> When I was Technical Editor, the ISSUE was copyrighted by ACM (they told
> me), but the individual article copyrights were owned by the authors.  The
> implication was that any author was free to submit his or her article to
> another publication after it appeared in Ada Letters.
>
> I do not know whether the situation might have changed.

That is my understanding as well.

Pat Rogers
Technical Editor
Ada Letters