patch 9.0.0734: cursor position invalid when scrolling with 'smoothscroll' Commit: https://github.com/vim/vim/commit/2fbabd238a94022c99506e920186a5b6cdf15426 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Oct 12 19:53:38 2022 +0100 patch 9.0.0734: cursor position invalid when scrolling with 'smoothscroll' Problem: Cursor position invalid when scrolling with 'smoothscroll' set. (Ernie Rael) Solution: Add w_valid_skipcol and clear flags when it changes. Adjust w_skipcol after moving the cursor.

" Vim filetype plugin file
" Language:             Prolog
" Previous Maintainer:  Nikolai Weibull <now@bitwi.se>
" Latest Revision:      2008-07-09

if exists("b:did_ftplugin")
  finish
endif
let b:did_ftplugin = 1

let s:cpo_save = &cpo
set cpo&vim

let b:undo_ftplugin = "setl com< cms< fo<"

setlocal comments=s1:/*,mb:*,ex:*/,:% commentstring=%\ %s
setlocal formatoptions-=t formatoptions+=croql

let &cpo = s:cpo_save
unlet s:cpo_save