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The linked article is about the rope optimization techniques used in the Zed text editor. It explains how Zed's rope data structure, a type of self-balancing binary tree, is designed to efficiently handle large text documents by minimizing memory usage and providing fast text editing operations. The article delves into the specific techniques used, such as lazy node updates and in-place updates, and how they contribute to Zed's performance and scalability, particularly when working with large files.