Shortened some headings to fit in @smallbook format's table of contents.

readline/inc-readline.texinfo

@@ -45,7 +45,7 @@ This appendix describes GNU's command line editing interface.
 @end menu
 
 @node Introduction and Notation, Basic Line Editing, Command Line Editing, Command Line Editing
-@section Introduction to Line Editing
+@appendixsec Introduction to Line Editing
 
 In this appendix a the following notation is used to describe
 keystrokes.
@@ -68,7 +68,7 @@ stand for themselves when seen in this text, or in an init file
 (@pxref{Readline Init File}, for more info).
 
 @node Readline Interaction, Readline Init File, Readline Introduction, Readline Top
-@section Readline Interaction
+@appendixsec Readline Interaction
 @cindex interaction, readline
 
 Often during an interactive session you will type in a long line of
@@ -90,7 +90,7 @@ in any case.
 @end menu
 
 @node Readline Bare Essentials, Readline Movement Commands, Readline Interaction, Readline Interaction
-@subsection Readline Bare Essentials
+@appendixsubsec Readline Bare Essentials
 
 In order to enter characters into the line, simply type them.  The typed
 character appears where the cursor was, and then the cursor moves one
@@ -127,7 +127,7 @@ empty line.
 @end table
 
 @node Readline Movement Commands, Readline Killing Commands, Readline Bare Essentials, Readline Interaction
-@subsection Readline Movement Commands
+@appendixsubsec Readline Movement Commands
 
 
 The above table describes the most basic possible keystrokes that you need
@@ -154,7 +154,7 @@ forward a word.  It is a loose convention that control keystrokes
 operate on characters while meta keystrokes operate on words.
 
 @node Readline Killing Commands, Readline Arguments, Readline Movement Commands, Readline Interaction
-@subsection Readline Killing Commands
+@appendixsubsec Readline Killing Commands
 
 @dfn{Killing} text means to delete the text from the line, but to save
 it away for later use, usually by @dfn{yanking} it back into the line.
@@ -201,7 +201,7 @@ typed line is available to be yanked back later, when you are typing
 another line.
 
 @node Readline Arguments, , Readline Killing Commands, Readline Interaction
-@subsection Readline Arguments
+@appendixsubsec Readline Arguments
 
 You can pass numeric arguments to Readline commands.  Sometimes the
 argument acts as a repeat count, other times it is the @i{sign} of the
@@ -219,7 +219,7 @@ the @key{C-d} command an argument of 10, you could type @key{M-1 0 C-d}.
 
 
 @node Readline Init File, , Readline Interaction, Readline Top
-@section Readline Init File
+@appendixsec Readline Init File
 
 Although the Readline library comes with a set of Emacs-like
 keybindings, it is possible that you would like to use a different set
@@ -236,7 +236,7 @@ When a program which uses the Readline library starts up, the
 @end menu
 
 @node Readline Init Syntax, Readline Vi Mode, Readline Init File, Readline Init File
-@subsection Readline Init Syntax
+@appendixsubsec Readline Init Syntax
 
 You can start up with a vi-like editing mode by placing
 
@@ -281,7 +281,7 @@ Control-u:	universal-argument
 @end menu
 
 @node Commands For Moving, Commands For History, Readline Init Syntax, Readline Init Syntax
-@subsubsection Commands For Moving
+@appendixsubsubsec Commands For Moving
 @table @code
 @item beginning-of-line (C-a)
 Move to the start of the current line.
@@ -307,7 +307,7 @@ Clear the screen leaving the current line at the top of the screen.
 @end table
 
 @node Commands For History, Commands For Text, Commands For Moving, Readline Init Syntax
-@subsubsection Commands For Manipulating The History
+@appendixsubsubsec Using the History
 
 @table @code
 @item accept-line (Newline, Return)
@@ -338,7 +338,7 @@ the the history as neccessary.
 @end table
 
 @node Commands For Text, Commands For Killing, Commands For History, Readline Init Syntax
-@subsubsection Commands For Changing Text
+@appendixsubsubsec Changing Text
 
 @table @code
 @item delete-char (C-d)
@@ -384,7 +384,7 @@ do the previous word, but do not move point.
 @end table
 
 @node Commands For Killing, Numeric Arguments, Commands For Text, Readline Init Syntax
-@subsubsection Killing And Yanking
+@appendixsubsubsec Killing And Yanking
 
 @table @code
 
@@ -419,7 +419,7 @@ the prior command is yank or yank-pop.
 @end table
 
 @node Numeric Arguments, Commands For Completion, Commands For Killing, Readline Init Syntax
-@subsubsection Specifying Numeric Arguments
+@appendixsubsubsec Numeric Arguments
 @table @code
 
 @item digit-argument (M-0, M-1, ... M--)
@@ -432,7 +432,7 @@ Do what C-u does in emacs.  By default, this is not bound.
 
 
 @node Commands For Completion, Miscellaneous Commands, Numeric Arguments, Readline Init Syntax
-@subsubsection Letting Readline Type For You
+@appendixsubsubsec Letting Readline Type
 
 @table @code
 @item complete (TAB)
@@ -448,7 +448,7 @@ List the possible completions of the text before point.
 @end table
 
 @node Miscellaneous Commands, , Commands For Completion, Readline Init Syntax
-@subsubsection Some Miscellaneous Commands
+@appendixsubsubsec Other Commands
 @table @code
 
 @item abort (C-g)
@@ -470,7 +470,7 @@ command enough times to get back to the beginning.
 @end table
 
 @node Readline Vi Mode, , Readline Init Syntax, Readline Init File
-@subsection Readline Vi Mode
+@appendixsubsec Readline Vi Mode
 
 While the Readline library does not have a full set of Vi editing
 functions, it does contain enough to allow simple editing of the line.