Alex Shinn <xxxxxx@gmail.com> writes:

> Is there a particular reason FILE-OPTIONS is a macro?

Yes; to allow future (keyworded) extensions. See Sebastian Egner's
posts on the matter.

> Should there be a FILE-OPTIONS-DIFFERENCE in addition to
> FILE-OPTIONS-UNION?

Maybe.  You want to make a case for it?

> The option "append" is described as
>
>   writes are appended to existing contents
>
> What happens if we then seek to the begining of the file and write?
> Does it perform a seek to the end before every write as in POSIX,
> or on some platforms may this simply start the output at the end
> of the file?

Erh, good point, I didn't realize POSIX behaves that way.  What would
you suggest it should be?

--
Cheers =8-} Mike
Friede, Völkerverständigung und überhaupt blabla