{"bug16d", "{{'x'|printf}}", "", tVal, false},
	{"bug16e", "{{0i|printf}}", "", tVal, false},
	{"bug16f", "{{true|twoArgs \"xxx\"}}", "", tVal, false},
	{"bug16g", "{{\"aaa\" |twoArgs \"bbb\"}}", "twoArgs=bbbaaa", tVal, true},
	{"bug16h", "{{1|oneArg}}", "", tVal, false},
	{"bug16i", "{{\"aaa\"|oneArg}}", "oneArg=aaa", tVal, true},
	{"bug16j", "{{1+2i|printf \"%v\"}}", "(1+2i)", tVal, true},

		// do a good job of ensuring that writes to the same pipe through
		// different file descriptors are delivered whole, so that writing
		// AAA to stdout and BBB to stderr simultaneously produces
		// AAABBB or BBBAAA on the pipe, not something like AABBBA.
		// However, the exception to this is when the pipe fills: in that
		// case, Go's use of non-blocking I/O means that writing AAA