patch 8.2.1616: Vim9: cannot pass "true" to synID() Commit: https://github.com/vim/vim/commit/fcb6d7082d563acc33866b3d3a659c32ad19a9e1 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Sep 5 21:41:56 2020 +0200 patch 8.2.1616: Vim9: cannot pass "true" to synID() Problem: Vim9: cannot pass "true" to synID(). Solution: Use tv_get_bool_chk(). (closes https://github.com/vim/vim/issues/6860)