LaTeX.org

Yes, this is very good! Thank you, frabjous!

How can you label a complete subeqblock? Something like the following (that doesn't work):

\begin{document}
\begin{align}
1+1&=2\\
2+2&=4\\
\newsubeqblock\label{eq:block}
\mysubeq 3+3&=6 \\
\mysubeq 3+3&=4+2 \\
4+4&= 8
\end{align}
\end{document}

This ...