Further reading and some rationale for these changes can be found at:
https://tools.ietf.org/html/draft-knodel-terminology-04
All changes are intended to be editorial in nature, not break existing
wire protocols, and not alter the meanings of any text.
Incorporate feedback from OMEMO sprint
Improvements to wording and further example of exceptional elements
Content of rpad does not need to be limitted to base64
Credit where credit is due
Use author shortcut
Limit store hint rules MUST to chat messages only
Add revision block
