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The following Unicode-related documents record the purpose and process of defining specific characters in the Tai Tham block:
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! class="unsortable"[[Unicode#Versions|Version]] |!! {{nobr|Final code points<ref group=lower-alpha name=final/>}} !! class="unsortable" | Count !! class="unsortable" | [[Unicode#Versions|Version]] !! [[International Committee for Information Technology Standards|L2]] ID !! [[ISO/IEC JTC 1/SC 2|WG2]] ID !! class="unsortable" | Document
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| rowspan="21" | 5.2 || rowspan="21" width="180" | U+1A20..1A5E, 1A60..1A7C, 1A7F..1A89, 1A90..1A99, 1AA0..1AAD || rowspan="21" | 127 || rowspan="21" {{nobr| 5.2 || data-sort-value="1994-088" | X3L2/94-088}} || [http://www.evertype.com/standards/tai/n1013-lanna.pdf N1013] || {{Citation|title=The Motion on the Coding of the Old Xishuang Banna Dai Writing, Entering into BMP of ISO/IEC 10646|date=1994-04-18}}
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| || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n1099.pdf N1099] || {{Citation|title=The motion on coding of the Old Xishuang Banna Dai Writing Entering into BMP of ISO/IEC 10646|date=1994-10-10}}
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| data-sort-value="1999-245" {{nobr| [http://www.unicode.org/L2/L1999/n2042.pdf L2/99-245]}} || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n2042.pdf N2042] || {{Citation|title=Unicode Technical Report #3: Early Aramaic, Balti, Kirat (Limbu), Manipuri (Meitei) and Tai Lü scripts|date=1999-07-20|first1=Michael|last1=Everson|authorlink1=Michael Everson|first2=Rick|last2=McGowan}}
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| data-sort-value="2001-170" {{nobr| [http://www.unicode.org/L2/L2001/01170-comm2242.htm L2/01-170]}} || || {{Citation|title=Comments on SC2/WG2 N2242|date=2001-04-17|first=Peter|last=Constable}}
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| data-sort-value="2004-351" {{nobr| [http://www.unicode.org/L2/L2004/04351-lanna.pdf L2/04-351]}} || || {{Citation|title=Lanna Unicode: A Draft Proposal|date=2004-06-28|first=Martin|last=Hosken}}
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| data-sort-value="2005-095R" {{nobr| [http://www.unicode.org/L2/L2005/05095r-lanna.pdf L2/05-095R]}} || || {{Citation|title=Lanna Unicode: A Proposal|date=2005-04-25|first=Martin|last=Hosken}}
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| data-sort-value="2005-166" {{nobr| [http://www.unicode.org/L2/L2005/05166-dekalb-gk-vb.pdf L2/05-166]}} || || {{Citation|title=Towards a Computerization of the Lao Tham System of Writing|date=2005-07-15|first1=G.|last1=Kourilsky|first2=V.|last2=Berment}}
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| data-sort-value="2005-188" {{nobr| [http://www.unicode.org/L2/L2005/05188-respond-05166.pdf L2/05-188]}} || || {{Citation|title=Lao Tham in Terms of Lanna: a response to L2/05-166 from L2/05-095|date=2005-08-02|first=Martin|last=Hosken}}
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| data-sort-value="2006-258R" {{nobr| [http://www.unicode.org/L2/L2006/06258r-n3121-lanna.pdf L2/06-258R]}} || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n3121.pdf N3121R] || {{Citation|title=Proposal for encoding the Lanna script in the BMP of the UCS|date=2006-09-09|first1=Michael|last1=Everson|first2=Martin|last2=Hosken}}
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| data-sort-value="2006-311" {{nobr| [http://www.unicode.org/L2/L2006/06311-lanna-comments.pdf L2/06-311]}} || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n3159.pdf N3159] || {{Citation|title=Response to N3121R: Proposal for encoding the Lanna script in the BMP of the UCS|date=2006-09-20|first=Ngwe|last=Tun}}
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| data-sort-value="2006-319" {{nobr| [http://www.unicode.org/L2/L2006/06319-n3161.pdf L2/06-319]}} || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n3161.pdf N3161] || {{Citation|title=Opinions on N3121-Lanna script|date=2006-09-22}}
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| data-sort-value="2006-320" {{nobr| [http://www.unicode.org/L2/L2006/06320-n3169-lanna-adhoc.pdf L2/06-320]}} || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n3169.pdf N3169R] || {{Citation|title=Lanna ad-hoc report|date=2006-09-26|first1=Chen|last1=Zhuang|first2=Michael|last2=Everson|first3=Martin|last3=Hosken|first4=Wei|last4=Lin-Mei}}
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| data-sort-value="2007-007R" {{nobr| [http://www.unicode.org/L2/L2007/07007r-n3207r-lanna.pdf L2/07-007R]}} || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n3207.pdf N3207] || {{Citation|title=Revised proposal for encoding the Lanna script in the BMP of the UCS|date=2007-03-21|first1=Michael|last1=Everson|first2=Martin|last2=Hosken|first3=Peter|last3=Constable}}
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| data-sort-value="2007-101" {{nobr| [http://www.unicode.org/L2/L2007/07101-n3238.pdf L2/07-101]}} || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n3238.pdf N3238] || {{Citation|title=Proposing on Encoding Old Tai Lue|date=2007-04-03}}
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| data-sort-value="2007-098" {{nobr| [http://www.unicode.org/L2/L2007/07098-n3239-n3238-response.pdf L2/07-098]}} || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n3239.pdf N3239] || {{Citation|title=Response to Chinese contribution N3238, “Proposing on Encoding Old Tai Lue”|date=2007-04-11}}
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| data-sort-value="2007-307" {{nobr| [http://www.unicode.org/L2/L2007/07307-n3313.pdf L2/07-307]}} || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n3313.pdf N3313] || {{Citation|title=Comments on Lanna encoding in FPDAM4|date=2007-09-06}}
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| data-sort-value="2007-316" {{nobr| [http://www.unicode.org/L2/L2007/07316-n3342.pdf L2/07-316]}} || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n3342.pdf N3342] || {{Citation|title=Response to N3313 |date=2007-09-10|first=Martin|last=Hosken}}
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| data-sort-value="2007-319" {{nobr| [http://www.unicode.org/L2/L2007/07319-n3346.pdf L2/07-319]}} || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n3346.pdf N3346] || {{Citation|title=Ad hoc report on Lanna|date=2007-09-19}}
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| data-sort-value="2007-420" {{nobr| [http://www.unicode.org/L2/L2007/07420-n3374-tai-tham-adhoc.pdf L2/07-420]}} || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n3374.pdf N3374] || {{Citation|title=Tai Tham ad-hoc meeting 21-22 Jan 2008, Payap University, ChiangMai, Thailand|date=2007-12-20}}
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| data-sort-value="2008-073" {{nobr| [http://www.unicode.org/L2/L2008/08073-subjoin-tham.pdf L2/08-073]}} || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n3384.pdf N3384] || {{Citation|title=Tai Tham Subjoined Variants|date=2008-01-28|first=Martin|last=Hosken}}
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| data-sort-value="2008-037R2" {{nobr| [http://www.unicode.org/L2/L2008/08037r2-n3379r2.pdf L2/08-037R2]}} || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n3379.pdf N3379] || {{Citation|title=Tai Tham Ad-hoc Meeting Report|date=2008-04-18|first=Peter|last=Constable}}
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| 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>}}
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