Update texinfo.tex to latest.

2 files changed, 34 insertions, 19 deletions

diff --git a/doc/ChangeLog b/doc/ChangeLog
index b0a25850..c38f8748 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,3 +1,7 @@
+2014-04-08         Arnold D. Robbins     <arnold@skeeve.com>
+
+	* texinfo.tex: Update to latest.
+
 2014-03-30         Arnold D. Robbins     <arnold@skeeve.com>
 
 	* gawktexi.in: Cleanups to docbook, finish math stuff.
diff --git a/doc/texinfo.tex b/doc/texinfo.tex
index b51ac3dc..7506dffb 100644
--- a/doc/texinfo.tex
+++ b/doc/texinfo.tex
@@ -3,7 +3,7 @@
 % Load plain if necessary, i.e., if running under initex.
 \expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
 %
-\def\texinfoversion{2014-02-09.15}
+\def\texinfoversion{2014-03-18.17}
 %
 % Copyright 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995,
 % 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
@@ -3935,19 +3935,23 @@ end
 }
 
 % multitable-only commands.
-%
-% @headitem starts a heading row, which we typeset in bold.
-% Assignments have to be global since we are inside the implicit group
-% of an alignment entry.  \everycr resets \everytab so we don't have to
+% 
+% @headitem starts a heading row, which we typeset in bold.  Assignments
+% have to be global since we are inside the implicit group of an
+% alignment entry.  \everycr below resets \everytab so we don't have to
 % undo it ourselves.
 \def\headitemfont{\b}% for people to use in the template row; not changeable
 \def\headitem{%
   \checkenv\multitable
   \crcr
+  \gdef\headitemcrhook{\nobreak}% attempt to avoid page break after headings
   \global\everytab={\bf}% can't use \headitemfont since the parsing differs
   \the\everytab % for the first item
 }%
 %
+% default for tables with no headings.
+\let\headitemcrhook=\relax
+%
 % A \tab used to include \hskip1sp.  But then the space in a template
 % line is not enough.  That is bad.  So let's go back to just `&' until
 % we again encounter the problem the 1sp was intended to solve.
@@ -3978,15 +3982,15 @@ end
   %
   \everycr = {%
     \noalign{%
-      \global\everytab={}%
+      \global\everytab={}% Reset from possible headitem.
       \global\colcount=0 % Reset the column counter.
-      % Check for saved footnotes, etc.
+      %
+      % Check for saved footnotes, etc.:
       \checkinserts
-      % Keeps underfull box messages off when table breaks over pages.
-      %\filbreak
-	% Maybe so, but it also creates really weird page breaks when the
-	% table breaks over pages. Wouldn't \vfil be better?  Wait until the
-	% problem manifests itself, so it can be fixed for real --karl.
+      %
+      % Perhaps a \nobreak, then reset:
+      \headitemcrhook
+      \global\let\headitemcrhook=\relax
     }%
   }%
   %
@@ -4428,7 +4432,7 @@ end
   % complicated, when \tex is in effect and \{ is a \delimiter again.
   % We can't use \lbracecmd and \rbracecmd because texindex assumes
   % braces and backslashes are used only as delimiters.  Perhaps we
-  % should define @lbrace and @rbrace commands a la @comma.
+  % should use @lbracechar and @rbracechar?
   \def\{{{\tt\char123}}%
   \def\}{{\tt\char125}}%
   %
@@ -4449,8 +4453,7 @@ end
   % @end macro
   % ...
   % @funindex commtest
-  %
-  % The above is not enough to reproduce the bug, but it gives the flavor.
+  % This is not enough to reproduce the bug, but it gives the flavor.
   %
   % Sample whatsit resulting:
   % .@write3{\entry{xyz}{@folio }{@code {xyz@endinput }}}
@@ -4663,6 +4666,9 @@ end
   \let\xeatspaces = \eatspaces
 }
 
+% For testing: output @{ and @} in index sort strings as \{ and \}.
+\newif\ifusebracesinindexes
+
 % \indexnofonts is used when outputting the strings to sort the index
 % by, and when constructing control sequence names.  It eliminates all
 % control sequences and just writes whatever the best ASCII sort string
@@ -4691,11 +4697,16 @@ end
   % Unfortunately, texindex is not prepared to handle braces in the
   % content at all.  So for index sorting, we map @{ and @} to strings
   % starting with |, since that ASCII character is between ASCII { and }.
-  \def\{{|a}%
-  \def\lbracechar{|a}%
+  \ifusebracesinindexes
+    \def\lbracechar{\lbracecmd}%
+    \def\rbracechar{\rbracecmd}%
+  \else
+    \def\lbracechar{|a}%
+    \def\rbracechar{|b}%
+  \fi
+  \let\{=\lbracechar
+  \let\}=\rbracechar
   %
-  \def\}{|b}%
-  \def\rbracechar{|b}%
   %
   % Non-English letters.
   \def\AA{AA}%