A Formatter template consists of multiple “blocks”. Each block is marked with a bookmark (the bookmark contains the entire block). Bookmark names must be the same as in the original built-in template. A customized template must contain all bookmarks (blocks) present in the original. Bookmark names have the prefix “D2HDcmtr_” and the remainder of the name represents the part of the output (usually one paragraph) generated using this block of the template.
To see the blocks with their bookmarks, check the Bookmarks check box on the View tab of the Word Tools|Options dialog. Use the Bookmark dialog (Insert|Bookmark in Word menu) if you need to locate a bookmark.