The following Unicode-related documents record the purpose and process of defining specific characters in the Lao block:
| Version | Final code points| Count | UTC ID | L2 ID | WG2 ID | Document | |
|---|
| 1.0.0 | U+0E81..0E82, 0E84, 0E87..0E88, 0E8A, 0E8D, 0E94..0E97, 0E99..0E9F, 0EA1..0EA3, 0EA5, 0EA7, 0EAA..0EAB, 0EAD..0EB9, 0EBB..0EBD, 0EC0..0EC4, 0EC6, 0EC8..0ECD, 0ED0..0ED9, 0EDC..0EDD | 65 | UTC/1991-058}} | title=Thai, Lao|first=Ken|last=Whistler}} |
| [https://www.unicode.org/L2/L1991-UTC/UTC46-draft.txt UTC/1991-048B]}} | title=Draft Minutes from the UTC meeting #46 day 2, 3/27 at Apple|date=1991-03-27|first=Ken|last=Whistler|section=Thai, Lao}} |
| [https://www.unicode.org/L2/L1992-UTC/UTC52-draft.txt UTC/1992-xxx]}} | title=Unconfirmed minutes for UTC Meeting #52, May 8, 1992 at Xerox|date=1992-05-12|first=Asmus|last=Freytag|section=B. Indic SC}} |
| [https://www.unicode.org/L2/L2002/02017-whistler.pdf L2/02-017]}} | title=Character Properties for avagrahas, etc.|date=2002-01-14|first=Ken|last=Whistler}} |
| [https://www.unicode.org/L2/L2005/05357-west-lao.pdf L2/05-357]}} | title=Note on Lao Character Names|date=2005-10-30|first=Andrew|last=West|authorlink=Andrew West (linguist)}} |
| 6.1 | U+0EDE..0EDF | 2 | [https://www.unicode.org/L2/L2010/10335r-n3893r-lao-hosken.pdf L2/10-335]}} | [https://www.unicode.org/wg2/docs/n3893.pdf N3893R] | title=Proposal to add minority characters to Lao script|date=2010-10-05|first=Martin|last=Hosken}} |
| 12.0 | U+0E86, 0E89, 0E8C, 0E8E..0E93, 0E98, 0EA0, 0EA8..0EA9, 0EAC, 0EBA | 15 | [https://www.unicode.org/L2/L2017/17106r-lao-for-pali.pdf L2/17-106R]}} | [https://www.unicode.org/wg2/docs/n4861-17106r-lao-for-pali.pdf N4861] | title=Proposal to Encode Lao Characters for Pali (revised)|date=2017-07-19|first1=Vinodh|last1=Rajan|first2=Ben|last2=Mitchell|first3=Martin|last3=Jansche|first4=Sascha|last4=Brawer}} |
| [https://www.unicode.org/L2/L2017/17255-script-ad-hoc.pdf L2/17-255]}} | title=Recommendations to UTC #152 July-August 2017 on Script Proposals|date=2017-07-28|first1=Deborah|last1=Anderson|first2=Ken|last2=Whistler|first3=Roozbeh|last3=Pournader|first4=Lisa|last4=Moore|first5=Hai|last5=Liang|section=6. Lao}} |
| [https://www.unicode.org/L2/L2017/17222.htm L2/17-222]}} | title=UTC #152 Minutes|date=2017-08-11|first=Lisa|last=Moore|section=D.4}} |
1. ^{{cite web|url=https://www.unicode.org/versions/Unicode1.0.0/Notice.pdf|title=Unicode 1.0.1 Addendum|work=The Unicode Standard|date=1992-11-03|accessdate=2016-07-09}}
2. ^{{cite web|url=https://www.unicode.org|title=Unicode character database|work=The Unicode Standard|accessdate=2016-07-09}}
3. ^{{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}}
|