(texinfo) Using texinfo-show-structure

 
 Using `texinfo-show-structure'
 ==============================
 
   It is not always easy to keep track of the nodes, chapters, sections,
 and subsections of a Texinfo file.  This is especially true if you are
 revising or adding to a Texinfo file that someone else has written.
 
   In GNU Emacs, in Texinfo mode, the `texinfo-show-structure' command
 lists all the lines that begin with the @-commands that specify the
 structure: `@chapter', `@section', `@appendix', and so on.  With an
 argument (`C-u' as prefix argument, if interactive), the command also
 shows the `@node' lines.  The `texinfo-show-structure' command is bound
 to `C-c C-s' in Texinfo mode, by default.
 
   The lines are displayed in a buffer called the `*Occur*' buffer,
 indented by hierarchical level.  For example, here is a part of what was
 produced by running `texinfo-show-structure' on this manual:
 
       Lines matching "^@\\(chapter \\|sect\\|subs\\|subh\\|
       unnum\\|major\\|chapheading \\|heading \\|appendix\\)"
       in buffer texinfo.texi.
       ...
       4177:@chapter Nodes
       4198:    @heading Two Paths
       4231:    @section Node and Menu Illustration
       4337:    @section The @code{@@node} Command
       4393:        @subheading Choosing Node and Pointer Names
       4417:        @subsection How to Write an @code{@@node} Line
       4469:        @subsection @code{@@node} Line Tips
       ...
 
   This says that lines 4337, 4393, and 4417 of `texinfo.texi' begin
 with the `@section', `@subheading', and `@subsection' commands
 respectively.  If you move your cursor into the `*Occur*' window, you
 can position the cursor over one of the lines and use the `C-c C-c'
 command (`occur-mode-goto-occurrence'), to jump to the corresponding
 spot in the Texinfo file.   Using Occur (emacs)Other Repeating
 Search, for more information about `occur-mode-goto-occurrence'.
 
   The first line in the `*Occur*' window describes the "regular
 expression" specified by TEXINFO-HEADING-PATTERN.  This regular
 expression is the pattern that `texinfo-show-structure' looks for.
  Using Regular Expressions (emacs)Regexps, for more information.
 
   When you invoke the `texinfo-show-structure' command, Emacs will
 display the structure of the whole buffer.  If you want to see the
 structure of just a part of the buffer, of one chapter, for example,
 use the `C-x n n' (`narrow-to-region') command to mark the region.
 ( Narrowing (emacs)Narrowing.)  This is how the example used
 above was generated.  (To see the whole buffer again, use `C-x n w'
 (`widen').)
 
   If you call `texinfo-show-structure' with a prefix argument by typing
 `C-u C-c C-s', it will list lines beginning with `@node' as well as the
 lines beginning with the @-sign commands for `@chapter', `@section',
 and the like.
 
   You can remind yourself of the structure of a Texinfo file by looking
 at the list in the `*Occur*' window; and if you have mis-named a node
 or left out a section, you can correct the mistake.
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