Symbols for Legacy Computing: Difference between revisions

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Line 6: \|alphabets = \|13_0 = 212 \|16_0 = 37 \|note = <ref>{{~~cite~~Cite web\|url=https://www.unicode.org/ucd/\|title=Unicode character database\|work=The Unicode Standard\|~~accessdate~~access-date=~~2020~~2023-0307-1126}}</ref><ref>{{~~cite~~Cite web\|url=https://www.unicode.org/versions/enumeratedversions.html\|title=Enumerated Versions of The Unicode Standard\|work=The Unicode Standard\|~~accessdate~~access-date=~~2020~~2023-0307-1126}}</ref> }} '''Symbols for Legacy Computing''' is a [[Unicode block]] containing graphic characters that were used for various [[home computer]]s from the 1970s and 1980s and in [[~~Teletext~~teletext]] broadcasting standards. It includes characters from the [[Amstrad CPC character set\|Amstrad CPC]], [[MSX character set\|MSX]], [[~~Mattel Aquarius character set\|~~Mattel Aquarius]], [[RISC OS character set\|RISC OS]], [[MouseText]], [[Atari ST character set\|Atari ST]], [[TRS-80 Color Computer]], [[Oric computers\|Oric]], [[TI-99/4A\|Texas Instruments TI-99/4A]], [[TRS-80 character set\|TRS-80]], [[Minitel]], [[Teletext character set\|Teletext]], [[ATASCII]], [[PETSCII]], [[ZX80 character set\|ZX80]], and [[ZX81 character set\|ZX81]] character sets~~, as well as~~. [[~~semigraphics~~Semigraphics]] characters are also included in the form of new block-shaped characters, line-drawing characters, and 60 "sextant" characters (semigraphic character made up of six smaller blocks).<ref>{{cite web \|url=https://www.unicode.org/L2/L2018/18235-terminals-prop.pdf \|title=Proposal to add characters from legacy computers and teletext to the UCS \|~~accessdate~~access-date=2020-03-11}}</ref><ref>{{cite web \|url=https://www.unicode.org/L2/L2018/18235-aux-LegacyComputingSources.pdf \|title=Legacy Computing Sources \|~~accessdate~~access-date=2020-03-11}}</ref> Additional characters were added to this block in Unicode 16.0 as well. A supplemental block ([[Symbols for Legacy Computing Supplement]]) was added with Unicode 16.0. ==Block== {{Contains special characters\|Uncommon Unicode\|section=table}} ~~\| special = uncommon [[Unicode]] characters~~ ~~\| fix = Help:Multilingual support~~ ~~\| image = Replacement character.svg~~ ~~\| link = Specials (Unicode block)#Replacement character~~ ~~\| alt = <?>~~ ~~\| compact = yes~~ ~~\|section = table~~ }} {{Unicode chart Symbols for Legacy Computing}} The image below is provided as quick reference for these symbols on systems that are unable to display them directly (it shows characters newly assigned in Unicode 16.0): [[File:UCB Symbols for Legacy Computing.png\|600px\|left]]{{clear}} ==History== The following Unicode-related documents record the purpose and process of defining specific characters in the Symbols for Legacy Computing block: {{sticky header}} {\| class="wikitable sticky-header" \|- ! [[Unicode#Versions\|Version]] !! {{nobr\|Final code points<ref group=lower-alpha name=final/>}} !! Count !! [[International Committee for Information Technology Standards\|L2]] ID !! [[ISO/IEC JTC 1/SC 2\|WG2]] ID !! Document \|- \| rowspan="10" \| 13.0 \|\| rowspan="10" width="180" \| U+1FB00..1FB92, 1FB94..1FBCA, 1FBF0..1FBF9 \|\| rowspan="10" \| ~~213~~212 \|\| {{nobr\|[https://www.unicode.org/L2/L2017/17435r-terminals-prop.pdf L2/17-435R]}} \|\| \|\| {{Citation\|title=Proposal to add characters from legacy computers and teletext to the UCS\|date=2018-04-23\|first1=Doug\|last1=Ewell\|first2=Rebecca\|last2=Bettencourt\|first3=Michael\|last3=Everson\|~~authorlink3~~author-link3=Michael Everson\|first4=Eduardo Marín\|last4=Silva\|first5=Elias\|last5=Mårtenson\|first6=Mark\|last6=Shoulson\|first7=Shawn\|last7=Steele\|first8=Rebecca\|last8=Turner\|ref=none}} \|- \| {{nobr\|[https://www.unicode.org/L2/L2018/18039-script-adhoc-rec.pdf L2/18-039]}} \|\| \|\| {{Citation\|title=Recommendations to UTC #154 January 2018 on Script Proposals\|date=2018-01-19\|first1=Deborah\|last1=Anderson\|first2=Ken\|last2=Whistler\|first3=Roozbeh\|last3=Pournader\|first4=Lisa\|last4=Moore\|first5=Hai\|last5=Liang\|first6=Richard\|last6=Cook\|ref=none\|section=26}} \|- \| {{nobr\|[https://www.unicode.org/L2/L2018/18235-terminals-prop.pdf L2/18-235 (full],}} [https://www.unicode.org/L2/L2018/18235-terminals-prop-no-attachments.pdf no_attach], [https://www.unicode.org/L2/L2018/18235-aux-LegacyComputingSources.pdf sources], [https://www.unicode.org/L2/L2018/18235-aux-mappings.zip mappings_zip]) \|\| \|\| {{Citation\|title=Proposal to add characters from legacy computers and teletext to the UCS\|date=2018-07-20\|first1=Doug\|last1=Ewell\|first2=Rebecca\|last2=Bettencourt\|first3=Ricardo\|last3=Bánffy\|first4=Michael\|last4=Everson\|first5=Eduardo Marín\|last5=Silva\|first6=Elias\|last6=Mårtenson\|first7=Mark\|last7=Shoulson\|first8=Shawn\|last8=Steele\|first9=Rebecca\|last9=Turner\|ref=none}} \|- \| {{nobr\|[https://www.unicode.org/L2/L2018/18241-script-ad-hoc.pdf L2/18-241]}} \|\| \|\| {{Citation\|title=Recommendations to UTC # 156 July 2018 on Script Proposals\|date=2018-07-2520\|first1=Deborah\|last1=Anderson\|display-authors=etal\|ref=none\|section=19}} \|- \| {{nobr\|[https://www.unicode.org/L2/L2018/18275r-terminals-prop.pdf L2/18-275R (full],}} [https://www.unicode.org/L2/L2018/18275r-terminals-prop-no-attachments.pdf no_attach], [https://www.unicode.org/L2/L2018/18275r-aux-LegacyComputingSources.pdf sources], [https://www.unicode.org/L2/L2018/18275r-aux-mappings.zip mappings_zip]) \|\| \|\| {{Citation\|title=Proposal to add characters from legacy computers and teletext to the UCS\|date=2018-09-06\|first1=Doug\|last1=Ewell\|first2=Rebecca\|last2=Bettencourt\|first3=Ricardo\|last3=Bánffy\|first4=Michael\|last4=Everson\|first5=Eduardo Marín\|last5=Silva\|first6=Elias\|last6=Mårtenson\|first7=Mark\|last7=Shoulson\|first8=Shawn\|last8=Steele\|first9=Rebecca\|last9=Turner\|ref=none}} \|- \| {{nobr\|[https://www.unicode.org/L2/L2018/18300-script-ad-hoc-rec.pdf L2/18-300]}} \|\| \|\| {{Citation\|title=Recommendations to UTC #157 on Script Proposals\|date=2018-09-14\|first1=Deborah\|last1=Anderson\|display-authors=etal\|ref=none\|section=11}} \|- \| {{nobr\|[https://www.unicode.org/L2/L2019/19025-terminals-prop.pdf L2/19-025 (full],}} [https://www.unicode.org/L2/L2019/19025-terminals-prop-no-attachments.pdf no_attach], [https://www.unicode.org/L2/L2019/19025-aux-LegacyComputingSources.pdf sources], [https://www.unicode.org/L2/L2019/19025-aux-mappings.zip mappings_zip]) \|\| [https://www.unicode.org/wg2/docs/n5028-19025-terminals-prop.pdf N5028] \|\| {{Citation\|title=Proposal to add characters from legacy computers and teletext to the UCS\|date=2019-01-04\|first1=Doug\|last1=Ewell\|first2=Rebecca\|last2=Bettencourt\|first3=Ricardo\|last3=Bánffy\|first4=Michael\|last4=Everson\|first5=Eduardo Marín\|last5=Silva\|first6=Elias\|last6=Mårtenson\|first7=Mark\|last7=Shoulson\|first8=Shawn\|last8=Steele\|first9=Rebecca\|last9=Turner\|ref=none}} \|- \| {{nobr\|[https://www.unicode.org/L2/L2019/19047-script-adhoc-recs.pdf L2/19-047]}} \|\| \|\| {{Citation\|title=Recommendations to UTC #158 January 2019 on Script Proposals\|date=2019-01-13\|first1=Deborah\|last1=Anderson\|display-authors=etal\|ref=none\|section=24}} \|- \| {{nobr\|[https://www.unicode.org/L2/L2019/19008.htm L2/19-008]}} \|\| \|\| {{Citation\|title=UTC #158 Minutes\|date=2019-02-08\|first=Lisa\|last=Moore\|ref=none\|section=E.2}} \|- \| {{nobr\|[https://www.unicode.org/L2/L2020/20015.htm L2/20-~~015~~015R]}} \|\| \|\| {{Citation\|title=Draft Minutes of UTC Meeting 162\|date=2020-0105-2314\|first=Lisa\|last=Moore\|ref=none\|section=B.10.17.2}} \|- \| rowspan="4" \| 16.0 \|\| rowspan="4" \| U+1FBCB..1FBEF \|\| rowspan="4" \| 37 \|\| {{nobr\|[https://www.unicode.org/L2/L2021/21235-terminals-supplement.pdf L2/21-235 (full],}} [https://www.unicode.org/L2/L2021/21235-terminals-supplement-noattach.pdf no_attach], [https://www.unicode.org/L2/L2021/21235-terminals-supplement-sources.pdf sources], [https://www.unicode.org/L2/L2021/21235-terminals-supplement-mappings.zip mappings_zip]) \|\| \|\| {{Citation\|title=Proposal to add further characters from legacy computers and teletext to the UCS\|date=2021-12-20\|first1=Rebecca\|last1=Bettencourt\|first2=Doug\|last2=Ewell\|first3=Ricardo\|last3=Bánffy\|first4=Michael\|last4=Everson\|first5=Jarkko\|last5=Hietaniemi\|first6=Eduardo Marín\|last6=Silva\|first7=Elias\|last7=Mårtenson\|first8=Mark\|last8=Shoulson\|first9=Shawn\|last9=Steele\|first10=Rebecca\|last10=Turner\|ref=none}} \|- \| {{nobr\|[https://www.unicode.org/L2/L2022/22023-script-adhoc-rept.pdf L2/22-023]}} \|\| \|\| {{Citation\|title=Recommendations to UTC #170 January 2022 on Script Proposals\|date=2022-01-22\|first1=Deborah\|last1=Anderson\|first2=Ken\|last2=Whistler\|first3=Roozbeh\|last3=Pournader\|first4=Peter\|last4=Constable\|ref=none\|section=17 Legacy Computing Symbols}} \|- \| {{nobr\|[https://www.unicode.org/L2/L2021/21235r-terminals-supplement.pdf L2/21-235R (full],}} [https://www.unicode.org/L2/L2021/21235r-terminals-supplement-noattach.pdf no_attach]) \|\| \|\| {{Citation\|title=Proposal to add further characters from legacy computers and teletext to the UCS\|date=2022-01-26\|first1=Rebecca\|last1=Bettencourt\|first2=Doug\|last2=Ewell\|first3=Ricardo\|last3=Bánffy\|first4=Michael\|last4=Everson\|first5=Jarkko\|last5=Hietaniemi\|first6=Eduardo Marín\|last6=Silva\|first7=Elias\|last7=Mårtenson\|first8=Mark\|last8=Shoulson\|first9=Shawn\|last9=Steele\|first10=Rebecca\|last10=Turner\|ref=none}} \|- \| {{nobr\|[https://www.unicode.org/L2/L2022/22016.htm L2/22-016]}} \|\| \|\| {{Citation\|title=UTC #170 Minutes\|date=2022-04-21\|first=Peter\|last=Constable\|ref=none\|section=D.1 17 Legacy Computing Symbols}} \|- class="sortbottom" \| colspan="6" \| {{reflist\|group=lower-alpha\|refs=<ref name=final>Proposed code points and characters names may differ from final code points and names</ref>}} Line 54 ⟶ 62: ==See also== * [[Box-drawing characters]] * [[Supplemental Arrows-C]] Unicode block characters {{unichar\|1F8B0\|ARROW POINTING UPWARDS THEN NORTH WEST}} and {{unichar\|1F8B1\|ARROW POINTING RIGHTWARDS THEN CURVING SOUTH WEST}} * [[~~Block Elements~~Dingbat]] * other Unicode blocks [[Box Drawing]] [[Block Elements]] [[Geometric Shapes (Unicode block)\|Geometric Shapes]] [[Halfwidth and Fullwidth Forms (Unicode block)\|Halfwidth and Fullwidth Forms]] [[Supplemental Arrows-C]] [[Symbols for Legacy Computing Supplement]] ==References== {{reflist}} == External links == * [https://devblogs.microsoft.com/commandline/cascadia-code-2404-23/ Cascadia Code 2404.23] – release notes for [[Cascadia Code]], which shows the rendering of Symbols for Legacy Computing Supplement characters [[Category:Unicode blocks]]