patch 9.0.0915: WinScrolled may trigger immediately when defined Commit: https://github.com/vim/vim/commit/29967732761d1ffb5592db5f5aa7036f5b52abf1 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Nov 20 12:11:45 2022 +0000 patch 9.0.0915: WinScrolled may trigger immediately when defined Problem: WinScrolled may trigger immediately when defined. Solution: Initialize the fields in all windows. (closes https://github.com/vim/vim/issues/11582)

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