patch 8.1.1223: middle mouse click test fails without a clipboard commit https://github.com/vim/vim/commit/564344ace9ef06b22e4e60a0196c41b410ac27da Author: Bram Moolenaar <Bram@vim.org> Date: Sun Apr 28 13:00:12 2019 +0200 patch 8.1.1223: middle mouse click test fails without a clipboard Problem: Middle mouse click test fails without a clipboard. Solution: Check if the clipboard can be used. (Dominique Pelle, Christian Brabandt) Also use WorkingClipboard() instead of checking for the "clipboard" feature.