commit https://github.com/vim/vim/commit/f48aa160fdd7b8caa7678e1a2139244dd2bdc547 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jan 24 17:54:24 2016 +0100 patch 7.4.1168 Problem: This doesn't give the right result: eval(string(v:true)). (Nikolay Pavlov) Solution: Make the string "v:true" instead of "true".

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}\")