Log Message:
Update to 2.216

Upstream changes:
2.216     2018-06-06 11:47:52-04:00 America/New_York
        - no changes since v2.215

2.215     2018-05-04 16:21:28+10:00 Australia/Melbourne (TRIAL RELEASE)
        - do not re-fold folded lines (Marc Bradshaw)