Windows-1258

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Windows-1258 is a code page used in Microsoft Windows to represent Vietnamese texts. It makes use of combining diacritical marks. Windows-1258 is not compatible with VISCII. It is very similar to Windows-1252 with the differences being that s-caron and z-caron (which were added to Windows-1252 later) are missing, four of the letters with diacritics have been replaced by combining diacritics and a few other letter/diacritic combinations have been replaced.

Use of combining diacritics means that Windows-1258 can cover the large number of letter/diacritic combinations in Vietnamese without compromising coverage of control codes or symbols. However it also means that software must be careful to handle conversions between precomposed characters and combining sequences correctly when converting to/from other encodings and makes determining user-visible length of a string more difficult.

UTF-8 is the preferred encoding for Vietnamese in modern applications. Windows-1258 may not always round trip Unicode encoded Vietnamese due to Unicode normalization differences.

Code page layout

The following table shows Windows-1258. Each character is shown with its Unicode equivalent and its decimal code. Differences from Windows-1252 are marked with thick green borders.

Windows-1258
	_0	_1	_2	_3	_4	_5	_6	_7	_8	_9	_A	_B	_C	_D	_E	_F
0_	NUL 0000 0	SOH 0001 1	STX 0002 2	ETX 0003 3	EOT 0004 4	ENQ 0005 5	ACK 0006 6	BEL 0007 7	BS 0008 8	HT 0009 9	LF 000A 10	VT 000B 11	FF 000C 12	CR 000D 13	SO 000E 14	SI 000F 15
1_	DLE 0010 16	DC1 0011 17	DC2 0012 18	DC3 0013 19	DC4 0014 20	NAK 0015 21	SYN 0016 22	ETB 0017 23	CAN 0018 24	EM 0019 25	SUB 001A 26	ESC 001B 27	FS 001C 28	GS 001D 29	RS 001E 30	US 001F 31
2_	SP 0020 32	! 0021 33	" 0022 34	# 0023 35	$ 0024 36	% 0025 37	& 0026 38	' 0027 39	( 0028 40	) 0029 41	* 002A 42	+ 002B 43	, 002C 44	- 002D 45	. 002E 46	/ 002F 47
3_	0 0030 48	1 0031 49	2 0032 50	3 0033 51	4 0034 52	5 0035 53	6 0036 54	7 0037 55	8 0038 56	9 0039 57	: 003A 58	; 003B 59	< 003C 60	= 003D 61	> 003E 62	? 003F 63
4_	@ 0040 64	A 0041 65	B 0042 66	C 0043 67	D 0044 68	E 0045 69	F 0046 70	G 0047 71	H 0048 72	I 0049 73	J 004A 74	K 004B 75	L 004C 76	M 004D 77	N 004E 78	O 004F 79
5_	P 0050 80	Q 0051 81	R 0052 82	S 0053 83	T 0054 84	U 0055 85	V 0056 86	W 0057 87	X 0058 88	Y 0059 89	Z 005A 90	[ 005B 91	\ 005C 92	] 005D 93	^ 005E 94	_ 005F 95
6_	` 0060 96	a 0061 97	b 0062 98	c 0063 99	d 0064 100	e 0065 101	f 0066 102	g 0067 103	h 0068 104	i 0069 105	j 006A 106	k 006B 107	l 006C 108	m 006D 109	n 006E 110	o 006F 111
7_	p 0070 112	q 0071 113	r 0072 114	s 0073 115	t 0074 116	u 0075 117	v 0076 118	w 0077 119	x 0078 120	y 0079 121	z 007A 122	{ 007B 123	\| 007C 124	} 007D 125	~ 007E 126	DEL 007F 127
8_	€ 20AC 128		‚ 201A 130	ƒ 0192 131	„ 201E 132	… 2026 133	† 2020 134	‡ 2021 135	ˆ 02C6 136	‰ 2030 137		‹ 2039 139	Œ 0152 140
9_		‘ 2018 145	’ 2019 146	“ 201C 147	” 201D 148	• 2022 149	– 2013 150	— 2014 151	˜ 02DC 152	™ 2122 153		› 203A 155	œ 0153 156			Ÿ 0178 159
A_	NBSP 00A0 160	¡ 00A1 161	¢ 00A2 162	£ 00A3 163	¤ 00A4 164	¥ 00A5 165	¦ 00A6 166	§ 00A7 167	¨ 00A8 168	© 00A9 169	ª 00AA 170	« 00AB 171	¬ 00AC 172	SHY 00AD 173	® 00AE 174	¯ 00AF 175
B_	° 00B0 176	± 00B1 177	² 00B2 178	³ 00B3 179	´ 00B4 180	µ 00B5 181	¶ 00B6 182	· 00B7 183	¸ 00B8 184	¹ 00B9 185	º 00BA 186	» 00BB 187	¼ 00BC 188	½ 00BD 189	¾ 00BE 190	¿ 00BF 191
C_	À 00C0 192	Á 00C1 193	Â 00C2 194	Ă 0102 195	Ä 00C4 196	Å 00C5 197	Æ 00C6 198	Ç 00C7 199	È 00C8 200	É 00C9 201	Ê 00CA 202	Ë 00CB 203	̀ 0300 204	Í 00CD 205	Î 00CE 206	Ï 00CF 207
D_	Đ 0110 208	Ñ 00D1 209	̉ 0309 210	Ó 00D3 211	Ô 00D4 212	Ơ 01A0 213	Ö 00D6 214	× 00D7 215	Ø 00D8 216	Ù 00D9 217	Ú 00DA 218	Û 00DB 219	Ü 00DC 220	Ư 01AF 221	̃ 0303 222	ß 00DF 223
E_	à 00E0 224	á 00E1 225	â 00E2 226	ă 0103 227	ä 00E4 228	å 00E5 229	æ 00E6 230	ç 00E7 231	è 00E8 232	é 00E9 233	ê 00EA 234	ë 00EB 235	́ 0301 236	í 00ED 237	î 00EE 238	ï 00EF 239
F_	đ 0111 240	ñ 00F1 241	̣ 0323 242	ó 00F3 243	ô 00F4 244	ơ 01A1 245	ö 00F6 246	÷ 00F7 247	ø 00F8 248	ù 00F9 249	ú 00FA 250	û 00FB 251	ü 00FC 252	ư 01B0 253	₫ 20AB 254	ÿ 00FF 255
	_0	_1	_2	_3	_4	_5	_6	_7	_8	_9	_A	_B	_C	_D	_E	_F

External links

v t e Character encodings

Character sets

Early telecommunications	ASCII ISO/IEC 646 ISO/IEC 6937 T.61 BCD (6-bit) Baudot code Morse code Chinese telegraph code

ISO/IEC 8859	-1 -2 -3 -4 -5 -6 -7 -8 -9 -10 -11 -12 -13 -14 -15 -16

Bibliographic use	ANSEL ISO 5426 / 5426-2 / 5427 / 5428 / 6438 / 6861 / 6862 / 10585 / 10586 / 10754 / 11822 MARC-8

National standards	ArmSCII CNS 11643 GOST 10859 GB 18030 HKSCS ISCII JIS X 0201 JIS X 0208 JIS X 0212 JIS X 0213 KPS 9566 KS X 1001 PASCII TIS-620 TSCII VISCII YUSCII

EUC	CN JP KR TW

ISO/IEC 2022	CN JP KR CCCII

MacOS codepages ("scripts")	Arabic CentralEurRoman ChineseSimp / EUC-CN ChineseTrad / Big5 Croatian Cyrillic Devanagari Dingbats Farsi Greek Gujarati Gurmukhi Hebrew Icelandic Japanese / ShiftJIS Korean / EUC-KR Roman Romanian Symbol Thai / TIS-620 Turkish Ukrainian

DOS codepages	437 667 668 720 737 770 773 775 790 808 819 850 851 852 853 854 855 857 858 860 861 862 863 864 865 866 867 868 869 872 895 912 915 932 991 Kamenický Mazovia MIK Iran System

Windows codepages	874 / TIS-620 932 / Shift JIS 936 / GBK 949 / EUC-KR 950 / Big5 1250 1251 1252 1253 1254 1255 1256 1257 1258 28604 54936 / GB18030

EBCDIC codepages	37/1140 273/1141 277/1142 278/1143 280/1144 284/1145 285/1146 297/1147 420/16804 424/12712 500/1148 838/1160 871/1149 875/9067 930/1390 933/1364 937/1371 935/1388 939/1399 1025/1154 1026/1155 1047/924 1112/1156 1122/1157 1123/1158 1130/1164 JEF KEIS

Platform specific	ATASCII CDC display code DEC-MCS DEC Radix-50 ELWRO-Junior Fieldata GSM 03.38 HP roman8 PETSCII TI calculator character sets WISCII ZX Spectrum character set

Unicode / ISO/IEC 10646	UTF-8 UTF-16/UCS-2 UTF-32/UCS-4 UTF-7 UTF-1 UTF-EBCDIC GB 18030 SCSU BOCU-1

Miscellaneous codepages	APL Cork HZ IBM code page 1133 KOI8 TRON

Related topics	control character (C0 C1) CCSID Character encodings in HTML charset detection Han unification ISO 6429/IEC 6429/ANSI X3.64 mojibake

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Windows-1258

Code page layout

See also

External links