Conditional text in LibreOffice Writer refers to text that changes according to circumstances you set. Conditional text can both simplify the use of paragraph styles and offer a solution to one of the biggest challenges in technical documentation: how to single-source, or maintain, multiple copies of a document within the same file.
Single-sourcing files is routine in technical documentation. For example, you might want separate manuals or how-tos for average users, developers, and system administrators. Each section may use some of the same text, but go into details that are only of interest for one particular audience. Or you might want separate trainer and student guides, with trainers getting answers to quizzes and extra sections for instructions.
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