patch 8.0.1668: terminal debugger: can't re-open source code window commit https://github.com/vim/vim/commit/c4b533e1e93151658cb170c6796d327a8c0f8612 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Apr 6 22:26:25 2018 +0200 patch 8.0.1668: terminal debugger: can't re-open source code window Problem: Terminal debugger: can't re-open source code window. Solution: Add the :Source command. Also create the window if needed when gdb stops at a source line.