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Correction for Hangul Normalization in Unicode  

Ahn, Dae-Hyuk (한국마이크로소프트 소프트웨어연구소)
Park, Young-Bae (명지대학교 컴퓨터공학과)
Publication Information
Journal of KIISE:Software and Applications / v.34, no.2, 2007 , pp. 169-177 More about this Journal
Abstract
Hangul text normalization in current Unicode makes wrong Hangul syllable problems when using with precomposed modern Hangul syllables and composing old Hangul by using conjoining-Hangul Jamo and compatibility Hangul Jamo. This problem comes from allowing incorrect normalization form of compatibility Hangul Jamo and Hangul Symbol and also permitting to use conjoining-Hangul Jamo mixture with precomposed Hangul syllable in Unicode Hangul composing rule. It is caused by lack of consideration of old Hangul and/or insufficient understanding of Hangul code processing when writing specification for normalization forms in Unicode. Therefore on this paper, we study Hangul code in Unicode environment, specifically problems of normalization used for Web and XML, IDN in nowadays. Also we propose modification of Hangul normalization methods and Hangul composing rules for correct processing of Hangul normalization in Unicode.
Keywords
Hangul; Old Hangul; Hangul Code; Unicode; Normalization;
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