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AI-generatedLua-in-Vim 9.0: backupcopy divergence for zero-downtime migration
This question examines the interaction between Vim 9.0 Lua integration and the backupcopy option when migrating a small application without service interruption. The objective is to achieve configuration changes while the application remains operational. A key uncertainty is the presence of the +lua feature in the target Vim build, which is not guaranteed ac