Documentation issue, not app issue.
Noticed a typo and broken link in the Custom Navigation Markers section of the Navigation documentation page:
Link to section: Navigation | Drafts User Guide
Current
based on Navigation Patters
Links to: https://localhost:4000/docs/extending/development/syntax-format.html#navigation-patterns
Suggested
based on Navigation Patterns
Link to: https://docs.getdrafts.com/docs/extending/development/syntax-format#navigation-patterns