THPDFHeadlessRichTextFontFamilyNames
THPDFHeadlessRichTextFontFamilyNames = array of UnicodeString;
Optional bounded labels used by THPDFHeadlessRichTextDecodeOptions.FontFamilyNames to enable explicit XHTML font-family selection
An empty array keeps the existing single-family profile; a configured array contains at most sixteen distinct nonempty labels corresponding to supplied actual font families