patch 8.0.0987: terminal: second byte of double-byte char wrong commit https://github.com/vim/vim/commit/d2c45a1964ddb0d9ac16c9c985051fab41f37840 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Aug 22 22:29:00 2017 +0200 patch 8.0.0987: terminal: second byte of double-byte char wrong Problem: terminal: second byte of double-byte char wrong Solution: Set the second byte to NUL only for utf-8 and non-multibyte.

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}\")