patch 8.0.1254: undefined left shift in gethexchrs() commit https://github.com/vim/vim/commit/4c22a91d20cce4f28dd2852a13129b5a4cc691da Author: Bram Moolenaar <Bram@vim.org> Date: Thu Nov 2 22:29:38 2017 +0100 patch 8.0.1254: undefined left shift in gethexchrs() Problem: Undefined left shift in gethexchrs(). (geeknik) Solution: Use unsigned long. (idea by Christian Brabandt, closes https://github.com/vim/vim/issues/2255)