Yes, and this is the reason why I came looking for experience of other parents
My son had a friend: Vince, he came regularly over to play at ours, or my son at theirs.
Recently I noticed he'd no come to visit us for a while, so I asked my son. After some tenuous moments my son said: "Well, she is now Vanessa"
"Is she still welcome to come here ?"
Well of course she is ! And how would I approach here ? Well, she;s Vanessa now isn't she ? Should I tell her that she is he : "No Vanessa, you got it all wrong, your Vince, you just have to be happy in the body you were given and behave like a man !"
If I did that, knowing my son, oh, how angry he would be with me. My son is kindhearted friendly, he even does the dishes without me needing to ask. Go figure :-)
If I did, should Vanessa be willing to come to our place, would she feel welcome.
At school, should I tell my son to stay away from "him" and not call her "her" ?
Vanessa when she did visit us again was in fact happy, not broken, just herself. And she befriended my daughter as well :-)