patch 8.0.0167: str2nr()/str2float() fail with negative values commit https://github.com/vim/vim/commit/08243d26d22ad44a857d02c90071578577b8a55d Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jan 10 16:12:29 2017 +0100 patch 8.0.0167: str2nr()/str2float() fail with negative values Problem: str2nr() and str2float() do not always work with negative values. Solution: Be more flexible about handling signs. (LemonBoy, closes https://github.com/vim/vim/issues/1332) Add more tests.