Anyone know what this branch is for / where it appeared from?

http://anonsvn.jboss.org/repos/messaging/branches/Branch_1_4_0_SP/

BTW the EAP CP branch is:

http://anonsvn.jboss.org/repos/messaging/branches/Branch_JBossMessaging_1_4_0_SP3_CP/

I will delete it if no-one owns up.