UAE Dirham sign version 2

[jowilco]

See https://github.com/unicode-org/sah/issues/650 and L2/25-159,

[184-C17] Consensus: UTC accepts U+20C3 UAE DIRHAM SIGN for encoding in the Currency Symbols block based on L2/25-159, for Unicode Version 18.0. [Ref. 2.1 in L2/25-187]

https://github.com/unicode-org/utc-release-management/issues/232

[Copilot]

Pull Request Overview

This PR adds the UAE Dirham Sign character (U+20C3) to Unicode Version 17.0, following the UTC consensus decision [184-C17] to encode this currency symbol in the Currency Symbols block.

• Adds the new UAE DIRHAM SIGN character with Unicode codepoint 20C3
• Updates all relevant Unicode data files with appropriate properties for the new character
• Includes comparison testing configuration to verify the character properties match expected patterns

Reviewed Changes

Copilot reviewed 14 out of 14 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
232.txt	Adds property comparison tests for the new UAE DIRHAM SIGN character
DerivedName.txt	Adds the character name mapping for U+20C3
DerivedLineBreak.txt	Assigns line break property PR (Prefix) to the new character
DerivedGeneralCategory.txt	Assigns general category Sc (Symbol, currency) to the new character
DerivedEastAsianWidth.txt	Assigns East Asian width property N (Neutral) to the new character
DerivedCombiningClass.txt	Assigns combining class 0 (non-combining) to the new character
DerivedBidiClass.txt	Assigns bidirectional class ET (European Number Terminator) to the new character
VerticalOrientation.txt	Assigns vertical orientation property R (Rotate) to the new character
UnicodeData.txt	Adds the complete character definition with all basic properties
Scripts.txt	Assigns script property Common to the new character
LineBreak.txt	Updates line break property assignments to include the new character
EastAsianWidth.txt	Updates East Asian width property assignments to include the new character
DerivedCoreProperties.txt	Assigns core property Grapheme_Base to the new character
DerivedAge.txt	Assigns age property 17.0 to the new character

[markusicu]

lgtm for this stage

I think we just ignore the IDNA test failure until this PR is merged and we then also regenerate the data files for idna/security/uca.