* lisp/org-fold.el (org-fold-catch-invisible-edits-commands): New
custom option.
(org-fold-catch-invisible-edits): Mention the new custom option in the
docstring.
(org-fold-check-before-invisible-edit-maybe): New function checking
if edits are safe for `this-command'.
(org-fold--advice-edit-commands): New function advising the functions
with `org-fold-check-before-invisible-edit-maybe'.
* lisp/org.el (org-mode): Advice functions on Org startup.
(org-self-insert-command):
(org-delete-backward-char):
(org-delete-char):
(org-meta-return): Do not call `org-fold-check-before-invisible-edit'
and rely on the new advise mechanism instead.
* etc/ORG-NEWS (Commands affected by ~org-fold-catch-invisible-edits~
can now be customized): Announce the change.
* doc/org-manual.org (Catching invisible edits): Mention new
customization.