patch 8.1.2106: no tests for dragging the mouse beyond the window Commit: https://github.com/vim/vim/commit/b4367b7fb65f6a88f76ef99f79342341af0b1017 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Oct 1 14:19:07 2019 +0200 patch 8.1.2106: no tests for dragging the mouse beyond the window Problem: No tests for dragging the mouse beyond the window. Solution: Add a test. (Dominique Pelle, closes https://github.com/vim/vim/issues/5004)