patch 9.0.1436: cannot compare a typed variable with v:none Commit: https://github.com/vim/vim/commit/2ed57ac3675624b9d943d7753f48855e5dbebdbb Author: Bram Moolenaar <Bram@vim.org> Date: Sat Apr 1 22:05:38 2023 +0100 patch 9.0.1436: cannot compare a typed variable with v:none Problem: Cannot compare a typed variable with v:none. Solution: Allow for "x is v:none" and "x isnot v:none". (issue https://github.com/vim/vim/issues/12194)

/* vi:set ts=8 sts=4 sw=4 noet:
 *
 * VIM - Vi IMproved	by Bram Moolenaar
 *
 * Do ":help uganda"  in Vim to read copying and usage conditions.
 * Do ":help credits" in Vim to see a list of people who contributed.
 */

#ifdef PROTO
// cproto runs into trouble when these types are missing
typedef double _Float16;
typedef double _Float32;
typedef double _Float64;
typedef double _Float128;
typedef double _Float32x;
typedef double _Float64x;
#endif