``O`` (any value) [json_t \*]
Like ``o``, but the argument's reference count is incremented.
- This is useful if you pack and array an array or object and want
- to keep the reference for the JSON value consumed by ``O`` to
+ This is useful if you pack into an array or object and want to
+ keep the reference for the JSON value consumed by ``O`` to
yourself.
``[fmt]`` (array)