--- a/config/texinfo.tex
+++ b/config/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{2003-05-04.08}
+\def\texinfoversion{2003-07-23.17}
 %
 % Copyright (C) 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995,
 % 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
@@ -887,13 +887,13 @@
 
 % @firstparagraphindent WORD
 % If WORD is `none', then suppress indentation of the first paragraph
-% after a section heading.  If WORD is `insert', then do indentat such
+% after a section heading.  If WORD is `insert', then do indent at such
 % paragraphs.
 %
 % The paragraph indentation is suppressed or not by calling
-% \suppressfirstparagraphindent, which the sectioning commands do.  We
-% switch the definition of this back and forth according to WORD.  By
-% default, we suppress indentation.
+% \suppressfirstparagraphindent, which the sectioning commands do.
+% We switch the definition of this back and forth according to WORD.
+% By default, we suppress indentation.
 %
 \def\suppressfirstparagraphindent{\dosuppressfirstparagraphindent}
 \newdimen\currentparindent
@@ -2659,7 +2659,7 @@
 \def\html{\doignore{html}}
 \def\ifhtml{\doignore{ifhtml}}
 \def\ifinfo{\doignore{ifinfo}}
-\def\ifnottex{\doignore{ifnottex}}
+\def\ifnottex{\nestedignore{ifnottex}}
 \def\ifplaintext{\doignore{ifplaintext}}
 \def\ifxml{\doignore{ifxml}}
 \def\ignore{\doignore{ignore}}
@@ -4023,23 +4023,27 @@
 %          if justification is not attempted.  Hence \raggedright.
 
 
-\def\majorheading{\parsearg\majorheadingzzz}
-\def\majorheadingzzz #1{%
+\def\majorheading{%
   {\advance\chapheadingskip by 10pt \chapbreak }%
-  {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
-                    \parindent=0pt\raggedright
-                    \rm #1\hfill}}\bigskip \par\penalty 200}
+  \parsearg\chapheadingzzz
+}
 
 \def\chapheading{\parsearg\chapheadingzzz}
-\def\chapheadingzzz #1{\chapbreak %
-  {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
+\def\chapheadingzzz #1{%
+  {\chapfonts \chapbreak \vbox{\hyphenpenalty=10000\tolerance=5000
                     \parindent=0pt\raggedright
-                    \rm #1\hfill}}\bigskip \par\penalty 200}
+                    \rm #1\hfill}}%
+  \bigskip \par\penalty 200\relax
+  \suppressfirstparagraphindent
+}
 
 % @heading, @subheading, @subsubheading.
-\def\heading{\parsearg\plainsecheading}
-\def\subheading{\parsearg\plainsubsecheading}
-\def\subsubheading{\parsearg\plainsubsubsecheading}
+\def\heading{\parsearg\secheadingyyy}
+\def\subheading{\parsearg\subsecheadingyyy}
+\def\subsubheading{\parsearg\subsubsecheadingyyy}
+\def\headingyyy#1{\plainsecheading{#1}\suppressfirstparagraphindent}
+\def\subheadingyyy#1{\plainsubsecheading{#1}\suppressfirstparagraphindent}
+\def\subsubheadingyyy#1{\plainsubsubsecheading{#1}\suppressfirstparagraphindent}
 
 % These macros generate a chapter, section, etc. heading only
 % (including whitespace, linebreaking, etc. around it),