Re: 5.2 work3 manual

["Alex Davies" <alex.mania@...>]

> As I pointed out, it would also make the manipulation of "mixed tables"
> (tables with arrays plus some extra fields) quite tricky.
>
> -- Roberto

At the cost of more complexity to the vm, it could be the made the count of 
(non-nil) numeric keys.

My only complaint is that besides from the #+1 speedup, it'd probably have 
even less actual use then the current behaviour (which as we were shown has 
been used for finding unique ids).

- Alex