> Hello, All.
> This is taken from manual:
> The lambda construct
> with n internal variables takes n + 1 children. The first
> (second, up to n) is a _bvar_ containing the identifiers of the
> internal variables.
> This is also taken from manual:
> <declare type="fn">
> <ci> J </ci>
> <lambda><ci> x </ci>
> <ci> x </ci>
This is definitely an error in the Recommandation (as you would have
guessed...). The "bvar" element is mandatory. Sorry for that.