老傣仂文 (Unicode區段)

老傣仂文（Tai Tham）是一個位於基本多文种平面的Unicode區段，其收錄了用於書寫北部泰語、傣仂語、傣痕语的老傣仂文。

 區段 
老傣仂文區段共包含了144個碼位（U+1A20－U+1AAF），其中127個碼位已分配字符。詳細列表如下：

歷史
127個字符中最初提案的123個原提案於 L2/07-007R、另兩個（U+1A5C 和 U+1A7C)）提案於L2/08-037R2、最後兩個（U+1A5D and U+1A5E）則提案於 L2/08-073。這三個文件中的最後一個修改了三個文件中第一個給出的U+1A37和U +1A38的定義。

以下Unicode文檔記錄了與本區段的相關提案： 
 Unicode版本  最終碼位  碼位數   ID   ID  文檔 5.2  U+1A20..1A5E, 1A60..1A7C, 1A7F..1A89, 1A90..1A99, 1AA0..1AAD  127    N2042      N1013      doc )                     N3121R      N3159      N3161      N3169R      doc )         N3207      N3238      N3239      doc )          doc )     N3313      N3342      N3346          N3379R2      N3384           doc )    + appendices    [affected U+1A55, 1A60, 1A80-1A89, 1A90-1A99]    [affected U+1A56-1A5E, 1A75-1A7C, 1A7F]    [affected U+1A57, 1A5A-1A5E, 1A74, 1A7A]    [affected U+1A57, 1A5A-1A5E, 1A74, 1A7A]    [affected U+1A57, 1A5A-1A5E, 1A74, 1A7A]    [affected U+1A5A]    [affected U+1A5A]    [documented U+1A69 & U+1A6A]    [documented U+1A69 & U+1A6A]    [documented U+1A69 & U+1A6A] 
 參考資料 

 外部鏈結 
Chew, P., Saengboon, P., & Wordingham, R. (2015). "Tai Tham: A Hybrid Script that Challenges Current Encoding Models" . Presented at the Internationalization and Unicode Conference (IUC 39).
Martin Husken意圖修改傣曇文爲形碼的提案 

Category:Unicode區段