patch 8.1.0677: look-behind match may use the wrong line number commit https://github.com/vim/vim/commit/866f3558141aa68862aa2fedbb7747bf2365e838 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jan 1 22:19:08 2019 +0100 patch 8.1.0677: look-behind match may use the wrong line number Problem: Look-behind match may use the wrong line number. (Dominique Pelle) Solution: Use the line number in regsave instead of the one in behind_pos, we may be looking at the previous line. (closes #3749)