commit https://github.com/vim/vim/commit/d8b554904d18fe19bd9fa79dbda880845cb017d2 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Sep 1 14:35:22 2016 +0200 patch 7.4.2297 Problem: When starting a job that reads from a buffer and reaching the end, the job hangs. Solution: Close the pipe or socket when all lines were read.

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}\")