patch 8.2.3276: Vim9: exists() can only be evaluated at runtime Commit: https://github.com/vim/vim/commit/bb7ee7abe1ea1e60b8a5dadd2bed8cdbe4f3e8fb Author: Bram Moolenaar <Bram@vim.org> Date: Mon Aug 2 20:06:50 2021 +0200 patch 8.2.3276: Vim9: exists() can only be evaluated at runtime Problem: Vim9: exists() can only be evaluated at runtime. Solution: Evaluate at compile time for option name literals. (closes https://github.com/vim/vim/issues/8437)