After downloading an RTF file (see Files Info) for one of my families, you can create an index for it as follows:
The RTF descendants'-list files have the names marked for an index to be created in Microsoft Word.
Part 1. allows one to create a book with one's own comments to distribute to family members.
To see the indentation in an RTF file, set View-Print Layout in MS Word or print the file in MS Word.