retainall ‘;’ LIST ‘;’ LIST | bnd

- Getting Started
- Concepts and Practices
- Build and Development
- Dependency and Launching
- Testing
  - Testing
  - Testing with Launchpad
- Packaging and Distribution
- Documentation and Tools
- Reference Material
- Configuration and Troubleshooting
  - Settings
  - Errors
  - Warnings
retainall ';' LIST ';' LIST
Macro

Return the first list where items not in the second list are removed.