5th Jun 2021, 6:00 AM in Magical Mystery Cure
This page brought to you by the realization that I've made this mistake myself multiple times by now, and an attempt to research a definitive answer revealing that multiple official sources are inconsistent! So heck with it, I'm making it canon now. It will never be consistent as long as I have anything to say about it.
Transcript:
Twilight Sparkle: In that case, I'm just gonna… go home and take a look at Star Swirl the Bearded's spell there. Wait, is it Starswirl, or… Is it two words or one?
DM: Uh… y'know, I get it mixed up myself, to be honest. I wrote this lore a while ago.
Twilight Sparkle: Well, aren't you the one who can just… y'know, decide?
DM: I could do that… OR… I could see it being a matter of some debate among historians.
Twilight Sparkle: But… Celestia! Didn't she know him in the past?
Princess Celestia: When I asked him, he just told me he'd given up on correcting people.
Applejack: Truly one o' the great schisms of the Star Swirl the Bearded fandom.
DM: Pffft.
Rainbow Dash: BAAAHAHAHA! There's a Starswirl the Bearded fandom?!
DM: There is one now!
Twilight Sparkle: Am I… /in/ the Star Swirl the Bearded fandom…?
DM: Well, you did dress up as him for Nightmare Night…