[r6rs-discuss] libraries are parameters (was set-car!)

[AndrevanTonder]

On Fri, 29 Jun 2007, Lynn Winebarger wrote:

> On 6/27/07, AndrevanTonder <andre at het.brown.edu> wrote:
>
>> On Wed, 27 Jun 2007, Lynn Winebarger wrote:
>>
>> > Is there
>> > a section giving conditions that guarantee portability of code, rather than
>> > intermittently declaring when it isn't?
>> 
>> The note at the end of 7.2 has a very limited guarantee.
>
>
> If you mean:
>
> Thus, a library is portable only when it references identifiers in phases
> consistent with the declared levels ....

No, I was referring to the footnote referring to avoidance of the FOR
form, but on a second reading, I now notice that it does not actually
address portability.  Sorry about the confusion.

> then it needs to be rewritten.  As it stands it provides no guarantee of
> portability, only a warning of properties that are necessary for portability
> but not necessarily sufficient.

I agree.  The sentence states a necessary condition as if it were
sufficient, which is obviously wrong.  (By the way, I am not an editor.)

Regards
Andre