3. LEXICAL ANALYSIS OF MESSAGES

• 3.1. GENERAL DESCRIPTION
  • 3.1.1. LONG HEADER FIELDS
  • 3.1.2. STRUCTURE OF HEADER FIELDS
  • 3.1.3. UNSTRUCTURED FIELD BODIES
  • 3.1.4. STRUCTURED FIELD BODIES
• 3.2. HEADER FIELD DEFINITIONS
• 3.3. LEXICAL TOKENS
• 3.4. CLARIFICATIONS
  • 3.4.1. QUOTING
  • 3.4.2. WHITE SPACE
  • 3.4.3. COMMENTS
  • 3.4.4. DELIMITING AND QUOTING CHARACTERS
  • 3.4.5. QUOTED-STRINGS
  • 3.4.6. BRACKETING CHARACTERS
  • 3.4.7. CASE INDEPENDENCE
  • 3.4.8. FOLDING LONG HEADER FIELDS
  • 3.4.9. BACKSPACE CHARACTERS
  • 3.4.10. NETWORK-SPECIFIC TRANSFORMATIONS