4. Recommendations

This section describes the syntax for URIs as used in the World Wide Web initiative. The generic syntax provides a framework for new schemes for names to be resolved using as yet undefined protocols.

• 4.1. URI syntax
  • 4.1.1. Reserved characters
  • 4.1.2. Unsafe characters
  • 4.1.3. Encoding reserved characters
  • 4.1.4. Partial (relative) form
  • 4.1.5. Fragment-id
• 4.2. Specific Schemes
  • 4.2.1. HTTP
  • 4.2.2. FTP
  • 4.2.3. Gopher
  • 4.2.4. Mailto
  • 4.2.5. News
  • 4.2.6. Telnet, rlogin, tn3270
  • 4.2.7. URN
  • 4.2.8. WAIS
  • 4.2.9. file
  • 4.2.10. Message-Id
  • 4.2.11. Content-Id
  • 4.2.12. Schemes for Further Study
  • 4.2.13. Prospero
• 4.3. Registration of naming schemes
• 4.4. BNF of Generic URI Syntax
• 4.5. BNF for specific URL schemes