Over on the Back Issue Facebook group, there is some contention that Alan Moore and Brian Bolland's groundbreaking and influential Batman: The Killing Joke (1988) was originally intended to be an early Elseworlds story with no consequences in the regular DC continuity.
Despite DC putting out Batgirl Special #1 (Jl'88), actually titled "The Last Batgirl Story" and a crippled Barbara Gordon first appearing as Oracle in Suicide Squad #23 (Ja'89), some have stated that it was the book's popularity that somehow forced DC to consider it canon.
Had the book been crafted as an Elseworlds, i.e. an Imaginary Story, why would Moore and editor Len Wein need permission from DC's higher ups to cripple Barbara Gordon, given the multitude of deaths seen in later Elseworlds titles?
Also, the removal of Barbara Gordon as Batgirl made room for the new Huntress book which started with its #1 in April 1989.
Have any of you heard that BTKJ was initially a Elseworlds?