adf-codec/corpus/round-trip/inline-nodes/empty-keys.md

!adf:date{attrs=empty} !adf:date{content=empty}

a!adf:hardBreak{marks=empty}b

!adf:mention[@M]{content=empty id=x}

bare!adf:carry{json="{"marks":[],"text":"marked","type":"text"}"}

!adf:carry{json="{"marks":[{"attrs":{},"type":"em"}],"text":"x","type":"text"}"} and !adf:carry{json="{"attrs":{"shortName":"🅰️"},"marks":[{"attrs":{},"type":"strong"}],"type":"emoji"}"}