Circled zero. Any real-world use cases? (opens in new tab)

Most of my typefaces include circled numerals in the character set. I’m currently drawing them for an upcoming family and started wondering about the usefulness of a circled zero.Has anyone encountered a real-world use case for it?The only one that comes to mind is when a font provides only single-digit circled numerals (①–⑨) and someone needs to compose numbers such as ①⓪, ②⓪, ③⓪, etc. by combining a circled 0 with another digit.Curious whether there are practical applications I’m missing.