-contains a "string" payload. Each meta-data packet start with a special
-packet header, specific to the meta-data stream, which contains,
-exactly:
+contains a "sequence" payload, which is a sequence of bits using the
+"trace.packet.header.content_size" field as a placeholder for its length
+(the packet header size should be substracted). The formatting of this
+sequence of bits is a plain-text representation of the TSDL description.
+Each meta-data packet start with a special packet header, specific to
+the meta-data stream, which contains, exactly: