rfc1642.ps

中、英文RFC文档大全打包下载完全版 .

-.072(All others)A
256 340 :M
-.014(2.67+2/n)A
58 364 :M
-.01(We feel that the UTF-8 in Quoted Printable option is not viable due to the very large)A
58 376 :M
-.009(expansion of all text except Western European. This would only be viable in texts consisting)A
58 388 :M
-.001(of large expanses of US-ASCII\312or Latin characters with occasional other characters)A
58 400 :M
-.001(interspersed. We would prefer to introduce one encoding that works reasonably well for all)A
58 412 :M
-.131(users.)A
58 440 :M
-.002(We also feel that UTF-8 in Base64 has high expansion for non-Western-European users, and)A
58 452 :M
-.009(is less desirable because it cannot be read directly, even when the content is largely US-)A
58 464 :M
-.006(ASCII. The base encoding of UTF-7 gives competitive results and is readable for ASCII text.)A
58 492 :M
-.002(UTF-7 gives results competitive with ISO-8859-x, with access to all of the Unicode)A
58 504 :M
-.001(character set. We believe this justifies the introduction of a new transformation format of)A
58 516 :M
-.093(Unicode.)A
58 544 :M
-.006(As an alternative to use of UTF-7, it is possible to intermix Unicode characters with other)A
58 556 :M
-.01(character sets using an existing MIME mechanism, the multipart/mixed content type \(thanks)A
58 568 :M
-.002(to Nathaniel Borenstein for pointing this out\). For instance \(repeating an earlier example\):)A
40 40 468 26 rC
41 50 :M
-.097(RFC 1642)A
258 50 :M
-.164(UTF-7)A
460 50 :M
(July 1994)S
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-.062(Goldsmith & Davis)A
467 684 :M
-.063([Page )A
497 684 :M
(8)S
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-.203(Content-type: multipart/mixed; boundary=foo )A
94 101 :M
-.238(--foo )A
94 113 :M
-.203(Content-type: text/plain; charset=us-ascii )A
94 137 :M
-.231(Hi Mom )A
94 149 :M
-.238(--foo )A
94 161 :M
-.203(Content-type: text/plain; charset=UNICODE-1-1 )A
94 173 :M
-.204(Content-transfer-encoding: base64 )A
94 197 :M
-.264(Jjo=)A
94 209 :M
-.238(--foo )A
94 221 :M
-.203(Content-type: text/plain; charset=us-ascii )A
94 245 :M
(!)S
94 257 :M
-.227(--foo-- )A
58 280 :M
f0_12 sf
-.006(Theoretically, this removes the need for UTF-7 in message bodies \(multipart may not be)A
58 292 :M
-.005(used in header fields\). However, we feel that as use of the Unicode character set becomes)A
58 304 :M
-.009(more widespread, intermittent use of specialized Unicode characters \(such as dingbats and)A
58 316 :M
-.01(mathematical symbols\) will occur, and that text will also typically include small snippets)A
58 328 :M
-.006(from other scripts, such as Cyrillic, Greek, or East Asian languages \(anything in the Roman)A
58 340 :M
-.006(script is already handled adequately by existing MIME character sets\). Although the)A
58 352 :M
-.001(multipart technique works well for large chunks of text in alternating character sets, we feel)A
58 364 :M
-.01(it does not adequately support the kinds of uses just discussed, and so we still believe the)A
58 376 :M
-.018(introduction of UTF-7 is justified.)A
41 407 :M
f1_14 sf
-.016(Summary)A
58 435 :M
f0_12 sf
-.002(The UTF-7 encoding allows Unicode characters to be encoded within the US-ASCII 7 bit)A
58 447 :M
-.005(character set. It is most effective for Unicode sequences which contain relatively long strings)A
58 459 :M
-.009(of US-ASCII characters interspersed with either single Unicode characters or strings of)A
58 471 :M
-.002(Unicode characters, as it allows the US-ASCII portions to be read on systems without direct)A
58 483 :M
-.043(Unicode support.)A
58 511 :M
-.006(UTF-7 should only be used with 7 bit transports such as mail and news. In other contexts,)A
58 523 :M
-.005(use of straight Unicode or UTF-8 is preferred.)A
40 40 468 26 rC
41 50 :M
-.097(RFC 1642)A
258 50 :M
-.164(UTF-7)A
460 50 :M
(July 1994)S
gR
gS 40 662 468 26 rC
41 684 :M
f0_12 sf
-.062(Goldsmith & Davis)A
467 684 :M
-.063([Page )A
497 684 :M
(9)S
503 684 :M
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-.057(Acknowledgements)A
58 107 :M
f0_12 sf
-.01(Many thanks to the following people for their contributions, comments, and suggestions. If)A
58 119 :M
-.008(we have omitted anyone it was through oversight and not intentionally.)A
94 147 :M
-.031(Glenn Adams)A
94 159 :M
-.032(Harald T. Alvestrand)A
94 171 :M
-.033(Nathaniel Borenstein)A
94 183 :M
-.066(Lee Collins)A
94 195 :M
(Jim Conklin)S
94 207 :M
-.087(Dave Crocker)A
94 219 :M
-.058(Steve Dorner)A
94 231 :M
-.081(Dana S. Emery)A
94 243 :M
-.038(Ned Freed)A
94 255 :M
-.023(Kari E. Hurtta)A
94 267 :M
-.023(John H. Jenkins)A
94 279 :M
-.071(John C. Klensin)A
94 291 :M
-.021(Valdis Kletnieks)A
94 303 :M
-.064(Keith Moore)A
94 315 :M
-.025(Masataka Ohta)A
94 327 :M
-.044(Einar Stefferud)A
94 339 :M
-.016(Erik M. van der Poel)A
40 40 468 26 rC
41 50 :M
-.097(RFC 1642)A
258 50 :M
-.164(UTF-7)A
460 50 :M
(July 1994)S
gR
gS 40 662 468 26 rC
41 684 :M
f0_12 sf
-.062(Goldsmith & Davis)A
461 684 :M
-.063([Page )A
491 684 :M
(10)S
503 684 :M
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41 79 :M
f1_14 sf
-.028(Appendix A -- Examples)A
58 107 :M
f0_12 sf
-.01(Here is a longer example, taken from a document originally in Big5 code. It has been)A
58 119 :M
-.005(condensed for brevity. There are two versions: the first uses optional characters from set O)A
58 131 :M
-.011(\(and thus may not pass through some mail gateways\), and the second uses no optional)A
58 143 :M
-.062(characters.)A
58 171 :M
f3_10 sf
(Content-type: text/plain; charset=unicode-1-1-utf-7 )S
58 195 :M
(Below is the full Chinese text of the Analects \(+itaKng-\).)S
58 219 :M
(The sources for the text are:)S
58 243 :M
("The sayings of Confucius," James R. Ware, trans.  +U/BTFw-:  )S
58 255 :M
(+ZYeB9FH6ckh5Pg-, 1980.  \(Chinese text with English translation\))S
58 279 :M
(+Vttm+E6UfZM-, +W4tRQ066bOg-, +UxdOrA-:  +Ti1XC2b4Xpc-, 1990.)S
58 303 :M
("The Chinese Classics with a Translation, Critical and )S
58 315 :M
(Exegetical Notes, Prolegomena, and Copius Indexes," James )S
58 327 :M
(Legge, trans., Taipei:  Southern Materials Center Publishing, )S
58 339 :M
(Inc., 1991.  \(Chinese text with English translation\))S
58 363 :M
(Big Five and GB versions of the text are being made available )S
58 375 :M
(separately.  )S
58 399 :M
(Neither the Big Five nor GB contain all the characters used in )S
58 411 :M
(this text.  Missing characters have been indicated using their )S
58 423 :M
(Unicode/ISO 10646 code points.  "U+-" followed by four )S
58 435 :M
(hexadecimal digits indicates a Unicode/10646 code \(e.g., )S
58 447 :M
(U+-9F08\).  There is no good solution to the problem of the small )S
58 459 :M
(size of the Big Five/GB character sets; this represents the )S
58 471 :M
(solution I find personally most satisfactory.)S
58 495 :M
(\(omitted...\))S
58 519 :M
(I have tried to minimize this problem by using variant )S
58 531 :M
(characters where they were available and the character )S
58 543 :M
(actually in the text was not.  Only variants listed as such in )S
58 555 :M
(the +XrdxmVtXUXg- were used.)S
58 579 :M
(\(omitted...\))S
58 603 :M
(John H. Jenkins)S
58 615 :M
(+TpVPXGBG-)S
58 627 :M
([e-mail]    )S
58 639 :M
(5 January 1993)S
58 651 :M
(\(omitted...\))S
40 40 468 26 rC
41 50 :M
f0_12 sf
-.097(RFC 1642)A
258 50 :M
-.164(UTF-7)A
460 50 :M
(July 1994)S
gR
gS 40 662 468 26 rC
41 684 :M
f0_12 sf
-.062(Goldsmith & Davis)A
461 684 :M
-.063([Page )A
491 684 :M
(11)S
503 684 :M
(])S
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58 76 :M
f3_10 sf
(Content-type: text/plain; charset=unicode-1-1-utf-7 )S
58 100 :M
(Below is the full Chinese text of the Analects \(+itaKng-\).)S
58 124 :M
(The sources for the text are:)S
58 148 :M
(+ACI-The sayings of Confucius,+ACI- James R. Ware, trans.  +U/BTFw-:  )S
58 160 :M
(+ZYeB9FH6ckh5Pg-, 1980.  \(Chinese text with English translation\))S
58 184 :M
(+Vttm+E6UfZM-, +W4tRQ066bOg-, +UxdOrA-:  +Ti1XC2b4Xpc-, 1990.)S
58 208 :M
(+ACI-The Chinese Classics with a Translation, Critical and )S
58 220 :M
(Exegetical Notes, Prolegomena, and Copius Indexes,+ACI- James )S
58 232 :M
(Legge, trans., Taipei:  Southern Materials Center Publishing, )S
58 244 :M
(Inc., 1991.  \(Chinese text with English translation\))S
58 268 :M
(Big Five and GB versions of the text are being made available )S
58 280 :M
(separately.  )S
58 304 :M
(Neither the Big Five nor GB contain all the characters used in )S
58 316 :M
(this text.  Missing characters have been indicated using their )S
58 328 :M
(Unicode/ISO 10646 code points.  +ACI-U+-+ACI- followed by four )S
58 340 :M
(hexadecimal digits indicates a Unicode/10646 code \(e.g., )S
58 352 :M
(U+-9F08\).  There is no good solution to the problem of the small )S
58 364 :M
(size of the Big Five/GB character sets+ADs- this represents the )S
58 376 :M
(solution I find personally most satisfactory.)S
58 400 :M
(\(omitted...\))S
58 424 :M
(I have tried to minimize this problem by using variant )S
58 436 :M
(characters where they were available and the character )S
58 448 :M
(actually in the text was not.  Only variants listed as such in )S
58 460 :M
(the +XrdxmVtXUXg- were used.)S
58 484 :M
(\(omitted...\))S
58 508 :M
(John H. Jenkins)S
58 520 :M
(+TpVPXGBG-)S
58 532 :M
(John+AF8-Jenkins+AEA-taligent.com    )S
58 544 :M
(5 January 1993)S
58 556 :M
(\(omitted...\))S
40 40 468 26 rC
41 50 :M
f0_12 sf
-.097(RFC 1642)A
258 50 :M
-.164(UTF-7)A
460 50 :M
(July 1994)S
gR
gS 40 662 468 26 rC
41 684 :M
f0_12 sf
-.062(Goldsmith & Davis)A
461 684 :M
-.063([Page )A
491 684 :M
(12)S
503 684 :M
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41 79 :M
f1_14 sf
-.021(Security Considerations)A
58 110 :M
f0_12 sf
-.006(Security issues are not discussed in this memo.)A
41 141 :M
f1_14 sf
-.031(References)A
41 169 :M
f0_12 sf
-.081([UNICODE 1.1])A
144 169 :M
-.013(\322The Unicode Standard, Version 1.1\323: Version 1.0, Volume 1 \(ISBN 0-)A
144 181 :M
-.004(201-56788-1\), Version 1.0, Volume 2 \(ISBN 0-201-60845-6\), and)A
144 193 :M
-.003(\322Unicode Technical Report #4, The Unicode Standard, Version 1.1\323)A
144 205 :M
-.014(\(available from The Unicode Consortium, and soon to be published by)A
144 217 :M
-.042(Addison-Wesley\).)A
41 245 :M
-.031([ISO 10646])A
144 245 :M
-.003(ISO/IEC 10646-1:1993\(E\) Information Technology--Universal Multiple-)A
144 257 :M
-.03(octet Coded Character Set \(UCS\).)A
41 285 :M
-.074([MIME/UNICODE])A
144 285 :M
-.015(Goldsmith, D., and M. Davis, \322Using Unicode with MIME\323, RFC 1641,)A
144 297 :M
-.012(Taligent, Inc., July 1994.)A
41 325 :M
-.071([US-ASCII])A
144 325 :M
-.008(Coded Character Set--7-bit American Standard Code for Information)A
144 337 :M
-.01(Interchange, ANSI X3.4-1986.)A
41 365 :M
-.034([ISO-8859])A
144 365 :M
-.012(Information Processing -- 8-bit Single-Byte Coded Graphic Character Sets)A
144 377 :M
-.012(-- Part 1: Latin Alphabet No. 1, ISO 8859-1:1987.  Part 2: Latin alphabet)A
144 389 :M
-.008(No.  2, ISO 8859-2, 1987.  Part 3: Latin alphabet No. 3, ISO 8859-3, 1988.)A
144 401 :M
-.008(Part 4: Latin alphabet No.  4, ISO 8859-4, 1988.  Part 5: Latin/Cyrillic)A
144 413 :M
-.013(alphabet, ISO 8859-5, 1988.  Part 6: Latin/Arabic alphabet, ISO 8859-6,)A
144 425 :M
-.004(1987.  Part 7: Latin/Greek alphabet, ISO 8859-7, 1987.  Part 8:)A
144 437 :M
-.013(Latin/Hebrew alphabet, ISO 8859-8, 1988.  Part 9: Latin alphabet No. 5,)A
144 449 :M
-.02(ISO 8859-9, 1990.)A
41 477 :M
-.095([RFC822])A
144 477 :M
-.012(Crocker, D., \322Standard for the Format of ARPA Internet Text Messages\323,)A
144 489 :M
-.029(STD 11, RFC 822, UDEL, August 1982.)A
41 517 :M
-.073([RFC-1521])A
144 517 :M
-.009(Borenstein N., and N. Freed, \322MIME \(Multipurpose Internet Mail)A
144 529 :M
-.008(Extensions\) Part One:  Mechanisms for Specifying and Describing the)A
144 541 :M
-.014(Format of Internet Message Bodies\323, RFC 1521, Bellcore, Innosoft,)A
144 553 :M
-.022(September 1993.)A
41 581 :M
-.073([RFC-1522])A
144 581 :M
-.008(Moore, K., \322Representation of Non-Ascii Text in Internet Message)A
144 593 :M
-.004(Headers\323 RFC 1522, University of Tennessee, September 1993.)A
41 621 :M
-.107([UTF-8])A
144 621 :M
-.009(X/Open Company Ltd., \322File System Safe UCS Transformation Format)A
144 633 :M
-.009(\(FSS_UTF\)\323, X/Open Preliminary Specification, Document Number:)A
144 645 :M
-.013(P316. This information also appears in Unicode Technical Report #4, and)A
144 657 :M
-.024(in a forthcoming annex to ISO/IEC 10646.)A
40 40 468 26 rC
41 50 :M
-.097(RFC 1642)A
258 50 :M
-.164(UTF-7)A
460 50 :M
(July 1994)S
gR
gS 40 662 468 26 rC
41 684 :M
f0_12 sf
-.062(Goldsmith & Davis)A
461 684 :M
-.063([Page )A
491 684 :M
(13)S
503 684 :M
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f1_14 sf
-.047(Authors\325 Addresses)A
58 107 :M
f0_12 sf
-.071(David Goldsmith)A
58 119 :M
-.023(Taligent, Inc.)A
58 131 :M
-.015(10201 N. DeAnza Blvd.)A
58 143 :M
-.028(Cupertino, CA 95014-2233)A
58 167 :M
-.018(Phone: [phone])A
58 179 :M
-.02(Fax: [phone])A
58 191 :M
-.02(EMail: [e-mail])A
58 227 :M
-.108(Mark Davis)A
58 239 :M
-.023(Taligent, Inc.)A
58 251 :M
-.015(10201 N. DeAnza Blvd.)A
58 263 :M
-.028(Cupertino, CA 95014-2233)A
58 287 :M
-.018(Phone: [phone])A
58 299 :M
-.02(Fax: [phone])A
58 311 :M
(EMail: [e-mail])S
40 40 468 26 rC
41 50 :M
-.097(RFC 1642)A
258 50 :M
-.164(UTF-7)A
460 50 :M
(July 1994)S
gR
gS 40 662 468 26 rC
41 684 :M
f0_12 sf
-.062(Goldsmith & Davis)A
461 684 :M
-.063([Page )A
491 684 :M
(14)S
503 684 :M
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