I just checked Adobe Illustrator and it top/right/bottom/left aligns objects to the topmost/rightmost/bottommost/leftmost object.
This is also the behaviour that makes the most intuitive sense to me.
I just checked Adobe Illustrator and it top/right/ bottom/ left aligns objects to the topmost/ rightmost/ bottommost/ leftmost object.
This is also the behaviour that makes the most intuitive sense to me.