Add sections to the bookbuilder: 《불가리아 아나키즘적 코뮌주의자 연방》 강령 (불가리아 아나키즘적 코뮌주의자 연방)


With complex structures, e.g., a chapter with subsections, selecting only the chapter is likely to select only the chapter's title, so probably you want to select the chapter and all its subsections.

The text structure is shown below.

Title, author, date...