📄 rfc1563.ps

📁 中、英文RFC文档大全打包下载完全版 .
💻 PS
📖 第 1 页 / 共 5 页
字号:
4112(is)X720 4976(\257ushleft,)N1094(\257ushright,)X1521(or)X1636(\257ushboth\))X2060(is)X2159(unspeci\256ed,)X2656(and)X2830(depends)X3180(on)X3311(the)X3464(preferences)X3943(of)X4058(the)X720 5088(user,)N934(the)X1082(capabilities)X1552(of)X1662(the)X1810(local)X2028(software)X2389(and)X2558(hardware,)X2971(and)X3141(the)X3290(nature)X3562(of)X3673(the)X3822(character)X720 5200(set)N879(in)X1006(use.)X1233(On)X1401(systems)X1756(where)X2042(justi\256cation)X2548(is)X2663(considered)X3131(undesirable,)X3650(the)X3819(\257ushboth)X720 5312(environment)N1237(may)X1434(be)X1556(identical)X1920(to)X2026(the)X2175(default)X2474(environment.)X3040(Note)X3258(that)X3434(justi\256cation)X3920(should)X720 5424(never)N971(be)X1099(performed)X1537(inside)X1804(of)X1921(center,)X2218(\257ushleft,)X2594(\257ushright,)X3023(or)X3140(no\256ll)X3380(environments.)X3989(Note)X720 5536(also)N919(that)X1108(for)X1264(some)X1511(non-ASCII)X1981(character)X2380(sets,)X2593(full)X2772(justi\256cation)X3272(may)X3483(be)X3619(fundamentally)X720 5648(inappropriate.)N720 6160(Borenstein)N3853([Page)X4096(4])X5 p%%Page: 5 512 s 12 xH 0 xS 1 f720 400(RFC)N925(1563)X1844(A)X1937(text/enriched)X2465(type)X2655(for)X2791(MIME)X3661(January)X3984(1994)X3 f14 s720 704(Indentation)N1309(Commands)X1 f12 s720 944(Initially,)N1094(text/enriched)X1642(text)X1831(is)X1939(displayed)X2352(using)X2604(the)X2767(maximum)X3203(available)X3597(margins.)X4000(Two)X720 1056(formatting)N1151(commands)X1592(may)X1782(be)X1897(used)X2097(to)X2196(affect)X2440(the)X2582(margins.)X3 f1008 1280(Indent)N1 f1337(--)X1459(causes)X1768(the)X1944(running)X2301(left)X2489(margin)X2821(to)X2955(be)X3105(moved)X3426(to)X3560(the)X3737(right.)X4026(The)X1296 1392(recommended)N1873(indentation)X2338(change)X2642(is)X2737(the)X2886(width)X3136(of)X3247(four)X3438(characters,)X3884(but)X4037(this)X1296 1504(may)N1486(differ)X1724(among)X2010(implementations.)X3 f1008 1616(IndentRight)N1 f1549(--)X1654(causes)X1946(the)X2105(running)X2445(right)X2668(margin)X2982(to)X3098(be)X3230(moved)X3533(to)X3649(the)X3808(left.)X4026(The)X1296 1728(recommended)N1873(indentation)X2338(change)X2642(is)X2737(the)X2886(width)X3136(of)X3247(four)X3438(characters,)X3884(but)X4037(this)X1296 1840(may)N1486(differ)X1724(among)X2010(implementations.)X720 2064(A)N828(line)X1012(break)X1265(is)X1369(NOT)X1606(forced)X1892(by)X2028(a)X2111(change)X2424(of)X2544(the)X2702(margin,)X3039(to)X3154(permit)X3470(the)X3628(description)X4096(of)X720 2176("hanging")N1132(text.)X1349(Thus)X1565(for)X1701(example)X2052(the)X2194(following)X2592(text:)X7 f720 2400(Now)N954(<indent>)X1478(is)X1655(the)X1890(time)X2183(for)X2418(all)X2653(good)X2946(horses)X3355(to)X3532(come)X3825(to)X4002(the)X720 2512(aid)N963(of)X1148(their)X1506(stable,)X1980(assuming)X2512(that)X2812 0.4219(</indent>)AX3402(any)X3644(stable)X4060(is)X720 2624(really)N1126(stable.)X1 f720 2848(would)N984(be)X1099(displayed)X1492(in)X1591(a)X1658(40-character-wide)X2383(window)X2716(as)X2820(follows:)X7 f720 3072(Now)N952(is)X1126(the)X1358(time)X1648(for)X1880(all)X2112(good)X2402(horses)X2808(to)X952 3184(come)N1242(to)X1416(the)X1648(aid)X1880(of)X2054(their)X2402(stable,)X952 3296(assuming)N1474(that)X1764(any)X1996(stable)X2402(is)X720 3408(really)N1126(stable.)X3 f14 s720 3648(M)N826(iscellaneous)X1421(Commands)X12 s1008 3888(Excerpt)N1 f1373(--)X1476(causes)X1766(the)X1923(affected)X2273(text)X2457(to)X2571(be)X2701(interpreted)X3159(as)X3279(a)X3362(textual)X3665(excerpt)X3989(from)X1296 4000(another)N1626(source,)X1942(probably)X2325(a)X2409(message)X2775(being)X3029(responded)X3464(to.)X3627(Typically)X4037(this)X1296 4112(will)N1477(be)X1599(displayed)X1999(using)X2238(indentation)X2703(and)X2873(an)X2996(alternate)X3361(font,)X3572(or)X3684(by)X3812(indenting)X1296 4224(lines)N1524(and)X1709(preceding)X2135(them)X2374(with)X2591(">)X2730(",)X2839(but)X3008(such)X3230(decisions)X3634(are)X3797(up)X3938(to)X4058(the)X1296 4336 0.2366(implementation.)AN2002(\(Note)X2273(that)X2470(this)X2661(is)X2777(the)X2947(only)X3170(truly)X3405(declarative)X3882(markup)X1296 4448(construct)N1678(in)X1782(text/enriched,)X2339(and)X2507(as)X2616(such)X2821(doesn't)X3132(\256t)X3240(very)X3439(well)X3633(with)X3832(the)X3978(other)X1296 4560(facilities,)N1680(but)X1830(it)X1912(describes)X2298(a)X2369(type)X2563(of)X2671(markup)X2993(that)X3166(is)X3258(very)X3457(commonly)X3897(used)X4101(in)X1296 4672(email)N1537(and)X1702(has)X1856(no)X1978(procedural)X2416(analogue.\))X2894(Note)X3107(that)X3277(as)X3382(with)X3578(the)X3721(justi\256cation)X1296 4784(commands,)N1772(the)X1925(excerpt)X2244(command)X2659(implicitly)X3071(begins)X3358(and)X3533(ends)X3745(with)X3952(a)X4031(line)X1296 4896(break)N1534(if)X1617(one)X1780(is)X1868(not)X2015(already)X2323(there.)X3 f1008 5008(Param)N1 f1322(--)X1422(Marks)X1703(the)X1857(affected)X2204(text)X2385(as)X2501(command)X2917(parameters,)X3401(to)X3513(be)X3641(interpreted)X4096(or)X1296 5120(ignored)N1637(by)X1780(the)X1945(text/enriched)X2496(interpreter,)X2969(but)X3139(NOT)X3383(to)X3504(be)X3641(shown)X3937(to)X4058(the)X1296 5232(reader.)N1617(The)X1799(syntax)X2082(of)X2195(the)X2346(parameter)X2765(data)X2959(\(whatever)X3377(appears)X3704(between)X4058(the)X1296 5344(initial)N1564("<param>")X2033(and)X2213(the)X2372(terminating)X2858("</param>"\))X3385(is)X3490(left)X3660(unde\256ned)X4080(by)X1296 5456(this)N1492(memo,)X1814(to)X1946(be)X2094(de\256ned)X2434(by)X2587(text/enriched)X3149(extensions)X3613(in)X3746(the)X3922(future.)X1296 5568(However,)N1717(the)X1880(format)X2182(of)X2307(such)X2528(data)X2734(must)X2966(NOT)X3208(contain)X3537(nested)X3827(<param>)X1296 5680(commands,)N1765(and)X1932(either)X2180(must)X2395(NOT)X2620(use)X2776(the)X2922("<")X3082(character)X3464(or)X3573(must)X3789(use)X3946(it)X4029(in)X4133(a)X1296 5792(way)N1486(that)X1661(is)X1755(compatible)X2214(with)X2415(text/enriched)X2949(parsing.)X3310(That)X3517(is,)X3634(the)X3781(end)X3949(of)X4058(the)X720 6160(Borenstein)N3853([Page)X4096(5])X6 p%%Page: 6 612 s 12 xH 0 xS 1 f720 400(RFC)N925(1563)X1844(A)X1937(text/enriched)X2465(type)X2655(for)X2791(MIME)X3661(January)X3984(1994)X1296 688(parameter)N1717(data)X1913(should)X2204(be)X2330(recognizable)X2858(with)X3064(EITHER)X3441(of)X3557(two)X3737(algorithms:)X1296 800(simply)N1591(searching)X1993(for)X2138(the)X2289(\256rst)X2471(occurence)X2895(of)X3008("</param>")X3495(or)X3608(parsing)X3924(until)X4133(a)X1296 912(balanced)N1683("</param>")X2182(command)X2607(is)X2716(found.)X3033(In)X3158(either)X3423(case,)X3658(however,)X4058(the)X1296 1024(parameter)N1706(data)X1891(should)X2171(NOT)X2392(be)X2507(shown)X2781(to)X2880(the)X3022(human)X3308(reader.)X3 f14 s720 1264(Balancing)N1226(and)X1434(Nesting)X1824(of)X1946(Formatting)X2523(Commands)X1 f12 s720 1504(Pairs)N951(of)X1070(formatting)X1516(commands)X1972(must)X2198(be)X2328(properly)X2693(balanced)X3075(and)X3253(nested.)X3586(Thus,)X3842(a)X3925(proper)X720 1616(way)N904(to)X1003(describe)X1348(text)X1517(in)X4 f1616(bold)X1811(italics)X1 f2071(is:)X7 f10 s1296 1824(<bold><italic>the-text</italic></bold>)N1 f12 s1008 2032(or,)N1136(alternately,)X7 f10 s1296 2240(<italic><bold>the-text</bold></italic>)N1 f12 s1008 2448(but,)N1179(in)X1278(particular,)X1696(the)X1838(following)X2236(is)X2324(illegal)X2590 0.2404(text/enriched:)AX7 f10 s1296 2656(<bold><italic>the-text</bold></italic>)N1 f12 s720 2864(The)N894(nesting)X1197(requirement)X1688(for)X1825(formatting)X2257(commands)X2699(imposes)X3039(a)X3107(slightly)X3421(higher)X3692(burden)X3984(upon)X720 2976(the)N868(composers)X1309(of)X1419(text/enriched)X1952(bodies,)X2256(but)X2408(potentially)X2850(simpli\256es)X3253(text/enriched)X3786(displayers)X720 3088(by)N857(allowing)X1236(them)X1471(to)X1588(be)X1721(stack-based.)X2260(The)X2452(main)X2687(goal)X2895(of)X3017(text/enriched)X3563(is)X3669(to)X3786(be)X3919(simple)X720 3200(enough)N1052(to)X1176(make)X1434(multifont,)X1866(formatted)X2290(email)X2553(widely)X2863(readable,)X3262(so)X3395(that)X3588(those)X3839(with)X4058(the)X720 3312(capability)N1136(of)X1252(sending)X1587(it)X1677(will)X1863(be)X1990(able)X2187(to)X2298(do)X2430(so)X2551(with)X2758(con\256dence.)X3259(Thus)X3487(slightly)X3812(increased)X720 3424(complexity)N1188(in)X1297(the)X1449(composing)X1905(software)X2270(was)X2453(deemed)X2787(a)X2863(reasonable)X3308(tradeoff)X3646(for)X3791(simpli\256ed)X720 3536(reading)N1038(software.)X1446(Nonetheless,)X1969(implementors)X2528(of)X2637(text/enriched)X3171(readers)X3479(are)X3627(encouraged)X4101(to)X720 3648(follow)N999(the)X1145(general)X1457(Internet)X1785(guidelines)X2209(of)X2317(being)X2559(conservative)X3073(in)X3175(what)X3389(you)X3560(send)X3763(and)X3929(liberal)X720 3760(in)N842(what)X1076(you)X1267(accept.)X1609(Those)X1891(implementations)X2582(that)X2775(can)X2957(do)X3101(so)X3234(are)X3400(encouraged)X3892(to)X4015(deal)X720 3872(reasonably)N1161(with)X1356(improperly)X1808(nested)X2078(text/enriched)X2606(data.)X3 f14 s720 4112(Unrecognized)N1408(formatting)X1955(commands)X1 f12 s720 4352(Implementations)N1436(must)X1691(regard)X2005(any)X2212(unrecognized)X2800(formatting)X3276(command)X3725(as)X3874("no-op")X720 4464(commands,)N1194(that)X1372(is,)X1493(as)X1606(commands)X2056(having)X2351(no)X2480(effect,)X2757(thus)X2950 0.2784(facilitating)AX3401(future)X3663(extensions)X4101(to)X720 4576("text/enriched".)N1397(Private)X1717(extensions)X2171(may)X2385(be)X2524(de\256ned)X2855(using)X3111(formatting)X3566(commands)X4031(that)X720 4688(begin)N958(with)X1153("X-",)X1380(by)X1500(analogy)X1829(to)X1928(Internet)X2252(mail)X2448(header)X2729(\256eld)X2924(names.)X720 4912(In)N842(order)X1087(to)X1204(formally)X1578(de\256ne)X1856(extended)X2247(commands,)X2731(a)X2817(new)X3020(Internet)X3363(document)X3786(should)X4085(be)X720 5024(published.)N3 f16 s720 5280(W)N(hite)S1087(Space)X1439(in)X1578(Text/enriched)X2372(Data)X1 f12 s720 5536(No)N901(special)X1233(behavior)X1634(is)X1762(required)X2147(for)X2323(the)X2505(SPACE)X2867(or)X3011(TAB)X3267(\(HT\))X3523(character.)X3989(It)X4112(is)X720 5648(recommended,)N1330(however,)X1725(that,)X1934(at)X2044(least)X2260(when)X2507(\256xed-width)X2989(fonts)X3220(are)X3377(in)X3491(use,)X3682(the)X3839(common)X720 5760(semantics)N1135(of)X1250(the)X1403(TAB)X1630(\(HT\))X1857(character)X2246(should)X2537(be)X2663(observed,)X3069(namely)X3389(that)X3570(it)X3660(moves)X3947(to)X4058(the)X720 6160(Borenstein)N3853([Page)X4096(6])X7 p%%Page: 7 712 s 12 xH 0 xS 1 f720 400(RFC)N925(1563)X1844(A)X1937(text/enriched)X2465(type)X2655(for)X2791(MIME)X3661(January)X3984(1994)X720 688(next)N919(column)X1241(position)X1584(that)X1762(is)X1859(a)X1935(multiple)X2290(of)X2403(8.)X2532(\(In)X2677(other)X2908(words,)X3199(if)X3291(a)X
⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -