On Sun, 15 Aug 1999 15:33:12 +0930 (CST)  Brett Lymn wrote:

> Perhaps we should look at using ctm?  I know that this was proposed
> before and there were some issues with the deltas not having copyright
> information in them but surely we can make it a condition of signing
> up for the deltas that you are bound by the copyright of the file the
> delta is applied to regardless of the contents of the delta.

Attaching a message such as source-changes uses might help, too:

| Please note that diffs are not public domain; they are subject to
| the copyright notices on the relevant files.

This could be done trivially for the mailed messages, and with simple
changes to the ctm software if it were felt necessary/desirable to
have such text within the deltas.

Regards,

Giles