commit https://github.com/vim/vim/commit/426dd0219512af5f4abeb0901b533159253ffba3 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Mar 15 15:09:29 2016 +0100 patch 7.4.1570 Problem: There is no way to avoid the message when editing a file. Solution: Add the "F" flag to 'shortmess'. (Shougo, closes https://github.com/vim/vim/issues/686)

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}\")