Vienna Bread News Today

A more than 100 year old Detroit bread company that stopped delivering to local retails stores has resumed delivery this weekend to some stores.

Is it possible to make the Vienna Bread on pages 280 to 283 of the second (15th Anniversary Edition) Peter Reinhart's Bread Baker's Apprentice without the egg, please? Can I just omit the egg's 47 grammes, 13.8% of baker's percentage? Would a vegan egg substitute such as potato starch or (arrowroot) thickener work? I'd be grateful to know of anyone's success or failures with