patch 8.0.0956: scrolling in a terminal window has flicker commit https://github.com/vim/vim/commit/cfce71710b6a2e1fb7f7f27d2a359e4b926f3af9 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Aug 17 20:31:48 2017 +0200 patch 8.0.0956: scrolling in a terminal window has flicker Problem: Scrolling in a terminal hwindow as flicker when the Normal background differs from the terminal window background. Solution: Set the attribute to clear with.

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}\")