From: Brad Templeton (brad@main.templetons.com)
Date: Mon Nov 08 1999 - 13:37:38 CST
On Mon, Nov 08, 1999 at 11:32:02AM +0000, Charles Lindsey wrote:
> In <19991105171904.42143@main.templetons.com> Brad Templeton <brad@main.templetons.com> writes:
>
> >The key here is that you don't allow use of extensions somewhere it might
> >break an old parser, but surely that doesn't apply to a new control message,
> >which can't possibly be being parsed by an older parser.
>
> But control messages are just part of the Control header. If existing
> parsers first parse the Control header, expecting just to find a verb and
> a few parameters separated by whitespace, which they then pass on to
> specific code for each verb, then you can't suddenly expect to add new
> syntax for a new verb that is not consistent with the existing model.
Yes, of course the syntax of having a verb and then arguments remains.
This fortunately, is not incompatible with the MIME syntax so why would there
be an issue?
The old syntax of the control header defines no form at all for what's
after the verb. We're defining one, for new control messages.