Proposal for issue 27

In chapter 2 (lines 183-185) replace

It requires that the sequence observed by the ultimate receiver be non-decreasing.

with

It requires that the messages within a Sequence will be delivered to the ultimate receiver in a non-decreasing order.

or

It requires that the messages within a Sequence will be delivered in a non-decreasing order.

We should also consider writing Sequence with capital S at line 176.

.Andreas