tests/data/spec-10-11.data - third_party/pyyaml - Git at Google

 [
 ? explicit key1 : explicit value,
 ? explicit key2 : , # Explicit empty
 ? explicit key3,     # Implicit empty
 simple key1 : explicit value,
 simple key2 : ,     # Explicit empty
 ]
	[
	? explicit key1 : explicit value,
	? explicit key2 : , # Explicit empty
	? explicit key3, # Implicit empty
	simple key1 : explicit value,
	simple key2 : , # Explicit empty
	]