Improve indexing on the chapter/section/subsection levels.

 doc/lispref/windows.texi (Recombining Windows): Index subject of sections.
 doc/lispref/variables.texi (Variables with Restricted Values)
 (Generalized Variables): Index subject of sections.
 doc/lispref/text.texi (Buffer Contents, Examining Properties)
 (Changing Properties, Property Search, Substitution): Index
 subject of sections.
 doc/lispref/syntax.texi (Motion and Syntax, Parsing Expressions)
 (Motion via Parsing, Position Parse, Control Parsing): Index
 subject of sections.
 doc/lispref/strings.texi (Predicates for Strings, Creating Strings)
 (Modifying Strings, Text Comparison): Index subject of sections.
 doc/lispref/searching.texi (Syntax of Regexps, Regexp Special)
 (Regexp Functions, Regexp Functions): Index subject of sections.
 doc/lispref/processes.texi (Subprocess Creation, Process Information): Index
 subject of sections.
 doc/lispref/positions.texi (Screen Lines): Index subject of sections.
 doc/lispref/nonascii.texi (Scanning Charsets, Specifying Coding Systems):
 Index subject of sections.
 doc/lispref/minibuf.texi (Text from Minibuffer, Object from Minibuffer)
 (Multiple Queries, Minibuffer Contents): Index subject of
 sections.
 doc/lispref/markers.texi (Predicates on Markers, Creating Markers)
 (Information from Markers, Moving Markers): Index subject of
 sections.
 doc/lispref/macros.texi (Defining Macros, Problems with Macros): Index
 subject of sections.
 doc/lispref/loading.texi (Loading Non-ASCII, Where Defined): Index subject
 of sections.
 doc/lispref/lists.texi (List-related Predicates, List Variables, Setcar)
 (Setcdr, Plist Access): Index subject of sections.
 doc/lispref/keymaps.texi (Controlling Active Maps, Scanning Keymaps)
 (Modifying Menus): Index subject of sections.
 doc/lispref/help.texi (Accessing Documentation, Help Functions): Index
 subject of sections.
 doc/lispref/hash.texi (Hash Access): Index subject of sections.
 doc/lispref/functions.texi (Core Advising Primitives)
 (Advising Named Functions, Porting old advices): Index subject of
 sections.
 doc/lispref/frames.texi (Creating Frames, Initial Parameters)
 (Position Parameters, Buffer Parameters, Minibuffers and Frames)
 (Pop-Up Menus, Drag and Drop): Index subject of sections.
 doc/lispref/files.texi (Visiting Functions, Kinds of Files)
 (Unique File Names): Index subject of sections.
 doc/lispref/display.texi (Refresh Screen, Echo Area Customization)
 (Warning Variables, Warning Options, Delayed Warnings)
 (Temporary Displays, Managing Overlays, Overlay Properties)
 (Finding Overlays, Size of Displayed Text, Defining Faces)
 (Attribute Functions, Displaying Faces, Face Remapping)
 (Basic Faces, Font Lookup, Fontsets, Replacing Specs)
 (Defining Images, Showing Images): Index subject of sections.
 doc/lispref/debugging.texi (Debugging, Explicit Debug)
 (Invoking the Debugger, Excess Open, Excess Close): Index subject
 of sections.
 doc/lispref/customize.texi (Defining New Types, Applying Customizations)
 (Custom Themes): Index subject of sections.
 doc/lispref/control.texi (Sequencing, Combining Conditions)
 (Processing of Errors, Cleanups): Index subject of sections.
 doc/lispref/compile.texi (Eval During Compile): Index subject of sections.
 doc/lispref/commands.texi (Using Interactive, Distinguish Interactive)
 (Command Loop Info, Classifying Events, Event Mod)
 (Invoking the Input Method): Index subject of sections.
 doc/lispref/buffers.texi (Buffer List, Buffer Gap): Index subject of sections.
 doc/lispref/backups.texi (Making Backups, Numbered Backups, Backup Names)
 (Reverting): Index subject of sections.
 doc/lispref/abbrevs.texi (Abbrev Tables, Defining Abbrevs, Abbrev Files)
 (Abbrev Expansion, Standard Abbrev Tables, Abbrev Properties)
 (Abbrev Table Properties): Index subject of sections.
 doc/lispref/os.texi (Time of Day, Time Conversion, Time Parsing)
 (Time Calculations, Idle Timers): Index subject of sections.

1 files changed, 6 insertions, 0 deletions

diff --git a/doc/lispref/debugging.texi b/doc/lispref/debugging.texi
index 66f12a022cb..0b3c47f4339 100644
--- a/doc/lispref/debugging.texi
+++ b/doc/lispref/debugging.texi
@@ -5,6 +5,7 @@
 @c See the file elisp.texi for copying conditions.
 @node Debugging
 @chapter Debugging Lisp Programs
+@cindex debugging lisp programs
 
   There are several ways to find and investigate problems in an Emacs
 Lisp program.
@@ -284,6 +285,8 @@ not currently set up to break on entry.
 
 @node Explicit Debug
 @subsection Explicit Entry to the Debugger
+@cindex debugger, explicit entry
+@cindex force entry to debugger
 
   You can cause the debugger to be called at a certain point in your
 program by writing the expression @code{(debug)} at that point.  To do
@@ -456,6 +459,7 @@ Toggle the display of local variables of the current stack frame.
 
 @node Invoking the Debugger
 @subsection Invoking the Debugger
+@cindex invoking lisp debugger
 
   Here we describe in full detail the function @code{debug} that is used
 to invoke the debugger.
@@ -707,6 +711,7 @@ find the mismatch.)
 
 @node Excess Open
 @subsection Excess Open Parentheses
+@cindex excess open parentheses
 
   The first step is to find the defun that is unbalanced.  If there is
 an excess open parenthesis, the way to do this is to go to the end of
@@ -741,6 +746,7 @@ anything.
 
 @node Excess Close
 @subsection Excess Close Parentheses
+@cindex excess close parentheses
 
   To deal with an excess close parenthesis, first go to the beginning
 of the file, then type @kbd{C-u -1 C-M-u} to find the end of the first