Stefan Monnier <monnier@IRO.UMontreal.CA> writes:

> Looks good, but please add a comment before the call to macroexpand-all
> reminding that lexical-let installs a macroexpander for `function` that
> ends up calling cl--labels-convert.

Ok, I extended the docstrings of cl-labels and cl-flet a bit and added a
test too.