Parse parent string into structured format
Syntax:
-
=
-=
.
page-name
Returns undefined for empty/whitespace-only input.
Parse parent string into structured format
Syntax:
-: orphan pages (no parent)=: sibling pages (same parent as current)-=: pages with different parent.: children of current pagepage-name: children of specific pageReturns undefined for empty/whitespace-only input.