Xindy is a program used for creating indexes, especially for documents written in LaTeX. It is designed to produce high-quality indexes by allowing users to define complex indexing commands and customize the indexing process. Xindy supports multiple languages and includes features such as the ability to sort entries according to different languages and handle variations in spelling or formatting. Xindy is often preferred over traditional indexing tools due to its flexibility and the control it gives users over how indexes are generated.
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