add API for Indic_Positional_Category & Indic_Syllabic_Category

Description

See http://www.unicode.org/reports/tr44/#IndicPositionalCategory.txt

For completeness, we probably want to provide API for these recently added enumerated properties. However, we might want to wait until they are not "provisional" properties any more; or at least, keep the API @draft while they are.

Implementation-wise, see if it's better to a) widen the uprops.icu properties vectors (adding 4+5 bits) or b) have a simple/special data structure like for the Joining_Group.

Status

Assignee

Markus Scherer

Reporter

Markus Scherer

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Reviewer

None

Time Needed

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Start date

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Components

Fix versions

Priority

major
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