Richard Stallman <rms@gnu.org> writes:

> [[[ To any NSA and FBI agents reading my email: please consider    ]]]
> [[[ whether defending the US Constitution against all enemies,     ]]]
> [[[ foreign or domestic, requires you to follow Snowden's example. ]]]
>
> Maybe we can add 'constantly' to Emacs outside the cl package.

Do you mean as a standard documented function, in subr.el?  Or maybe in
subr-x.el?

Nico