remove old organization intro text and update headings (editorial)editorial semanticshttpwg/http-core#599rearrange content negotiation so that all fields are at endeditorial semanticshttpwg/http-core#591improve abstracteditorial semanticshttpwg/http-core#590Reschke 571httpwg/http-core#597clarify that "no reason phrase" is fine as well (fixes # 571)editorial semanticshttpwg/http-core#594move method ABNF one paragraph down (fixes # 560)editorial semanticshttpwg/http-core#596fix an off-by-one bug about how many chars to consider when checking for etags (fixes # 570)semanticshttpwg/http-core#595Make TLS ref normative (fixes # 589)semanticshttpwg/http-core#592clarify that "no reason phrase" is fine as well (fixes # 571)editorial semanticshttpwg/http-core#593clarify the payload in 200 (OK)editorial semanticshttpwg/http-core#576simplify security consideration on confidentiality of credentialseditorial semanticshttpwg/http-core#587update references to other security considerationseditorial semanticshttpwg/http-core#588remove mention of "Warning" header field (fixes # 573)editorial semanticshttpwg/http-core#577add :authority pseudo-header to Host discussion and make section applicable to bothsemanticshttpwg/http-core#575note that HTTP/2 uses something other than `Host`httpwg/http-core#513consistent indentation of "Notes" (fixes # 564)caching editorial semanticshttpwg/http-core#569improve message abstraction to reflect semantics after message is parsedhttpwg/http-core#557use payload or payload data for semantics instead of body or body datahttpwg/http-core#555semantics: remove surplus tables repeating field names (fixes # 562)editorial semanticshttpwg/http-core#563use proper field terminology when discussing trailer processing (fixes # 583)editorial semanticshttpwg/http-core#558define the Message Abstraction as an ADT rather than as a messagehttpwg/http-core#546move the definition sections for Fields and Field Values up …httpwg/http-core#554"canonical root URI" -> "origin" (fixes # 542)editorial semanticshttpwg/http-core#552move protocol version section up to conformancehttpwg/http-core#551remove table with validators (fixes # 537)editorial semanticshttpwg/http-core#549Remove obsolete note about a change in "Expect" syntax (fixes # 547)editorial semanticshttpwg/http-core#548Refine text about application cacheshttpwg/http-core#545cleanup prior # 510 resolution to reduce nesting, fix punctuation, spellinghttpwg/http-core#541Say a bit more about PUT handlinghttpwg/http-core#535