2022-04-07 UTC
# 
Caesar[m] Hey all, hope this is the right place to ask… can anyone tell me what the `p-` and `u-` prefixes on h-card properties are? Doesn't seem to be documented anywhere. I'm guessing a data type because most of the `u-` seem to be URLs, and I also see `dt-bday` which is obviously a date. But I can't think what data type `p-` could be…