- 1.1. What are they and their purpose?
- 1.2. Where are they defined?
- 1.3. How many are there?
- 1.4. How do they group?
- 1.5. Which prefix do they use?
- 1.6. Which parameters do they use?
- 2.1. What are they and their purpose?
- 2.2. Where are they defined?
- 2.3. How many are there?
- 2.4. Which parameters do they use?
- 2.5. When are they invoked?
- 3.1. Where are they defined?
- 3.2. How are they read?
- 4.1. What are they and their purpose?
- 4.2. Where are they defined?
- 4.3. How many are there?
- 5.1. What are they and their purpose?
- 5.2. Where are they defined?
- 5.3. How many are there?
For more details, check out the issues here.