Bookmark usability issues

[David Soria Parra]

>> Push should know about bookmarks, and provide an option to not push
>> bookmarked heads. "hg push --exclude-bookmarks" would allow one to
>> create a bunch of bookmarked branches, but only push the
>> non-bookmarked branches.
> A lot of people requested this feature. As bookmarks are not part of the 
> history, we can currently not send them over the wire. We have to 
> enhance the wireprotocol first. There was an attemp to do so, but as the 
> wire protocol has to be extremly stable, we have to be very careful with 
> those changes. There were some objections on the last attemp, and I 
> never had the time to start over with that patch.

Sorry I missunderstood your here. Makes sense to have such a flag. But I 
don't know what other people think about an extension adding flags to 
core commands.

David