commit https://github.com/vim/vim/commit/17fe5e1aecbeff5ca4b2a821ede9badd5dddae59 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Apr 4 22:03:08 2016 +0200 patch 7.4.1710 Problem: Not all output of an external command is read. Solution: Avoid timing out when the process has exited. (closes https://github.com/vim/vim/issues/681)

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}\")