patch 8.1.0241: effect of ":tabmove N" is not clear commit https://github.com/vim/vim/commit/7cc596547a582e7bc18d91312eb674906ebdc5c2 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Aug 7 13:14:46 2018 +0200 patch 8.1.0241: effect of ":tabmove N" is not clear Problem: Effect of ":tabmove N" is not clear. Solution: Add a test that shows the behavior. (Christian Brabandt, closes #3288)