Attempt to remove warning about trailing whitespace.
- patch to log creates keytag queries, from A. Schulze.
- patch suggested by Debian lintian: allow to -> allow one to, from
A. Schulze.
+ - Attempt to remove warning about trailing whitespace.
6 March 2018: Wouter
- Reverted fix for #3512, this may not be the best way forward;
