How to keep higher level headings visible in org-mode -

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in org-mode, there way keep higher level headings (superheadings, ancestors) visible move around buffer?

i have structure lots of headings @ same level , i'd keep higher level headings contain them, scrolling off top of window move point down list.

maybe horizontal split, point in lower window, , point's 'lineage' of headings in window above.

the built-in which-function-mode display name of "function" in mode line. org-mode level 1 headline. if want full lineage can add function which-func-functions change how which-function determines function name.


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