%!PS-Adobe-3.0%%Title: (MIME&Unicode)%%Creator: (MacWrite Pro: LaserWriter 8 8.1.1)%%CreationDate: (4:16 PM Friday, July 15, 1994)%%For: (David Goldsmith)%%Pages: 5%%DocumentFonts: Times-Roman Times-Bold Times-Italic Courier%%DocumentNeededFonts: Times-Roman Times-Bold Times-Italic Courier%%DocumentSuppliedFonts:%%DocumentData: Clean7Bit%%PageOrder: Ascend%%Orientation: Portrait%ADO_PaperArea: -31 -31 761 581%ADO_ImageableArea: 0 0 730 552%%EndComments/md 123 dict def md begin/currentpacking where {pop /sc_oldpacking currentpacking def true setpacking}if%%BeginFile: adobe_psp_basic%%Copyright: Copyright 1990-1993 Adobe Systems Incorporated. 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All Rights Reserved./S/show ld/A{0.0 exch ashow}bd/R{0.0 exch 32 exch widthshow}bd/W{0.0 3 1 roll widthshow}bd/J{0.0 32 4 2 roll 0.0 exch awidthshow}bd/V{0.0 4 1 roll 0.0 exch awidthshow}bd/fcflg true def/fc{fcflg{vmstatus exch sub 50000 lt{(%%[ Warning: Running out of memory ]%%\r)print flush/fcflg false store}if pop}if}bd/$f[1 0 0 -1 0 0]def/:ff{$f :mf}bd/MacEncoding StandardEncoding 256 array copy defMacEncoding 39/quotesingle putMacEncoding 96/grave put/Adieresis/Aring/Ccedilla/Eacute/Ntilde/Odieresis/Udieresis/aacute/agrave/acircumflex/adieresis/atilde/aring/ccedilla/eacute/egrave/ecircumflex/edieresis/iacute/igrave/icircumflex/idieresis/ntilde/oacute/ograve/ocircumflex/odieresis/otilde/uacute/ugrave/ucircumflex/udieresis/dagger/degree/cent/sterling/section/bullet/paragraph/germandbls/registered/copyright/trademark/acute/dieresis/notequal/AE/Oslash/infinity/plusminus/lessequal/greaterequal/yen/mu/partialdiff/summation/product/pi/integral/ordfeminine/ordmasculine/Omega/ae/oslash/questiondown/exclamdown/logicalnot/radical/florin/approxequal/Delta/guillemotleft/guillemotright/ellipsis/space/Agrave/Atilde/Otilde/OE/oe/endash/emdash/quotedblleft/quotedblright/quoteleft/quoteright/divide/lozenge/ydieresis/Ydieresis/fraction/currency/guilsinglleft/guilsinglright/fi/fl/daggerdbl/periodcentered/quotesinglbase/quotedblbase/perthousand/Acircumflex/Ecircumflex/Aacute/Edieresis/Egrave/Iacute/Icircumflex/Idieresis/Igrave/Oacute/Ocircumflex/apple/Ograve/Uacute/Ucircumflex/Ugrave/dotlessi/circumflex/tilde/macron/breve/dotaccent/ring/cedilla/hungarumlaut/ogonek/caronMacEncoding 128 128 getinterval astore poplevel2 startnoload/copyfontdict{findfont dup length dictbegin{1 index/FID ne{def}{pop pop}ifelse}forall}bdlevel2 endnoload level2 not startnoload/copyfontdict{findfont dup length dictcopybegin}bdlevel2 not endnoloadmd/fontname known not{/fontname/customfont def}if/Encoding Z/:mre{copyfontdict/Encoding MacEncoding deffontname currentdictenddefinefont :ff def}bd/:bsr{copyfontdict/Encoding Encoding 256 array copy defEncoding dup}bd/pd{put dup}bd/:esr{pop popfontname currentdictenddefinefont :ff def}bd/scf{scalefont def}bd/scf-non{$m scale :mf setfont}bd/ps Z/fz{/ps xs}bd/sf/setfont ld/cF/currentfont ld/mbf{/makeblendedfont where{popmakeblendedfont/ABlend exch definefont}{pop}ifelsedef}def%%EndFile/currentpacking where {pop sc_oldpacking setpacking}ifend		% md%%EndProlog%%BeginSetupmd begincountdictstack[{%stopped%%BeginFeature: *ManualFeed False1 dict dup /ManualFeed false put setpagedevice%%EndFeature}featurecleanupcountdictstack[{%stopped%%BeginFeature: *PageSize LetterSmall    2 dict dup /PageSize [612 792] put dup /ImagingBBox null put setpagedevice%%EndFeature}featurecleanup(David Goldsmith)setjob/pT[1 0 0 -1 31 761]def/mT[1 0 0 -1 31 761]def/sD 16 dict def300 level2{1 dict dup/WaitTimeout 4 -1 roll put setuserparams}{statusdict/waittimeout 3 -1 roll put}ifelse%%IncludeFont: Times-Roman%%IncludeFont: Times-Bold%%IncludeFont: Times-Italic%%IncludeFont: Courier/f0_1/Times-Roman :mre/f0_12 f0_1 12 scf/f1_1/Times-Bold :mre/f1_18 f1_1 18 scf/f1_14 f1_1 14 scf/f1_12 f1_1 12 scf/f2_1/Times-Italic :mre/f2_12 f2_1 12 scf/f3_1/Courier :mre/f3_12 f3_1 12 scf/Courier findfont[10 0 0 -10 0 0]:mf setfont%%EndSetup%%Page: 1 1%%BeginPageSetupinitializepage(David Goldsmith; page: 1 of 5)setjob%%EndPageSetupgS 0 0 552 730 rC40 40 468 648 rC41 50 :Mf0_12 sf-.014(Network Working Group)A442 50 :M-.03(D. Goldsmith)A41 62 :M-.039(Request for Comments: 1641)A462 62 :M-.094(M. Davis)A41 74 :M-.045(Category: Experimental)A443 74 :M-.023(Taligent, Inc.)A460 86 :M(July 1994)S170 115 :Mf1_18 sf-.021(Using Unicode with MIME)A41 161 :Mf1_14 sf-.019(Status of this Memo)A58 189 :Mf0_12 sf-.006(This memo defines an Experimental Protocol for the Internet community. This memo does)A58 201 :M-.003(not specify an Internet standard of any kind. Distribution of this memo is unlimited.)A41 232 :Mf1_14 sf-.011(Abstract)A58 260 :Mf0_12 sf-.006(The Unicode Standard, version 1.1, and ISO/IEC 10646-1:1993\(E\) jointly define a 16 bit)A58 272 :M-.005(character set \(hereafter referred to as Unicode\) which encompasses most of the world\325s)A58 284 :M-.006(writing systems. However, Internet mail \(STD 11, RFC 822\) currently supports only 7-bit)A58 296 :M-.003(US ASCII as a character set. MIME\312\(RFC 1521 and RFC 1522\) extends Internet mail to)A58 308 :M-.006(support different media types and character sets, and thus could support Unicode in mail)A58 320 :M-.005(messages. MIME neither defines Unicode as a permitted character set nor specifies how it)A58 332 :M-.009(would be encoded, although it does provide for the registration of additional character sets)A58 344 :M-.072(over time.)A58 372 :M-.01(This document specifies the usage of Unicode within MIME.)A41 403 :Mf1_14 sf-.01(Motivation)A58 431 :Mf0_12 sf-.006(Since Unicode is starting to see widespread commercial adoption, users will want a way to)A58 443 :M-.002(transmit information in this character set in mail messages and other Internet media. Since)A58 455 :M-.009(MIME was expressly designed to allow such extensions and is on the standards track for the)A58 467 :M-.006(Internet, it is the most appropriate means for encoding Unicode. RFC 1521 and RFC 1522 do)A58 479 :M-.001(not define Unicode as an allowed character set, but allow registration of additional character)A58 491 :M-.199(sets. )A58 519 :M-.01(In addition to allowing use of Unicode within MIME bodies, another goal is to specify a way)A58 531 :M-.006(of using Unicode that allows text which consists largely, but not entirely, of US-ASCII)A58 543 :M-.001(characters to be represented in a way that can be read by mail clients who do not understand)A58 555 :M-.01(Unicode. This is in keeping with the philosophy of MIME. Such an encoding is described in)A58 567 :M-.002(another document, \322UTF-7: A Mail Safe Transformation Format of Unicode\323 [UTF-7].)A41 598 :Mf1_14 sf-.075(Overview)A58 626 :Mf0_12 sf-.006(Several ways of using Unicode are possible. This document specifies both guidelines for use)A58 638 :M-.01(of Unicode within MIME, and a specific usage. The usage specified in this document is a)A58 650 :M-.01(straightforward use of Unicode as specified in \322The Unicode Standard, Version 1.1\323.)A40 662 468 26 rC41 684 :M-.062(Goldsmith & Davis)A467 684 :M-.063([Page )A497 684 :M(1)S503 684 :M(])Sendp%%Page: 2 2