Item Name Can't be Single Number

Imported From: http://groups.google.com/group/in-portal-dev/browse_thread/thread/7c6768a1692cf873#

Hello guys,

it appears that an item name can't be a single number, like "1" for example. It's not a bug, as I don't see any point to have a link or product named like this, but may we should regexp-check (try to read it loudly ^-^) items names on validation.

phil