Assertion: symbol's character | /r/IsA | emoji
Facets:
value: subsequently
type: TEMPORAL
Source sentences:
text: Unicode included several characters which would subsequently be classified as emoji, including some from North American or Western European sources such as ITC Zapf Dingbats or DOS code page 437, but had not incorporated the Japanese cellular emoji characters.
text: These were added in Unicode 5.2 in 2009, a year before the cellular emoji sets were fully added; they include several characters which either also appeared amongst the cellular emoji or were subsequently classified as emoji.