2019-01-01 UTC
# ↩️ Yes you could also call them scoping mechanisms, there are "h-", "p-", "u-", "dt-" and "e-" prefixes, the fact that they have "special meaning" in microformats, it's a mechanism that binds arbitrary strings to a definition (an object), a namespace. ( twitter.com/_/status/1080101863775784960)