Merge command: [strheader-contenttype ]
Merge variable/item: strheadercontenttype

Comments:
For html content this is often used to fill the first line in the head section of an html page, with a metatag for the charset that was used to generate the page. The setting is present on the website document in item ntf_contentType.

Formula:
@text(strheadercontenttype) or head_contenttypeComputed+@NewLine

Example: