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The app adopts all edit permission on child pages (if not subject to another branch holding an edit permission inheritance) to match the parent page (the page the edit permission inheritance starts). The options selected modify the way the app does this.
When pages are added to the branch covered by an "edit permission inheritance" their edit permission set is modified to match the inheritance.
When pages are moved into a branch covered by an "edit permission inheritance" their edit permission set is modified to match the inheritance.
The app uses the closest active "edit permission inheritance". This allows you to define additional "edit permission inheritances" below other ones.
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