self.append(register)
+HEAD_CONTENT = 'HEAD_CONTENT'
HEADER_LINKS = 'HEADER_LINKS'
PAGE_TOP_TABS = 'PAGE_TOP_TABS'
FOOTER_LINKS = 'FOOTER_LINKS'
__CONTAINER = {
+ HEAD_CONTENT: Registry(),
HEADER_LINKS: Registry(),
PAGE_TOP_TABS: Registry(),
FOOTER_LINKS: Registry(),