* Regression tests for a receipt body read under a data_coding it is not written in
* Read a delivery receipt's body as the octets that arrived, not by its data_coding
* Assert SMPPSim's UCS2 receipt body parses like every other segment's
* Record the receipt-body defect as fixed
* Retain a multipart segment's octets once, not twice
* Sort the new type import into its file's order
* Regression tests: a PDU the codec cannot read costs that PDU, not the link
* Refuse a single unreadable PDU instead of the whole link
* smscsim interop asserts the first attempt gets every DLR
* Record the smscsim sequence number defect as fixed
* One framing rule and one response-command lookup, per the architecture review
* Apply the stability review's nits: honest sessionError docs and one link-survives assertion