patch 8.1.0527: using 'shiftwidth' from wrong buffer for folding commit https://github.com/vim/vim/commit/0c27cbcacf0f58ad30f0b15d1f442f73f40347c2 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Nov 14 21:45:32 2018 +0100 patch 8.1.0527: using 'shiftwidth' from wrong buffer for folding Problem: Using 'shiftwidth' from wrong buffer for folding. Solution: Use "buf" instead of "curbuf". (Christian Brabandt)