Format for attributes with no value

When setting an attribute with no value of a mesos-agent is the colon needed, optional, or must it be omitted? It's not clear from the documentation. For example, which line or lines below are correct? att1:val1;att2;att3:val3 att1:val1;att2:;att3:val3

Re: Framework change role

Thank you very much! I will read everything! > On 5 Jul 2017, at 19:04, Gabriel Hartmann wrote: > > * Maybe have a look at the DefaultScheduler there as well, if you're just > trying to get things building and off the ground >