d field references a page group or is embedded in a page
 group following the Begin Named Page Group structured field, it is associated
 with the page group. When a Tag Logical Element structured field is associated
 with a page group, the parameters of the Tag Logical Element structured field
 are inherited by all pages in the page group and by all other page groups
 that are nested in the page group. The scope of a Tag Logical Element is
 determined by its position with respect to other TLEs that referenc