patch 8.0.1312: balloon_show() only works in terminal when compiled with GUI commit https://github.com/vim/vim/commit/c3719bd87beca9f72d2e9f11e36d561c2c3b57b0 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Nov 18 22:13:31 2017 +0100 patch 8.0.1312: balloon_show() only works in terminal when compiled with GUI Problem: balloon_show() only works in terminal when compiled with the GUI. Solution: Add FEAT_BEVAL_GUI and refactor to move common code out of the GUI specific file.