Technically, that is what we used to call "reinjection". Now it is called
"Gatewaying after the fact", which is a bit of a mouthfull. Neither term
really indicates that the person/entity doing it may be completely
unaware that either multiple- or re-injection is taking place.
How could you not be aware that multiple injection is taking place? Some
agent involved in the process clearly *does* know this unless the multiple
injection is being done manually by a human, in which case the *human*
knows this. You're starting with an existing news article rather than
with a blank screen and an editor; that's a pretty obvious difference.