Autonum

E = mc² (1) And \ref{eq:emc} → 1 . If you meant a specific existing package called autonum (e.g., from LaTeX or a programming library), let me know which one, and I’ll give you its instead of a proposal.

It sounds like you're asking for a or suggested feature for something called "autonum" — likely a package, script, or system for automatic numbering (e.g., in LaTeX, Markdown, documents, or code comments).