Support headers above processing root
- Rewrite with XML chunks
- Have accessible with processing (already implemented for DME support?)
(from redmine: issue id 1142, created on 2018-08-11tgradl, closed on 2018-08-13)
- Relations:
- relates #1143
(from redmine: issue id 1142, created on 2018-08-11tgradl, closed on 2018-08-13)