Bug#704821: debbugs: bug submission does not accept "Version: package/1.2-3" pseudo header

The BTS webpage for the bug contains the following "useless message":

[...]
Acknowledgement sent to Andreas Beckmann <[email protected]>:
New Bug report received and forwarded. Copy sent to Debbugs developers
<[email protected]>.

Your message had a Version: pseudo-header with an invalid package version:

debbugs/2.4.1

please either use found or fixed to the control server with a correct
version, or reply to this report indicating the correct version so the
maintainer (or someone else) can correct it for you.

(Sat, 06 Apr 2013 12:03:06 GMT) Full text and rfc822 format available.
[...]

But this "error" is not included to the Acknowledgement mail:

On 2013-04-06 14:03, Debian Bug Tracking System wrote:
> Thank you for filing a new Bug report with Debian.
>
> This is an automatically generated reply to let you know your message
> has been received.
>
> Your message is being forwarded to the package maintainers and other
> interested parties for their attention; they will reply in due course.
>
> Your message has been sent to the package maintainer(s):
>  Debbugs developers <[email protected]>
>
> If you wish to submit further information on this problem, please
> send it to [email protected].
>
> Please do not send mail to [email protected] unless you wish
> to report a problem with the Bug-tracking system.


Andreas