bug#57397: cl-letf blindly macroexpands places

[Michael Heerdegen]

Eli Zaretskii <eliz@gnu.org> writes:

> The original text was somewhat more self-explanatory:
>
>  To avoid syntactic redundancy, when @var{expander} is of the form
>  @code{(lambda (@var{arg}) @var{body})} the function's formal arguments
>  are automatically added to the lambda's list of arguments.
>
> This explains the reason, and actually reverses the cause and the
> effect, which then make sense.  (Although the issue with the form of
> lambda still stands.)

Hmm - I liked that wording more, too.

> What am I missing?

We needed to say more clearly that the given lambda form must have an
argument list of exactly one argument.

Michael.