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  This document lists documents and standards used by curl.
  
    RFC 959  - FTP Protocol
  
    RFC 1635 - How to Use Anonymous FTP
  
    RFC 1738 - Uniform Resource Locators
  
    RFC 1777 - Lightweight Directory Access Protocol (LDAP)
  
    RFC 1808 - Relative Uniform Resource Locators
  
    RFC 1867 - Form-based File Upload in HTML
  
    RFC 1950 - ZLIB Compressed Data Format Specification
  
    RFC 1951 - DEFLATE Compressed Data Format Specification
  
    RFC 1952 - GZIP File Format Specification
  
    RFC 1959 - LDAP URL Syntax
  
    RFC 2045-2049 - Everything you need to know about MIME! (needed for form
                    based upload)
  
    RFC 2068 - HTTP 1.1 (obsoleted by RFC 2616)
  
    RFC 2104 - Keyed-Hashing for Message Authentication
  
    RFC 2109 - HTTP State Management Mechanism (cookie stuff)
             - Also, read Netscape's specification at
               https://curl.haxx.se/rfc/cookie_spec.html
  
    RFC 2183 - The Content-Disposition Header Field
  
    RFC 2195 - CRAM-MD5 Authentication
  
    RFC 2229 - A Dictionary Server Protocol
  
    RFC 2255 - Newer LDAP URL Format
  
    RFC 2231 - MIME Parameter Value and Encoded Word Extensions:
               Character Sets, Languages, and Continuations
  
    RFC 2388 - "Returning Values from Forms: multipart/form-data"
               Use this as an addition to the RFC1867
  
    RFC 2396 - "Uniform Resource Identifiers: Generic Syntax and Semantics" This
               one obsoletes RFC 1738, but since RFC 1738 is often mentioned
               I've left it in this list.
  
    RFC 2428 - FTP Extensions for IPv6 and NATs
  
    RFC 2577 - FTP Security Considerations
  
    RFC 2616 - HTTP 1.1, the latest
  
    RFC 2617 - HTTP Authentication
  
    RFC 2718 - Guidelines for new URL Schemes
  
    RFC 2732 - Format for Literal IPv6 Addresses in URL's
  
    RFC 2818 - HTTP Over TLS (TLS is the successor to SSL)
  
    RFC 2821 - Simple Mail Transfer Protocol (SMTP)
  
    RFC 2964 - Use of HTTP State Management
  
    RFC 2965 - HTTP State Management Mechanism. Cookies. Obsoletes RFC2109
  
    RFC 3207 - SMTP Over TLS
  
    RFC 4616 - PLAIN Authentication
  
    RFC 4954 - SMTP Authentication
  
    RFC 7932 - Brotli Compressed Data Format
  