patch 8.0.0248: vim_strcat() cannot handle overlapping arguments commit https://github.com/vim/vim/commit/45600ce8f2bead069882032f992623cd5a799ca0 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jan 27 21:54:07 2017 +0100 patch 8.0.0248: vim_strcat() cannot handle overlapping arguments Problem: vim_strcat() cannot handle overlapping arguments. Solution: Use mch_memmove() instead of strcpy(). (Justin M Keyes, closes #1415)