EDIT

fix #9175 map detects empty kml layer and removes itself

ref #8543 option to block footnote list key to avoid foonote keys in odd places like warnings

ref #8543 moving more *_footnote_markup() to footnotes.inc

ref #8543 moving name_relationship_footnote_markup() to footnotes.inc

ref #8543 testing for erroneous usage of the dafault footnoteListKey

ref #8543 refactoring: renaming variables & moving functions to other files

ref #8543 fix missing footnoteListKey default fallback

ref #8543 complete removal of annotation footnote code, also removing deprecated methods

ref #8543 testing for FOOTNOTE_KEY_SUFFIX_ANNOTATIONS in use by throwing an exception

ref #8543 introducing default footnoteListKey in RenderHints