Re: Why (substring "abc" 0 4) does not return "abc" instead of an error?

[Stefan Monnier]

> I see the benefit of having 

>   (substring "abc" 0 4)
>     => "abc"

> in terms of simplifying Elisp writing -- and I still fail
> to see the harm (but maybe Pascal will tell me where he has
> been bitten by this.)

I don't think such a semantics is harmful, indeed.  It's just different,
and I don't think this issue affects enough code that it's worth
changing from one to the other, nor is it worth adding a special
argument for it.


        Stefan