Finished implementing trackbacks. Didn’t take me too long all in all, and I managed to go the whole hog and implement auto-discovery too.
As a reference I used the MT sample implementation which was written in Perl and very easy to follow.
I would have had it live sooner but I spent most of the week in Sheffield on company business. 🙁
I have of course not been able to test it against the other main blogging tools so will have to keep a close eye on it to make sure it behaves.