DOXIA-277, it will be great if we could specified doctypes for some xml files. For instance, docbook integration supports  but a newer version exists 
- how to be sure that the generated skin is again valid? For strict xhtml, we could handle the sink but for docbook?
|Field||Original Value||New Value|
|Project Import||Sun Apr 05 09:30:24 UTC 2015 [ 1428226224715 ]|
|Workflow||jira [ 12719721 ]||Default workflow, editable Closed status [ 12748456 ]|
|Project Import||Sun Apr 05 23:17:25 UTC 2015 [ 1428275845026 ]|
|Workflow||jira [ 12956953 ]||Default workflow, editable Closed status [ 12993882 ]|