Was (in the goode olde days) cream soda just soda water with vanilla, or was there something else in it ?

It was soda (carbonated water) and vanilla syrup. So yea, I guess water and vanilla syrup.Was (in the goode olde days) cream soda just soda water with vanilla, or was there something else in it ?
It was merely the vanilla-flavoured equivalent of lemonade - but lovely over vanilla ice cream !Was (in the goode olde days) cream soda just soda water with vanilla, or was there something else in it ?
Bubbles
it was just soda water with vanilla because my grandfather told me about this