* lisp/org-fold-core.el (org-fold-core-save-visibility): Calculate
folds on runtime, not during macro expansion.
* testing/lisp/test-org.el (test-org/org-ctrl-c-ctrl-c): Add test
ensuring that outline visibility is preserved upon refreshing Org
setup.
Reported-by: Matt Lundin <mdl@imapmail.org>
Link: https://orgmode.org/list/87wn70tlcn.fsf@fastmail.fm