patch 9.0.1589: filetype test contains too many special characters Commit: https://github.com/vim/vim/commit/b140c114f641ac4cd4fb04e7bdec031295264a8d Author: Bram Moolenaar <Bram@vim.org> Date: Mon May 29 17:06:05 2023 +0100 patch 9.0.1589: filetype test contains too many special characters Problem: Filetype test contains too many special characters. Solution: Use Vim9 syntax for a few things.

TYPEMAP
VIWIN	T_VIOBJNOMUNGE
VIBUF	T_VIOBJNOMUNGE

INPUT
T_VIOBJNOMUNGE
	if (sv_isa($arg, \"${ntype}\")) {
	    IV tmp = SvIV((SV*)SvRV($arg));
	    $var = INT2PTR($type, tmp);
	    if (!tmp)
		croak(\"$ntype no longer exists\");
	}
	else
	    croak(\"$var is not of type ${ntype}\")