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KOI8-O
Language(s)	Russian, Old Russian orthography, Belarusian, Ukrainian, Bulgarian, Serbian Cyrillic, Macedonian
Created by	Serge Winitzki
Classification	8-bit KOI, extended ASCII
Extends	KOI8-B
Based on	KOI8-RU, KOI8-F, Windows-1251
	v; t; e;

KOI8-O,^[1] formerly known as KOI8-C,^[2]^[3] is an 8-bit character set. FreeDOS calls it code page 63342.^[4] It supports Old Russian orthography, as well as the same languages as Windows-1251.

Character set

The following table shows the KOI8-O encoding. Each character is shown with its equivalent Unicode code point.

KOI8-O
	0	1	2	3	4	5	6	7	8	9	A	B	C	D	E	F
0x	NUL	◆ 25C6	▒ 2592	× 00D7	÷ 00F7	‰ 2030	≈ 2248	µ 00B5	± 00B1	¶ 00B6	‡ 2021	┘ 2518	┐ 2510	┌ 250C	└ 2514	┼ 253C
1x			─ 2500			├ 251C	┤ 2524	┴ 2534	┬ 252C	│ 2502	≤ 2264	≥ 2265	≠ 2260	π 03C0	¤ 00A4	² 00B2
2x	SP	!	"	#	$	%	&	'	(	)	*	+	,	-	.	/
3x	0	1	2	3	4	5	6	7	8	9	:	;	<	=	>	?
4x	@	A	B	C	D	E	F	G	H	I	J	K	L	M	N	O
5x	P	Q	R	S	T	U	V	W	X	Y	Z	[	\	]	^	_
6x	`	a	b	c	d	e	f	g	h	i	j	k	l	m	n	o
7x	p	q	r	s	t	u	v	w	x	y	z	{	\|	}	~	¬ 00AC
8x	Ђ 0402	Ѓ 0403	¸ 00B8	ѓ 0453	„ 2026	… 2518	† 2020	§ 00A7	€ 20AC	¨ 00A8	Љ 0409	‹ 2039	Њ 040A	Ќ 040C	Ћ 040B	Џ 040F
9x	ђ 0452	‘ 2018	’ 2019	“ 201C	” 201D	• 2022	– 2013	— 2014	£ 00A3	· 00B7	љ 0459	› 203A	њ 045A	ќ 045C	ћ 045B	џ 045F
Ax	NBSP	ѵ 0475	ѣ 0463	ё 0451	є 0454	ѕ 0455	і 0456	ї 0457	ј 0458	® 00AE	™ 2122	« 00AB	ѳ 0473	ґ 0491	ў 045E	´ 00B4
Bx	° 00B0	Ѵ 0474	Ѣ 0462	Ё 0401	Є 0404	Ѕ 0405	І 0406	Ї 0407	Ј 0408	№ 2116	¢ 00A2	» 00BB	Ѳ 0472	Ґ 0490	Ў 040E	© 00A9
Cx	ю 044E	а 0430	б 0431	ц 0446	д 0434	е 0435	ф 0444	г 0433	х 0445	и 0438	й 0439	к 043A	л 043B	м 043C	н 043D	о 043E
Dx	п 043F	я 044F	р 0440	с 0441	т 0442	у 0443	ж 0436	в 0432	ь 044C	ы 044B	з 0437	ш 0448	э 044D	щ 0449	ч 0447	ъ 044A
Ex	Ю 042E	А 0410	Б 0411	Ц 0426	Д 0414	Е 0415	Ф 0424	Г 0413	Х 0425	И 0418	Й 0419	К 041A	Л 041B	М 041C	Н 041D	О 041E
Fx	П 041F	Я 042F	Р 0420	С 0421	Т 0422	У 0423	Ж 0416	В 0412	Ь 042C	Ы 042B	З 0417	Ш 0428	Э 042D	Щ 0429	Ч 0427	Ъ 042A

References

^ "Cyrillic X11 fonts in koi8-o encoding".
^ Winitzki, Serge (2002-01-29). KOI8-C (Report). Internet Engineering Task Force.
^ "KOI8-C encoding".
^ "FreeDOS KOI code page numbers". GitHub.

[1] "Cyrillic X11 fonts in koi8-o encoding".

[2] Winitzki, Serge (2002-01-29). KOI8-C (Report). Internet Engineering Task Force.

[3] "KOI8-C encoding".

[4] "FreeDOS KOI code page numbers". GitHub.

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