gdef\putwordDefopt{User Option}\fi
+\ifx\putwordDeftypevar\undefined\gdef\putwordDeftypevar{Variable}\fi
 \ifx\putwordDeffunc\undefined   \gdef\putwordDeffunc{Function}\fi
+\ifx\putwordDeftypefun\undefined\gdef\putwordDeftypefun{Function}\fi
 
 % In some macros, we cannot use the `\? notation---the left quote is
 % in some cases the escape char.
 \chardef\colonChar = `\:
 \chardef\commaChar = `\,
 \chardef\dotChar   = `\.
+\chardef\equalChar = `\=
 \chardef\exclamChar= `\!
 \chardef\questChar = `\?
 \chardef\semiChar  = `\;
-\chardef\underChar = `\_
-
 \chardef\spaceChar = `\ %
-\chardef\spacecat = 10
-\def\spaceisspace{\catcode\spaceChar=\spacecat}
+\chardef\underChar = `\_
 
 % Ignore a token.
 %
 \def\gobble#1{}
 
-% The following is used inside several \edef's.
-\def\makecsname#1{\expandafter\noexpand\csname#1\endcsname}
+% True if #1 is the empty string, i.e., called like `\ifempty{}'.
+%
+\def\ifempty#1{\ifemptyx #1\emptymarkA\emptymarkB}%
+\def\ifemptyx#1#2\emptymarkB{\ifx #1\emptymarkA}%
 
 % Hyphenation fixes.
-\hyphenation{
-  Flor-i-da Ghost-script Ghost-view Mac-OS Post-Script
-  ap-pen-dix bit-map bit-maps
-  data-base data-bases eshell fall-ing half-way long-est man-u-script
-  man-u-scripts mini-buf-fer mini-buf-fers over-view par-a-digm
-  par-a-digms rath-er rec-tan-gu-lar ro-bot-ics se-vere-ly set-up spa-ces
-  spell-ing spell-ings
-  stand-alone strong-est time-stamp time-stamps which-ever white-space
-  wide-spread wrap-around
-}
+\hyphenation{ap-pen-dix}
+\hyphenation{eshell}
+\hyphenation{mini-buf-fer mini-buf-fers}
+\hyphenation{time-stamp}
+\hyphenation{white-space}
 
 % Margin to add to right of even pages, to left of odd pages.
 \newdimen\bindingoffset
 \newdimen\normaloffset
 \newdimen\pagewidth \newdimen\pageheight
 
-% For a final copy, take out the rectangles
-% that mark overfull boxes (in case you have decided
-% that the text looks ok even though it passes the margin).
-%
-\def\finalout{\overfullrule=0pt}
-
-% @| inserts a changebar to the left of the current line.  It should
-% surround any changed text.  This approach does *not* work if the
-% change spans more than two lines of output.  To handle that, we would
-% have adopt a much more difficult approach (putting marks into the main
-% vertical list for the beginning and end of each change).
-%
-\def\|{%
-  % \vadjust can only be used in horizontal mode.
-  \leavevmode
-  %
-  % Append this vertical mode material after the current line in the output.
-  \vadjust{%
-    % We want to insert a rule with the height and depth of the current
-    % leading; that is exactly what \strutbox is supposed to record.
-    \vskip-\baselineskip
-    %
-    % \vadjust-items are inserted at the left edge of the type.  So
-    % the \llap here moves out into the left-hand margin.
-    \llap{%
-      %
-      % For a thicker or thinner bar, change the `1pt'.
-      \vrule height\baselineskip width1pt
-      %
-      % This is the space between the bar and the text.
-      \hskip 12pt
-    }%
-  }%
-}
-
 % Sometimes it is convenient to have everything in the transcript file
 % and nothing on the terminal.  We don't just call \tracingall here,
 % since that produces some useless output on the terminal.  We also make
@@ -250,7 +200,7 @@
     \tracingassigns1
   \fi
   \tracingcommands3  % 3 gives us more in etex
-  \errorcontextlines16
+  \errorcontextlines\maxdimen
 }%
 
 % add check for \lastpenalty to plain's definitions.  If the last thing
@@ -308,7 +258,7 @@
                    % the page break happens to be in the middle of an example.
     \shipout\vbox{%
       % Do this early so pdf references go to the beginning of the page.
-      \ifpdfmakepagedest \pdfdest name{\the\pageno} xyz\fi
+      \ifpdfmakepagedest \pdfmkdest{\the\pageno} \fi
       %
       \ifcropmarks \vbox to \outervsize\bgroup
         \hsize = \outerhsize
@@ -389,162 +339,132 @@
 % the input line (except we remove a trailing comment).  #1 should be a
 % macro which expects an ordinary undelimited TeX argument.
 %
-\def\parsearg{\parseargusing{}}
-\def\parseargusing#1#2{%
-  \def\next{#2}%
+\def\parsearg#1{%
+  \let\next = #1%
   \begingroup
     \obeylines
-    \spaceisspace
-    #1%
-    \parseargline\empty% Insert the \empty token, see \finishparsearg below.
+    \futurelet\temp\parseargx
+}
+
+% If the next token is an obeyed space (from an @example environment or
+% the like), remove it and recurse.  Otherwise, we're done.
+\def\parseargx{%
+  % \obeyedspace is defined far below, after the definition of \sepspaces.
+  \ifx\obeyedspace\temp
+    \expandafter\parseargdiscardspace
+  \else
+    \expandafter\parseargline
+  \fi
 }
 
+% Remove a single space (as the delimiter token to the macro call).
+{\obeyspaces %
+ \gdef\parseargdiscardspace {\futurelet\temp\parseargx}}
+
 {\obeylines %
   \gdef\parseargline#1^^M{%
     \endgroup % End of the group started in \parsearg.
-    \argremovecomment #1\comment\ArgTerm%
+    %
+    % First remove any @c comment, then any @comment.
+    % Result of each macro is put in \toks0.
+    \argremovec #1\c\relax %
+    \expandafter\argremovecomment \the\toks0 \comment\relax %
+    %
+    % Call the caller's macro, saved as \next in \parsearg.
+    \expandafter\next\expandafter{\the\toks0}%
   }%
 }
 
-% First remove any @comment, then any @c comment.
-\def\argremovecomment#1\comment#2\ArgTerm{\argremovec #1\c\ArgTerm}
-\def\argremovec#1\c#2\ArgTerm{\argcheckspaces#1\^^M\ArgTerm}
+% Since all \c{,omment} does is throw away the argument, we can let TeX
+% do that for us.  The \relax here is matched by the \relax in the call
+% in \parseargline; it could be more or less anything, its purpose is
+% just to delimit the argument to the \c.
+\def\argremovec#1\c#2\relax{\toks0 = {#1}}
+\def\argremovecomment#1\comment#2\relax{\toks0 = {#1}}
 
-% Each occurence of `\^^M' or `<space>\^^M' is replaced by a single space.
-%
-% \argremovec might leave us with trailing space, e.g.,
+% \argremovec{,omment} might leave us with trailing spaces, though; e.g.,
 %    @end itemize  @c foo
-% This space token undergoes the same procedure and is eventually removed
-% by \finishparsearg.
-%
-\def\argcheckspaces#1\^^M{\argcheckspacesX#1\^^M \^^M}
-\def\argcheckspacesX#1 \^^M{\argcheckspacesY#1\^^M}
-\def\argcheckspacesY#1\^^M#2\^^M#3\ArgTerm{%
-  \def\temp{#3}%
-  \ifx\temp\empty
-    % We cannot use \next here, as it holds the macro to run;
-    % thus we reuse \temp.
-    \let\temp\finishparsearg
-  \else
-    \let\temp\argcheckspaces
-  \fi
-  % Put the space token in:
-  \temp#1 #3\ArgTerm
+% will have two active spaces as part of the argument with the
+% `itemize'.  Here we remove all active spaces from #1, and assign the
+% result to \toks0.
+%
+% This loses if there are any *other* active characters besides spaces
+% in the argument -- _ ^ +, for example -- since they get expanded.
+% Fortunately, Texinfo does not define any such commands.  (If it ever
+% does, the catcode of the characters in questionwill have to be changed
+% here.)  But this means we cannot call \removeactivespaces as part of
+% \argremovec{,omment}, since @c uses \parsearg, and thus the argument
+% that \parsearg gets might well have any character at all in it.
+%
+\def\removeactivespaces#1{%
+  \begingroup
+    \ignoreactivespaces
+    \edef\temp{#1}%
+    \global\toks0 = \expandafter{\temp}%
+  \endgroup
 }
 
-% If a _delimited_ argument is enclosed in braces, they get stripped; so
-% to get _exactly_ the rest of the line, we had to prevent such situation.
-% We prepended an \empty token at the very beginning and we expand it now,
-% just before passing the control to \next.
-% (Similarily, we have to think about #3 of \argcheckspacesY above: it is
-% either the null string, or it ends with \^^M---thus there is no danger
-% that a pair of braces would be stripped.
+% Change the active space to expand to nothing.
 %
-% But first, we have to remove the trailing space token.
-%
-\def\finishparsearg#1 \ArgTerm{\expandafter\next\expandafter{#1}}
-
-% \parseargdef\foo{...}
-%	is roughly equivalent to
-% \def\foo{\parsearg\Xfoo}
-% \def\Xfoo#1{...}
-%
-% Actually, I use \csname\string\foo\endcsname, ie. \\foo, as it is my
-% favourite TeX trick.  --kasal, 16nov03
-
-\def\parseargdef#1{%
-  \expandafter \doparseargdef \csname\string#1\endcsname #1%
-}
-\def\doparseargdef#1#2{%
-  \def#2{\parsearg#1}%
-  \def#1##1%
-}
-
-% Several utility definitions with active space:
-{
+\begingroup
   \obeyspaces
-  \gdef\obeyedspace{ }
-
-  % Make each space character in the input produce a normal interword
-  % space in the output.  Don't allow a line break at this space, as this
-  % is used only in environments like @example, where each line of input
-  % should produce a line of output anyway.
-  %
-  \gdef\sepspaces{\obeyspaces\let =\tie}
-
-  % If an index command is used in an @example environment, any spaces
-  % therein should become regular spaces in the raw index file, not the
-  % expansion of \tie (\leavevmode \penalty \@M \ ).
-  \gdef\unsepspaces{\let =\space}
-}
+  \gdef\ignoreactivespaces{\obeyspaces\let =\empty}
+\endgroup
 
 
 \def\flushcr{\ifx\par\lisppar \def\next##1{}\else \let\next=\relax \fi \next}
 
-% Define the framework for environments in texinfo.tex.  It's used like this:
-%
-%   \envdef\foo{...}
-%   \def\Efoo{...}
-%
-% It's the responsibility of \envdef to insert \begingroup before the
-% actual body; @end closes the group after calling \Efoo.  \envdef also
-% defines \thisenv, so the current environment is known; @end checks
-% whether the environment name matches.  The \checkenv macro can also be
-% used to check whether the current environment is the one expected.
-%
-% Non-false conditionals (@iftex, @ifset) don't fit into this, so they
-% are not treated as enviroments; they don't open a group.  (The
-% implementation of @end takes care not to call \endgroup in this
-% special case.)
+%% These are used to keep @begin/@end levels from running away
+%% Call \inENV within environments (after a \begingroup)
+\newif\ifENV \ENVfalse \def\inENV{\ifENV\relax\else\ENVtrue\fi}
+\def\ENVcheck{%
+\ifENV\errmessage{Still within an environment; press RETURN to continue}
+\endgroup\fi} % This is not perfect, but it should reduce lossage
 
+% @begin foo  is the same as @foo, for now.
+\newhelp\EMsimple{Press RETURN to continue.}
 
-% At runtime, environments start with this:
-\def\startenvironment#1{\begingroup\def\thisenv{#1}}
-% initialize
-\let\thisenv\empty
+\outer\def\begin{\parsearg\beginxxx}
 
-% ... but they get defined via ``\envdef\foo{...}'':
-\long\def\envdef#1#2{\def#1{\startenvironment#1#2}}
-\def\envparseargdef#1#2{\parseargdef#1{\startenvironment#1#2}}
+\def\beginxxx #1{%
+\expandafter\ifx\csname #1\endcsname\relax
+{\errhelp=\EMsimple \errmessage{Undefined command @begin #1}}\else
+\csname #1\endcsname\fi}
 
-% Check whether we're in the right environment:
-\def\checkenv#1{%
-  \def\temp{#1}%
-  \ifx\thisenv\temp
+% @end foo executes the definition of \Efoo.
+%
+\def\end{\parsearg\endxxx}
+\def\endxxx #1{%
+  \removeactivespaces{#1}%
+  \edef\endthing{\the\toks0}%
+  %
+  \expandafter\ifx\csname E\endthing\endcsname\relax
+    \expandafter\ifx\csname \endthing\endcsname\relax
+      % There's no \foo, i.e., no ``environment'' foo.
+      \errhelp = \EMsimple
+      \errmessage{Undefined command `@end \endthing'}%
+    \else
+      \unmatchedenderror\endthing
+    \fi
   \else
-    \badenverr
+    % Everything's ok; the right environment has been started.
+    \csname E\endthing\endcsname
   \fi
 }
 
-% Evironment mismatch, #1 expected:
-\def\badenverr{%
+% There is an environment #1, but it hasn't been started.  Give an error.
+%
+\def\unmatchedenderror#1{%
   \errhelp = \EMsimple
-  \errmessage{This command can appear only \inenvironment\temp,
-    not \inenvironment\thisenv}%
-}
-\def\inenvironment#1{%
-  \ifx#1\empty
-    out of any environment%
-  \else
-    in environment \expandafter\string#1%
-  \fi
+  \errmessage{This `@end #1' doesn't have a matching `@#1'}%
 }
 
-% @end foo executes the definition of \Efoo.
-% But first, it executes a specialized version of \checkenv
+% Define the control sequence \E#1 to give an unmatched @end error.
 %
-\parseargdef\end{%
-  \if 1\csname iscond.#1\endcsname
-  \else
-    % The general wording of \badenverr may not be ideal, but... --kasal, 06nov03
-    \expandafter\checkenv\csname#1\endcsname
-    \csname E#1\endcsname
-    \endgroup
-  \fi
+\def\defineunmatchedend#1{%
+  \expandafter\def\csname E#1\endcsname{\unmatchedenderror{#1}}%
 }
 
-\newhelp\EMsimple{Press RETURN to continue.}
-
 
 %% Simple single-character @ commands
 
@@ -576,9 +496,6 @@
   !gdef!rbraceatcmd[@}]%
 !endgroup
 
-% @comma{} to avoid , parsing problems.
-\let\comma = ,
-
 % Accents: @, @dotaccent @ringaccent @ubaraccent @udotaccent
 % Others are defined by plain TeX: @` @' @" @^ @~ @= @u @v @H.
 \let\, = \c
@@ -588,12 +505,10 @@
 \let\ubaraccent = \b
 \let\udotaccent = \d
 
-% Other special characters: @questiondown @exclamdown @ordf @ordm
+% Other special characters: @questiondown @exclamdown
 % Plain TeX defines: @AA @AE @O @OE @L (plus lowercase versions) @ss.
 \def\questiondown{?`}
 \def\exclamdown{!`}
-\def\ordf{\leavevmode\raise1ex\hbox{\selectfonts\lllsize \underbar{a}}}
-\def\ordm{\leavevmode\raise1ex\hbox{\selectfonts\lllsize \underbar{o}}}
 
 % Dotless i and dotless j, used for accents.
 \def\imacro{i}
@@ -606,25 +521,6 @@
   \fi\fi
 }
 
-% The \TeX{} logo, as in plain, but resetting the spacing so that a
-% period following counts as ending a sentence.  (Idea found in latex.)
-%
-\edef\TeX{\TeX \spacefactor=1000 }
-
-% @LaTeX{} logo.  Not quite the same results as the definition in
-% latex.ltx, since we use a different font for the raised A; it's most
-% convenient for us to use an explicitly smaller font, rather than using
-% the \scriptstyle font (since we don't reset \scriptstyle and
-% \scriptscriptstyle).
-%
-\def\LaTeX{%
-  L\kern-.36em
-  {\setbox0=\hbox{T}%
-   \vbox to \ht0{\hbox{\selectfonts\lllsize A}\vss}}%
-  \kern-.15em
-  \TeX
-}
-
 % Be sure we're in horizontal mode when doing a tie, since we make space
 % equivalent to this in @example-like environments. Otherwise, a space
 % at the beginning of a line will start with \penalty -- and
@@ -678,14 +574,59 @@
 \newbox\groupbox
 \def\vfilllimit{0.7}
 %
-\envdef\group{%
-  \ifnum\catcode`\^^M=\active \else
+\def\group{\begingroup
+  \ifnum\catcode13=\active \else
     \errhelp = \groupinvalidhelp
     \errmessage{@group invalid in context where filling is enabled}%
   \fi
-  \startsavinginserts
+  %
+  % The \vtop we start below produces a box with normal height and large
+  % depth; thus, TeX puts \baselineskip glue before it, and (when the
+  % next line of text is done) \lineskip glue after it.  (See p.82 of
+  % the TeXbook.)  Thus, space below is not quite equal to space
+  % above.  But it's pretty close.
+  \def\Egroup{%
+    \egroup           % End the \vtop.
+    % \dimen0 is the vertical size of the group's box.
+    \dimen0 = \ht\groupbox  \advance\dimen0 by \dp\groupbox
+    % \dimen2 is how much space is left on the page (more or less).
+    \dimen2 = \pageheight   \advance\dimen2 by -\pagetotal
+    % if the group doesn't fit on the current page, and it's a big big
+    % group, force a page break.
+    \ifdim \dimen0 > \dimen2
+      \ifdim \pagetotal < \vfilllimit\pageheight
+        \page
+      \fi
+    \fi
+    \copy\groupbox
+    \endgroup         % End the \group.
+  }%
   %
   \setbox\groupbox = \vtop\bgroup
+    % We have to put a strut on the last line in case the @group is in
+    % the midst of an example, rather than completely enclosing it.
+    % Otherwise, the interline space between the last line of the group
+    % and the first line afterwards is too small.  But we can't put the
+    % strut in \Egroup, since there it would be on a line by itself.
+    % Hence this just inserts a strut at the beginning of each line.
+    \everypar = {\strut}%
+    %
+    % Since we have a strut on every line, we don't need any of TeX's
+    % normal interline spacing.
+    \offinterlineskip
+    %
+    % OK, but now we have to do something about blank
+    % lines in the input in @example-like environments, which normally
+    % just turn into \lisppar, which will insert no space now that we've
+    % turned off the interline space.  Simplest is to make them be an
+    % empty paragraph.
+    \ifx\par\lisppar
+      \edef\par{\leavevmode \par}%
+      %
+      % Reset ^^M's definition to new definition of \par.
+      \obeylines
+    \fi
+    %
     % Do @comment since we are called inside an environment such as
     % @example, where each end-of-line in the input causes an
     % end-of-line in the output.  We don't want the end-of-line after
@@ -695,32 +636,6 @@
     \comment
 }
 %
-% The \vtop produces a box with normal height and large depth; thus, TeX puts
-% \baselineskip glue before it, and (when the next line of text is done)
-% \lineskip glue after it.  Thus, space below is not quite equal to space
-% above.  But it's pretty close.
-\def\Egroup{%
-    % To get correct interline space between the last line of the group
-    % and the first line afterwards, we have to propagate \prevdepth.
-    \endgraf % Not \par, as it may have been set to \lisppar.
-    \global\dimen1 = \prevdepth
-  \egroup           % End the \vtop.
-  % \dimen0 is the vertical size of the group's box.
-  \dimen0 = \ht\groupbox  \advance\dimen0 by \dp\groupbox
-  % \dimen2 is how much space is left on the page (more or less).
-  \dimen2 = \pageheight   \advance\dimen2 by -\pagetotal
-  % if the group doesn't fit on the current page, and it's a big big
-  % group, force a page break.
-  \ifdim \dimen0 > \dimen2
-    \ifdim \pagetotal < \vfilllimit\pageheight
-      \page
-    \fi
-  \fi
-  \box\groupbox
-  \prevdepth = \dimen1
-  \checkinserts
-}
-%
 % TeX puts in an \escapechar (i.e., `@') at the beginning of the help
 % message, so this ends up printing `@group can only ...'.
 %
@@ -733,8 +648,10 @@ where each line of input produces a line of output.}
 
 \newdimen\mil  \mil=0.001in
 
+\def\need{\parsearg\needx}
+
 % Old definition--didn't work.
-%\parseargdef\need{\par %
+%\def\needx #1{\par %
 %% This method tries to make TeX break the page naturally
 %% if the depth of the box does not fit.
 %{\baselineskip=0pt%
@@ -742,7 +659,7 @@ where each line of input produces a line of output.}
 %\prevdepth=-1000pt
 %}}
 
-\parseargdef\need{%
+\def\needx#1{%
   % Ensure vertical mode, so we don't make a big box in the middle of a
   % paragraph.
   \par
@@ -781,10 +698,35 @@ where each line of input produces a line of output.}
   \fi
 }
 
-% @br   forces paragraph break (and is undocumented).
+% @br   forces paragraph break
 
 \let\br = \par
 
+% @dots{} output an ellipsis using the current font.
+% We do .5em per period so that it has the same spacing in a typewriter
+% font as three actual period characters.
+%
+\def\dots{%
+  \leavevmode
+  \hbox to 1.5em{%
+    \hskip 0pt plus 0.25fil minus 0.25fil
+    .\hss.\hss.%
+    \hskip 0pt plus 0.5fil minus 0.5fil
+  }%
+}
+
+% @enddots{} is an end-of-sentence ellipsis.
+%
+\def\enddots{%
+  \leavevmode
+  \hbox to 2em{%
+    \hskip 0pt plus 0.25fil minus 0.25fil
+    .\hss.\hss.\hss.%
+    \hskip 0pt plus 0.5fil minus 0.5fil
+  }%
+  \spacefactor=3000
+}
+
 % @page forces the start of a new page.
 %
 \def\page{\par\vfill\supereject}
@@ -797,11 +739,13 @@ where each line of input produces a line of output.}
 \newskip\exdentamount
 
 % This defn is used inside fill environments such as @defun.
-\parseargdef\exdent{\hfil\break\hbox{\kern -\exdentamount{\rm#1}}\hfil\break}
+\def\exdent{\parsearg\exdentyyy}
+\def\exdentyyy #1{{\hfil\break\hbox{\kern -\exdentamount{\rm#1}}\hfil\break}}
 
 % This defn is used inside nofill environments such as @example.
-\parseargdef\nofillexdent{{\advance \leftskip by -\exdentamount
-  \leftline{\hskip\leftskip{\rm#1}}}}
+\def\nofillexdent{\parsearg\nofillexdentyyy}
+\def\nofillexdentyyy #1{{\advance \leftskip by -\exdentamount
+\leftline{\hskip\leftskip{\rm#1}}}}
 
 % @inmargin{WHICH}{TEXT} puts TEXT in the WHICH margin next to the current
 % paragraph.  For more general purposes, use the \margin inserti