|310||New Character Property for Prepended Concatenation Marks||Closing Date: 2016.01.18|
|Informal Discussion:||Unicode Mail List (Join)|
|Formal Feedback:||Contact Form|
|Resolution:||The property will be added and published in Unicode 9.0.|
Description of Issue:
The Unicode Technical Committee is seeking feedback on a proposal to define a new character property for the class of prepended concatenation marks, also referred to as prefixed format control characters or, more generically, as subtending marks. Characters in that class include U+0600 ARABIC NUMBER SIGN and U+06DD ARABIC END OF AYAH. The new property, named Prepended_Concatenation_Mark and targeted for Unicode 9.0, would provide a mechanism to handle subtending marks collectively via properties rather than by hardcoded enumeration. A detailed description of the property is given in the background document.
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