Basic Latin (Unicode block): Difference between revisions

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{{for|a list of all Latin characters encoded in Unicode|Latin script in Unicode}}

{{also|Latin-1 Supplement|l1=C1 Controls and Latin-1 Supplement (Unicode block)}}

{{Infobox Unicode block

|blockname = Basic Latin<br/>{{nobold|1=''or''}}<br/>C0 Controls and Basic Latin

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|controls = 33

|sources = [[ISO/IEC 8859]], [[ISO 646]]

|note = <ref>{{cite web|url=https://www.unicode.org/ucd/|title=Unicode character database|work=The Unicode Standard|accessdate=20162023-07-0926}}</ref><ref>{{cite web|url=https://www.unicode.org/versions/enumeratedversions.html|title=Enumerated Versions of The Unicode Standard|work=The Unicode Standard|accessdate=20162023-07-0926}}</ref>

|codechart = https://www.unicode.org/charts/PDF/U0000.pdf

|note = <ref>{{cite web|url=https://www.unicode.org|title=Unicode character database|work=The Unicode Standard|accessdate=2016-07-09}}</ref><ref>{{cite web|url=https://www.unicode.org/versions/enumeratedversions.html|title=Enumerated Versions of The Unicode Standard|work=The Unicode Standard|accessdate=2016-07-09}}</ref>

}}

The '''Basic Latin''' [[Unicode block]],<ref>{{cite web|url=https://www.unicode.org/Public/UCD/latest/ucd/Blocks.txt|title=block.txt|accessdate=232023-03-202323|publisher=The Unicode Consortium}}</ref> sometimes informally called '''C0 Controls and Basic Latin''',<ref>{{cite web|url=https://www.unicode.org/charts/PDF/U0000.pdf|title=C0 Controls and Basic Latin|work=The Unicode Standard, Version 15.0|publisher=[[Unicode Consortium|Unicode, Inc.]]|year=2022|access-date=March 22, 2023}}</ref> is the first block of the [[Unicode]] standard, and the only block which is encoded in one byte in [[UTF-8]]. The block contains all the [[ISO basic Latin alphabet|letters]] and [[ASCII control character|control codes]] of the ASCII encoding. It ranges from U+0000 to U+007F, contains 128 characters and includes the [[C0 controls]], ASCII [[punctuation]] and [[symbol]]s, [[ASCII]] [[numerical digit|digits]], both the [[uppercase]] and [[lowercase]] of the [[English alphabet]] and a [[control character]].

The Basic Latin block was included in its present form from version 1.0.0 of the Unicode Standard, without addition or alteration of the character repertoire.<ref name=Unicode1.0>{{cite book|title=The Unicode Standard Version 1.0, Volume 1|year=1990|publisher=Addison-Wesley Publishing Company, Inc.|isbn=0-201-56788-1}}</ref> Its block name in Unicode 1.0 was '''ASCII'''.<ref>{{cite web |url=https://www.unicode.org/versions/Unicode1.0.0/CodeCharts2.pdf |work=The Unicode Standard |version=version 1.0 |title=3.8: Block-by-Block Charts |publisher=[[Unicode Consortium]]}}</ref>

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|U+005B

|&#91;

|[[Bracket#BoxSquare brackets or square brackets .5B .5D|Left Square Bracket]]

|

|-

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|U+005D

|&#93;

|[[Bracket#BoxSquare brackets or square brackets .5B .5D|Right Square Bracket]]

|

|-

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|U+007B

|{

|[[Bracket#Curly brackets or braces .7B .7D|Left Curly Bracket]]

|

|-

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|U+007D

| }

|[[Bracket#Curly brackets or braces .7B .7D|Right Curly Bracket]]

|

|-

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===C0 controls===

The [[C0 and C1 control codes|C0 Controls]], referred to as C0 ASCII control codes in version 1.0, are inherited from ASCII and other 7-bit and 8-bit encoding schemes. The Alias names for C0 controls are taken from the [[ISO/IEC 6429|ISO/IEC 6429:1992]] standard.<ref name=charts />

===ASCII punctuation and symbols===

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===Control character===

The Control Character subheading contains the [[Delete character|"Delete" character]].<ref name=charts />

==Number of symbols, letters and control codes==

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A variant is defined for a zero with a short diagonal stroke: U+0030 DIGIT ZERO, U+FE00 VS1 (0&#xfe00;).<ref>{{cite web|url=https://www.unicode.org/L2/L2015/15268-slashed-zero.pdf|title=L2/15-268: Proposal to Represent the Slashed Zero Variant of Empty Set|date=2015-10-30|first1=Barbara|last1=Beeton|first2=Asmus|last2=Freytag|first3=Laurențiu|last3=Iancu|first4=Murray|last4=Sargent}}</ref><ref name="uts51"/>

Twelve characters (#, *, and the digits) can be followed by U+FE0E VS15 or U+FE0F VS16 to create [[emoji]] variants.<ref>{{cite web|url=https://www.unicode.org/L2/L2011/11438-emoji-var.pdf|title=L2/11-438: Emoji Variation Sequences (Revision of L2/11-429)|date=2011-12-22|first=Peter|last=Edberg}}</ref><ref>{{cite web|url=https://www.unicode.org/L2/L2015/15301-emoji-sequences.pdf|title=L2/15-301: A proposal for 278 standardized variation sequences for emoji|date=2015-11-01|first=Roozbeh|last=Pournader}}</ref><ref name="UTR51">{{Cite web|url=http://unicode.org/reports/tr51/|title=UTR #51: Unicode Emoji|publisher=Unicode Consortium|date=20202023-0209-1105}}</ref><ref name="EmojiData">{{Cite web|url=https://unicode.org/Public/UNIDATA/emoji/emoji-data.txt|title=UCD: Emoji Data for UTR #51|publisher=Unicode Consortium|date=20212023-0802-2601}}</ref>

They are [[keycap]] base characters, for example #️⃣ (U+0023 NUMBER SIGN U+FE0F VS16 U+20E3 COMBINING ENCLOSING KEYCAP). The VS15 version is "text presentation" while the VS16 version is "emoji-style".<ref name="uts51">{{Cite web|url=https://unicode.org/Public/UNIDATA/emoji/emoji-variation-sequences.txt|title=UTS #51 Emoji Variation Sequences | publisher=The Unicode Consortium}}</ref>

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The following Unicode-related documents record the purpose and process of defining specific characters in the Basic Latin block:

{{sticky header}}

{| class="wikitable sticky-header"

|-

! [[Unicode#Versions|Version]] !! {{nobr|Final code points<ref group=lower-alpha name=final/>}} !! Count !! [[Unicode Consortium|UTC]]&nbsp;ID !! [[International Committee for Information Technology Standards|L2]]&nbsp;ID !! [[ISO/IEC JTC 1/SC 2|WG2]]&nbsp;ID !! Document

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==See also==

{{portal|Internet|Language}}

*[[Latin script in Unicode]]

*[[Character set]]

*[[ISO 8859Latin-1 Supplement]]

*[[Character setencoding]]

*[[ISO/IEC 8859-1]]

*[[Latin script]]

*[[ISO basic Latin alphabet]]

*[[List of Basic Latin characters]] in [[English language|English]], [[German language|German]], [[French language|French]], [[Spanish language|Spanish]], and [[Latin language|Latin]]

{{clear}}

==References==

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==External links==

{{Spoken Wikipedia|date=2023-11-08|En-Basic Latin (Unicode block)-article.ogg}}

{{sister project links|Unicode}}

{{Unicode navigation}}