See http://xkcd.com/1179/

D'oh


![](http://imgs.xkcd.com/comics/iso_8601.png)
I don't like this change.

MEP-001 is the formal identifier used in filenames. The title field in the metadata will be shown in the human-readable index, and does not have to follow the same structure. Zero-prefixed numbers are for machines, not humans.