rfc1563.ps

RFC 的详细文档！

1544(brackets)X
1894(\("<>",)X
2165(ASCII)X
2444(60)X
2569(and)X
2737(62\).)X
2942(Each)X
3164(formatting)X
3600(command)X
4010(may)X
720 1920(be)N
840(no)X
965(more)X
1192(than)X
1387(60)X
1512(characters)X
1932(in)X
2036(length,)X
2330(all)X
2456(in)X
2559(US-ASCII,)X
3015(restricted)X
3402(to)X
3505(the)X
3651(alphanumeric)X
720 2032(and)N
892(hyphen)X
1208(\("-"\))X
1415(characters.)X
1887(Formatting)X
2348(commands)X
2798(may)X
2997(be)X
3121(preceded)X
3502(by)X
3632(a)X
3709(solidus)X
4015(\("/",)X
720 2144(ASCII)N
999(47\),)X
1180(making)X
1498(them)X
1720(negations,)X
2142(and)X
2310(such)X
2515(negations)X
2912(must)X
3127(always)X
3422(exist)X
3632(to)X
3735(balance)X
4058(the)X
720 2256(initial)N
977(opening)X
1319(commands.)X
1816(Thus,)X
2064(if)X
2155(the)X
2305(formatting)X
2744(command)X
3156("<bold>")X
3545(appears)X
3871(at)X
3973(some)X
720 2368(point,)N
974(there)X
1199(must)X
1418(later)X
1622(be)X
1745(a)X
1820("</bold>")X
2236(to)X
2343(balance)X
2670(it.)X
2803(\(NOTE:)X
3173(The)X
3354(60)X
3481(character)X
3866(limit)X
4080(on)X
720 2480(formatting)N
1166(commands)X
1622(does)X
1837(NOT)X
2073(include)X
2396(the)X
2553("<",)X
2748(">",)X
2943(or)X
3062("/")X
3206(characters)X
3636(that)X
3820(might)X
4085(be)X
720 2592(attached)N
1066(to)X
1165(such)X
1365(commands.\))X
720 2816(Formatting)N
1198(commands)X
1665(are)X
1833(always)X
2150(case-insensitive.)X
2858(That)X
3085(is,)X
3223("bold")X
3522(and)X
3711("BoLd")X
4058(are)X
720 2928(equivalent)N
1146(in)X
1245(effect,)X
1513(if)X
1596(not)X
1743(in)X
1842(good)X
2058(taste.)X
720 3152(Beyond)N
1055(tokens)X
1342(delimited)X
1743(by)X
1875("<")X
2043(and)X
2218(">",)X
2411(there)X
2641(are)X
2796(two)X
2977(other)X
3212(special)X
3517(processing)X
3965(rules.)X
720 3264(First,)N
972(a)X
1067(literal)X
1345(less-than)X
1739(sign)X
1951(\("<"\))X
2199(can)X
2385(be)X
2528(represented)X
3024(by)X
3172(a)X
3267(sequence)X
3672(of)X
3804(two)X
4000(such)X
720 3376(characters,)N
1167("<<".)X
1457(Second,)X
1796(line)X
1974(breaks)X
2258(\(CRLF)X
2563(pairs)X
2783(in)X
2891(standard)X
3250(network)X
3598(representation\))X
720 3488(are)N
882(handled)X
1231(specially.)X
1666(In)X
1790(particular,)X
2228(isolated)X
2572(CRLF)X
2856(pairs)X
3087(are)X
3249(translated)X
3667(into)X
3860(a)X
3946(single)X
720 3600(SPACE)N
1045(character.)X
1474(Sequences)X
1907(of)X
2014(N)X
2110(consecutive)X
2592(CRLF)X
2859(pairs,)X
3097(however,)X
3479(are)X
3624(translated)X
4026(into)X
720 3712(N-1)N
906(actual)X
1174(line)X
1356(breaks.)X
1692(This)X
1900(permits)X
2226(long)X
2434(lines)X
2653(of)X
2770(data)X
2968(to)X
3079(be)X
3206(represented)X
3686(in)X
3797(a)X
3876(natural-)X
720 3824(looking)N
1068(manner)X
1411(despite)X
1738(the)X
1910(frequency)X
2349(of)X
2483(line-wrapping)X
3077(in)X
3206(Internet)X
3560(mailers.)X
3946(When)X
720 3936(preparing)N
1127(the)X
1283(data)X
1482(for)X
1632(mail)X
1842(transport,)X
2246(isolated)X
2584(line)X
2767(breaks)X
3055(should)X
3348(be)X
3476(inserted)X
3818(wherever)X
720 4048(necessary)N
1127(to)X
1235(keep)X
1450(each)X
1661(line)X
1840(shorter)X
2141(than)X
2341(80)X
2471(characters.)X
2992(When)X
3256(preparing)X
3659(such)X
3869(data)X
4064(for)X
720 4160(presentation)N
1235(to)X
1354(the)X
1516(user,)X
1744(isolated)X
2088(line)X
2277(breaks)X
2572(should)X
2872(be)X
3007(replaced)X
3378(by)X
3518(a)X
3605(single)X
3878(SPACE)X
720 4272(character,)N
1136(and)X
1314(N)X
1422(consecutive)X
1916(CRLF)X
2195(pairs)X
2421(should)X
2716(be)X
2846(presented)X
3254(to)X
3368(the)X
3525(user)X
3724(as)X
3843(N-1)X
4031(line)X
720 4384(breaks.)N
720 4608(Thus)N
936(text/enriched)X
1464(data)X
1649(that)X
1818(looks)X
2050(like)X
2219(this:)X
720 6160(Borenstein)N
3853([Page)X
4096(2])X

3 p
%%Page: 3 3
12 s 12 xH 0 xS 1 f
720 400(RFC)N
925(1563)X
1844(A)X
1937(text/enriched)X
2465(type)X
2655(for)X
2791(MIME)X
3661(January)X
3984(1994)X
7 f
1008 688(This)N
1298(is)X
1008 800(a)N
1124(single)X
1008 912(line)N
1008 1136(This)N
1298(is)X
1472(the)X
1008 1248(next)N
1298(line.)X
1008 1584(This)N
1298(is)X
1472(the)X
1008 1696(next)N
1298 0.4167(paragraph.)AX
1 f
720 1920(should)N
1000(be)X
1115(displayed)X
1508(by)X
1628(a)X
1695(text/enriched)X
2223(interpreter)X
2649(as)X
2753(follows:)X
7 f
1008 2144(This)N
1298(is)X
1472(a)X
1588(single)X
1994(line)X
1008 2256(This)N
1298(is)X
1472(the)X
1704(next)X
1994(line.)X
1008 2480(This)N
1298(is)X
1472(the)X
1704(next)X
1994 0.4167(paragraph.)AX
1 f
720 2704(The)N
896(formatting)X
1329(commands,)X
1796(not)X
1945(all)X
2068(of)X
2174(which)X
2436(will)X
2613(be)X
2731(implemented)X
3262(by)X
3385(all)X
3509(implementations,)X
720 2816(are)N
862(described)X
1255(in)X
1354(the)X
1496(following)X
1894(sections.)X
3 f
16 s
720 3072(Form)N
1026(atting)X
1379(Com)X
1642(m)X
1749(ands)X
1 f
12 s
720 3328(The)N
905(text/enriched)X
1444(formatting)X
1886(commands)X
2338(all)X
2470(begin)X
2719(with)X
2925(<commandname>)X
3657(and)X
3831(end)X
4005(with)X
720 3440(</commandname>,)N
1525(affecting)X
1901(the)X
2052(formatting)X
2492(of)X
2604(the)X
2754(text)X
2931(between)X
3284(those)X
3519(two)X
3695(tokens.)X
4026(The)X
720 3552(commands)N
1161(are)X
1303(described)X
1696(here,)X
1910(grouped)X
2249(according)X
2653(to)X
2752(type.)X
3 f
14 s
720 3792(Font-Alteration)N
1503(Commands)X
1 f
12 s
720 4032(The)N
917(following)X
1338(formatting)X
1792(commands)X
2256(are)X
2421(intended)X
2801(to)X
2924(alter)X
3144(the)X
3310(font)X
3513(in)X
3636(which)X
3919(text)X
4112(is)X
720 4144(displayed,)N
1137(but)X
1284(not)X
1431(to)X
1530(alter)X
1726(the)X
1868(indentation)X
2326(or)X
2430(justi\256cation)X
2909(state)X
3110(of)X
3214(the)X
3356(text:)X
3 f
1008 4368(Bold)N
1 f
1226(--)X
1316(causes)X
1593(the)X
1737(affected)X
2074(text)X
2245(to)X
2346(be)X
2463(in)X
2564(a)X
2633(bold)X
2830(font.)X
3059(Nested)X
3352(bold)X
3550(commands)X
3994(have)X
1296 4480(the)N
1438(same)X
1660(effect)X
1904(as)X
2008(a)X
2075(single)X
2329(bold)X
2524(command.)X
3 f
1008 4592(Italic)N
1 f
1254(--)X
1350(causes)X
1633(the)X
1783(affected)X
2127(text)X
2305(to)X
2413(be)X
2537(in)X
2645(an)X
2769(italic)X
2996(font.)X
3232(Nested)X
3532(italic)X
3759(commands)X
1296 4704(have)N
1502(the)X
1644(same)X
1866(effect)X
2110(as)X
2214(a)X
2281(single)X
2535(italic)X
2753(command.)X
3 f
1008 4816(Fixed)N
1 f
1287(--)X
1400(causes)X
1700(the)X
1867(affected)X
2227(text)X
2421(to)X
2545(be)X
2685(in)X
2810(a)X
2903(\256xed)X
3145(width)X
3414(font.)X
3667(Nested)X
3984(\256xed)X
1296 4928(commands)N
1737(have)X
1943(the)X
2085(same)X
2307(effect)X
2551(as)X
2655(a)X
2722(single)X
2976(\256xed)X
3192(command.)X
3 f
1008 5040(Smaller)N
1 f
1353(--)X
1441(causes)X
1717(the)X
1860(affected)X
2196(text)X
2366(to)X
2466(be)X
2582(in)X
2682(a)X
2750(smaller)X
3059(font.)X
3287(It)X
3371(is)X
3460(recommended)X
4031(that)X
1296 5152(the)N
1449(font)X
1639(size)X
1823(be)X
1948(changed)X
2303(by)X
2433(two)X
2611(points,)X
2904(but)X
3061(other)X
3293(amounts)X
3653(may)X
3853(be)X
3978(more)X
1296 5264(appropriate)N
1779(in)X
1898(some)X
2146(environments.)X
2763(Nested)X
3075(smaller)X
3404(commands)X
3866(produce)X
1296 5376(ever-smaller)N
1834(fonts,)X
2106(to)X
2237(the)X
2411(limits)X
2686(of)X
2821(the)X
2994(implementation's)X
3724(capacity)X
4101(to)X
1296 5488(reasonably)N
1748(display)X
2061(them,)X
2313(after)X
2525(which)X
2795(further)X
3092(smaller)X
3411(commands)X
3863(have)X
4080(no)X
1296 5600(incremental)N
1776(effect.)X
720 6160(Borenstein)N
3853([Page)X
4096(3])X

4 p
%%Page: 4 4
12 s 12 xH 0 xS 1 f
3 f
1 f
720 400(RFC)N
925(1563)X
1844(A)X
1937(text/enriched)X
2465(type)X
2655(for)X
2791(MIME)X
3661(January)X
3984(1994)X
3 f
1008 688(Bigger)N
1 f
1311(--)X
1405(causes)X
1686(the)X
1834(affected)X
2175(text)X
2350(to)X
2456(be)X
2578(in)X
2684(a)X
2758(bigger)X
3035(font.)X
3269(It)X
3359(is)X
3454(recommended)X
4031(that)X
1296 800(the)N
1449(font)X
1639(size)X
1823(be)X
1948(changed)X
2303(by)X
2433(two)X
2611(points,)X
2904(but)X
3061(other)X
3293(amounts)X
3653(may)X
3853(be)X
3978(more)X
1296 912(appropriate)N
1785(in)X
1910(some)X
2163(environments.)X
2785(Nested)X
3102(bigger)X
3398(commands)X
3866(produce)X
1296 1024(ever-bigger)N
1800(fonts,)X
2076(to)X
2211(the)X
2389(limits)X
2669(of)X
2809(the)X
2986(implementation's)X
3720(capacity)X
4101(to)X
1296 1136(reasonably)N
1752(display)X
2069(them,)X
2325(after)X
2541(which)X
2815(further)X
3116(bigger)X
3401(commands)X
3858(have)X
4080(no)X
1296 1248(incremental)N
1776(effect.)X
3 f
1008 1360(Underline)N
1 f
1480(--)X
1605(causes)X
1917(the)X
2096(affected)X
2468(text)X
2674(to)X
2810(be)X
2962(underlined.)X
3483(Nested)X
3812(underline)X
1296 1472(commands)N
1737(have)X
1943(the)X
2085(same)X
2307(effect)X
2551(as)X
2655(a)X
2722(single)X
2976(underline)X
3364(command.)X
720 1696(While)N
1029(the)X
1220("bigger")X
1617(and)X
1829("smaller")X
2264(operators)X
2695(are)X
2887(effectively)X
3374(inverses,)X
3787(it)X
3915(is)X
4053(not)X
720 1808(recommended,)N
1326(for)X
1474(example,)X
1861(that)X
2042("<smaller>")X
2548(be)X
2675(used)X
2911(to)X
3022(end)X
3197(the)X
3350(effect)X
3605(of)X
3720("<bigger>".)X
720 1920(This)N
915(is)X
1003(properly)X
1353(done)X
1564(with)X
1759("</bigger>".)X
3 f
14 s
720 2160(Fill/Justi\256cation)N
1526(Commands)X
1 f
12 s
720 2400(Initially,)N
1100(text/enriched)X
1654(text)X
1849(is)X
1963(intended)X
2345(to)X
2471(be)X
2613(displayed)X
3033(fully)X
3266(\256lled)X
3515(with)X
3737(appropriate)X
720 2512(kerning)N
1046(and)X
1217 0.2321(letter-tracking)AX
1796(as)X
1908(suits)X
2116(the)X
2266(capabilities)X
2738(of)X
2850(the)X
3000(receiving)X
3390(user)X
3581(agent)X
3821(software.)X
720 2624(Actual)N
1007(line)X
1182(width)X
1431(is)X
1525(left)X
1684(to)X
1789(the)X
1937(discretion)X
2347(of)X
2457(the)X
2605(receiver,)X
2970(which)X
3235(is)X
3329(expected)X
3702(to)X
3808(fold)X
3994(lines)X
720 2736(intelligently)N
1211(\(preferring)X
1652(soft)X
1820(line)X
1989(breaks\))X
2296(to)X
2395(the)X
2537(best)X
2716(of)X
2820(its)X
2935(ability.)X
720 2960(The)N
907(following)X
1318(commands)X
1772(alter)X
1981(that)X
2163(state.)X
2425(Each)X
2655(of)X
2772(these)X
3007(commands)X
3462(force)X
3698(a)X
3779(line)X
3962(break)X
720 3072(before)N
1001(and)X
1175(after)X
1387(the)X
1540(formatting)X
1982(environment)X
2504(if)X
2598(there)X
2826(is)X
2925(not)X
3083(otherwise)X
3491(a)X
3568(line)X
3747(break.)X
4043(For)X
720 3184(example,)N
1095(if)X
1178(one)X
1341(of)X
1446(these)X
1669(commands)X
2111(occurs)X
2387(anywhere)X
2786(other)X
3009(than)X
3200(the)X
3343(beginning)X
3753(of)X
3858(a)X
3926(line)X
4096(of)X
720 3296(text)N
889(as)X
993(presented,)X
1410(a)X
1477(new)X
1661(line)X
1830(is)X
1918(begun.)X
3 f
1008 3520(Center)N
1 f
1315(--)X
1403(causes)X