Assertion: level heading | /r/CapableOf | end with period
Facets:
Source sentences:
text: Fourth-level headings are indented or tabbed once from the left margin, in bold font, in Title Case for capitalization, and end with a period.
text: Fifth-level headings are tabbed once from the left margin, in bold and italic font, in Title Case for capitalization, and end with a period.