- Linking classes/methods mentioned in PHPDoc with @see tags help devs
checking the PHPDoc to quickly navigate to the class/method mentioned
and also helps us ensure that it points to the correct class/method.
- Some typo/grammar fixes as well in existing PHPDoc descriptions.
- Fixed parameter type in execute()'s PHPDoc block.
Move the section visible logic to the format base class. This way format
plugins can decide whenever a section is visible or not instead of using
format custom settings from core.
The course index is the first UI component that implements the new
drawers and the reactive components. The course index uses the course
state to present the current course structure and changes whenever
that structure change.