while generating a docx document in PHPWord, I have a couple of footnotes that I need to add. I can change the paragraph/character style of different footnotes content, but footnote reference marks are always a FootnoteReference style. I can modify it, but I need footnote reference marks in different styles (some bold, some italic, some both etc.). Is it possible to assign footnote reference mark with a style different than FootnoteReference? Thanks.