The unicode-transforms package

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Fast Unicode 8.0 normalization in Haskell (NFC, NFKC, NFD, NFKD).


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Versions0.1.0.1, 0.2.0, 0.2.0, 0.2.1, 0.3.0, 0.3.1, 0.3.2, 0.3.3
Change logChangelog.md
Dependenciesbase (>=4.7 && <5), bitarray (>=0.0.1 && <0.1), bytestring (>=0.9 && <0.11), text (>=0.1 && <1.3) [details]
LicenseBSD3
Copyright2016 Harendra Kumar, 2014–2015 Antonio Nikishaev
AuthorHarendra Kumar
Maintainerharendra.kumar@gmail.com
CategoryData, Text, Unicode
Home pagehttp://github.com/harendra-kumar/unicode-transforms
Bug trackerhttps://github.com/harendra-kumar/unicode-transforms/issues
Source repositoryhead: git clone https://github.com/harendra-kumar/unicode-transforms
UploadedFri Oct 14 14:56:05 UTC 2016 by harendra

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Readme for unicode-transforms-0.2.0

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Unicode Transforms

Hackage Build Status Windows Build status Coverage Status

Fast Unicode 8.0 normalization in Haskell (NFC, NFKC, NFD, NFKD).

What is normalization?

Unicode characters with adornments (e.g. Á) can be represented in two different forms, as a single composed character (U+00C1 = Á) or as multiple decomposed characters (U+0041(A) U+0301( ́ ) = Á). They are differently encoded byte sequences but for humans they have exactly the same visual appearance.

A regular byte comparison may tell that two strings are different even though they might be equivalent. We need to convert both the strings in a normalized form using the Unicode Character Database before we can compare them for equivalence. For example:

>> import Data.Text.Normalize
>> normalize NFC "\193" == normalize NFC "\65\769"
True

Contributing

Please use https://github.com/harendra-kumar/unicode-transforms to raise issues, or send pull requests.