[tei-council] Make repository optional in msIdentifier

[Sebastian Rahtz]

the Roma om tei.oucs.ox.ac.uk should now be using the patched 1.4.0;
it is suggested that we wait a week to release a 1.4.1, in case there are
other problems

-- 
Sebastian Rahtz      
Information Manager, Oxford University Computing Services
13 Banbury Road, Oxford OX2 6NN. Phone +44 1865 283431

Sólo le pido a Dios
que el futuro no me sea indiferente