But punctuation rules might be very different, e.g. in Spanish ordinal numerals are supposed to have a dot to denote that it's a contraction: 1.º
Nowadays this seems to die down, but it still is in the rules:
Entre el número y la letra volada debe haber un punto.
There must be a period between the number and the superscript letter.
Yeah, frozen peas sounds pretty edible and even nice for current weather