Handle spaces and commas as initiator seperators.

Or spaces and commas together.

But not interchangably in the same string.

So this works:

eq1,eq2,eq3

And this:

eq1 eq2 eq3

And this:

eq1, eq2, eq3

Or this:

eq1
eq2
eq3

But this is right out:

eq1,eq eq3

Ticket: #6987