diff --git a/build-aux/texinfo.tex b/build-aux/texinfo.tex
index dcdeb9b..971770c 100644
--- a/build-aux/texinfo.tex
+++ b/build-aux/texinfo.tex
@@ -1,9 +1,9 @@
 % texinfo.tex -- TeX macros to handle Texinfo files.
-% 
+%
 % Load plain if necessary, i.e., if running under initex.
 \expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
 %
-\def\texinfoversion{2012-01-19.16}
+\def\texinfoversion{2012-02-24.14}
 %
 % Copyright 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995,
 % 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
@@ -233,7 +233,7 @@
 % @errormsg{MSG}.  Do the index-like expansions on MSG, but if things
 % aren't perfect, it's not the end of the world, being an error message,
 % after all.
-% 
+%
 \def\errormsg{\begingroup \indexnofonts \doerrormsg}
 \def\doerrormsg#1{\errmessage{#1}}
 
@@ -1097,7 +1097,7 @@ where each line of input produces a line of output.}
 % for display in the outlines, and in other places.  Thus, we have to
 % double any backslashes.  Otherwise, a name like "\node" will be
 % interpreted as a newline (\n), followed by o, d, e.  Not good.
-% 
+%
 % See http://www.ntg.nl/pipermail/ntg-pdftex/2004-July/000654.html and
 % related messages.  The final outcome is that it is up to the TeX user
 % to double the backslashes and otherwise make the string valid, so
@@ -1337,7 +1337,7 @@ output) for that.)}
       % their "best" equivalent, based on the @documentencoding.  Too
       % much work for too little return.  Just use the ASCII equivalents
       % we use for the index sort strings.
-      % 
+      %
       \indexnofonts
       \setupdatafile
       % We can have normal brace characters in the PDF outlines, unlike
@@ -2304,7 +2304,7 @@ end
 }
 
 % Commands to set the quote options.
-% 
+%
 \parseargdef\codequoteundirected{%
   \def\temp{#1}%
   \ifx\temp\onword
@@ -2345,7 +2345,7 @@ end
 % If we are in a monospaced environment, however, 1) always use \ttsl,
 % and 2) do not add an italic correction.
 \def\dosmartslant#1#2{%
-  \ifusingtt 
+  \ifusingtt
     {{\ttsl #2}\let\next=\relax}%
     {\def\next{{#1#2}\futurelet\next\smartitaliccorrection}}%
   \next
@@ -2651,7 +2651,7 @@ end
 % One more complication: by default we'll break after the special
 % characters, but some people like to break before the special chars, so
 % allow that.  Also allow no breaking at all, for manual control.
-% 
+%
 \parseargdef\urefbreakstyle{%
   \def\txiarg{#1}%
   \ifx\txiarg\wordnone
@@ -2839,7 +2839,7 @@ end
 % @inlinefmt{FMTNAME,PROCESSED-TEXT} and @inlineraw{FMTNAME,RAW-TEXT}.
 % Ignore unless FMTNAME == tex; then it is like @iftex and @tex,
 % except specified as a normal braced arg, so no newlines to worry about.
-% 
+%
 \def\outfmtnametex{tex}
 %
 \long\def\inlinefmt#1{\doinlinefmt #1,\finish}
@@ -2854,7 +2854,7 @@ end
 % *right* brace they would have to use a command anyway, so they may as
 % well use a command to get a left brace too.  We could re-use the
 % delimiter character idea from \verb, but it seems like overkill.
-% 
+%
 \long\def\inlineraw{\tex \doinlineraw}
 \long\def\doinlineraw#1{\doinlinerawtwo #1,\finish}
 \def\doinlinerawtwo#1,#2,\finish{%
@@ -5438,7 +5438,7 @@ end
 \let\top\unnumbered
 
 % Sections.
-% 
+%
 \outer\parseargdef\numberedsec{\numhead1{#1}} % normally calls seczzz
 \def\seczzz#1{%
   \global\subsecno=0 \global\subsubsecno=0  \global\advance\secno by 1
@@ -5461,7 +5461,7 @@ end
 }
 
 % Subsections.
-% 
+%
 % normally calls numberedsubseczzz:
 \outer\parseargdef\numberedsubsec{\numhead2{#1}}
 \def\numberedsubseczzz#1{%
@@ -5486,7 +5486,7 @@ end
 }
 
 % Subsubsections.
-% 
+%
 % normally numberedsubsubseczzz:
 \outer\parseargdef\numberedsubsubsec{\numhead3{#1}}
 \def\numberedsubsubseczzz#1{%
@@ -6804,7 +6804,7 @@ end
 % @deftypefnnewline on|off says whether the return type of typed functions
 % are printed on their own line.  This affects @deftypefn, @deftypefun,
 % @deftypeop, and @deftypemethod.
-% 
+%
 \parseargdef\deftypefnnewline{%
   \def\temp{#1}%
   \ifx\temp\onword
@@ -6985,7 +6985,7 @@ end
       \tclose{\temp}% typeset the return type
       \ifrettypeownline
         % put return type on its own line; prohibit line break following:
-        \hfil\vadjust{\nobreak}\break  
+        \hfil\vadjust{\nobreak}\break
       \else
         \space  % type on same line, so just followed by a space
       \fi
@@ -7139,7 +7139,7 @@ end
   % would then have different behavior).  See the Macro Details node in
   % the manual for the workaround we recommend for macros and
   % line-oriented commands.
-  % 
+  %
   \scantokens{#1\empty}%
 \endgroup}
 
@@ -7240,13 +7240,13 @@ end
 % why catcode 0 for \ in the above?  To recognize \\ \{ \} as "escapes"
 % for the single characters \ { }.  Thus, we end up with the "commands"
 % that would be written @\ @{ @} in a Texinfo document.
-% 
+%
 % We already have @{ and @}.  For @\, we define it here, and only for
 % this purpose, to produce a typewriter backslash (so, the @\ that we
 % define for @math can't be used with @macro calls):
 %
 \def\\{\normalbackslash}%
-% 
+%
 % We would like to do this for \, too, since that is what makeinfo does.
 % But it is not possible, because Texinfo already has a command @, for a
 % cedilla accent.  Documents must use @comma{} instead.
@@ -7341,7 +7341,7 @@ end
 % in the params list to some hook where the argument si to be expanded.  If
 % there are less than 10 arguments that hook is to be replaced by ##N where N
 % is the position in that list, that is to say the macro arguments are to be
-% defined `a la TeX in the macro body.  
+% defined `a la TeX in the macro body.
 %
 % That gets used by \mbodybackslash (above).
 %
@@ -7391,7 +7391,7 @@ end
 
 \def\parsemmanyargdef@@#1,{%
   \if#1;\let\next=\relax
-  \else 
+  \else
     \let\next=\parsemmanyargdef@@
     \edef\tempb{\eatspaces{#1}}%
     \expandafter\def\expandafter\tempa
@@ -7443,7 +7443,7 @@ end
   \fi
 }
 
-% 
+%
 \def\getargvals@@{%
   \ifx\paramlist\nilm@
       % Some sanity check needed here that \argvaluelist is also empty.
@@ -7511,8 +7511,8 @@ end
   address@hidden@tempc}%
   }
 
address@hidden 
-  %% Define the named-macro outside of this group and then close this group. 
address@hidden
+  %% Define the named-macro outside of this group and then close this group.
   \expandafter
   \endgroup
   \macargdeflist@
@@ -7621,7 +7621,7 @@ end
       \else % 10 or more
         \expandafter\xdef\csname\the\macname\endcsname{%
           address@hidden
-        }%    
+        }%
         \global\expandafter\let\csname mac.\the\macname .body\endcsname\temp
         \global\expandafter\let\csname mac.\the\macname .recurse\endcsname\gobble
       \fi
@@ -7674,7 +7674,7 @@ end
 % {.  If so it reads up to the closing }, if not, it reads the whole
 % line.  Whatever was read is then fed to the next control sequence
 % as an argument (by \parsebrace or \parsearg).
-% 
+%
 \def\braceorline#1{\let\macnamexxx=#1\futurelet\nchar\braceorlinexxx}
 \def\braceorlinexxx{%
   \ifx\nchar\bgroup\else
@@ -7777,7 +7777,7 @@ end
 % automatically in xrefs, if the third arg is not explicitly specified.
 % This was provided as a "secret" @set xref-automatic-section-title
 % variable, now it's official.
-% 
+%
 \parseargdef\xrefautomaticsectiontitle{%
   \def\temp{#1}%
   \ifx\temp\onword
@@ -7890,14 +7890,14 @@ end
     \fi
   \else
     % node/anchor (non-float) references.
-    % 
+    %
     % If we use \unhbox to print the node names, TeX does not insert
     % empty discretionaries after hyphens, which means that it will not
     % find a line break at a hyphen in a node names.  Since some manuals
     % are best written with fairly long node names, containing hyphens,
     % this is a loss.  Therefore, we give the text of the node name
     % again, so it is as if TeX is seeing it for the first time.
-    % 
+    %
     % Cross-manual reference.  Only include the "Section ``foo'' in" if
     % the foo is neither missing or Top.  Thus, @xref{,,,foo,The Foo Manual}
     % outputs simply "see The Foo Manual".
@@ -7910,10 +7910,10 @@ end
       % 7sp, we make it much less likely that a real node name would
       % happen to have the same width as "Top" (e.g., in a monospaced font).
       % I hope it will never happen in practice.
-      % 
+      %
       % For the same basic reason, we retypeset the "Top" at every
       % reference, since the current font is indeterminate.
-      % 
+      %
       \setbox\topbox = \hbox{Top\kern7sp}%
       \setbox2 = \hbox{\ignorespaces \printedrefname \unskip \kern7sp}%
       \ifdim \wd2 > 7sp