How to make a tree-content for DjVuReader.

(Thanks to asdfg2003)

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Here is a structure of a file.dsed file:
 
select; remove-ant 
# ------------------------------------- 
select 1 
set-ant 
(metadata  
# (pageindex1 "") 
(title1 "Booktitle") 
 (content1  
"Content #3 
Preface #6 
Chapter 1. Name of the chapter #13 
 1.1. Section 1 #13 
 1.2. Section 2 #16 
 1.6. Section 3 #32 
Chapter 2. Name of the chapter #34 
 2.1. Section 1 #34 
 2.2. Section 2 #37 
 2.7. Section 3 #49 
Cover. #400") 
) 
. 
 
The tree level is defined with the number of the blank spaces from the line start:
1. 
 1.1 
  1.1.1 
 
All the content is inside  content1("") 
 
then:

djvused.exe file.djvu -f file.dsed -s 
 
djvused.exe is available there where DVu Reader is.