confusion: I6/I7 difference

Authoring Inform 7
#1

Are the infix verbs included in I7?

If so, how do I use them?

FYI my I7 version is Inform 7 build 6G60.

#2

Infix is not supported in I7. Infix doesn’t work for Glulx games in I6 either.

#3

Oh. k.