patch 9.0.1603: display wrong if scrolling multiple lines with 'smoothscroll' Commit: https://github.com/vim/vim/commit/3c802277604a6b21110e41bedfe4c937ba7c2b7d Author: zeertzjq <zeertzjq@outlook.com> Date: Sat Jun 3 22:08:33 2023 +0100 patch 9.0.1603: display wrong if scrolling multiple lines with 'smoothscroll' Problem: Display wrong when scrolling multiple lines with 'smoothscroll' set. Solution: Redraw when w_skipcol changed. (closes #12477, closes #12468)

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