Add flextable at a bookmark location in document's footer
Source:R/body_add_flextable.R
footers_flextable_at_bkm.Rdreplace in the footer of a document a paragraph containing a bookmark by a flextable. A bookmark will be considered as valid if enclosing words within a paragraph; i.e., a bookmark along two or more paragraphs is invalid, a bookmark set on a whole paragraph is also invalid, but bookmarking few words inside a paragraph is valid.