commit https://github.com/vim/vim/commit/e67d546f3c691139e6d3d33f36724d98aec04c14 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Aug 27 22:40:42 2016 +0200 patch 7.4.2275 Problem: ":diffoff!" does not remove filler lines. Solution: Force a redraw and invalidate the cursor. (closes https://github.com/vim/vim/issues/1014)

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}\")