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<a href="https://docs.google.com/viewer?url=http%3A%2F%2Fwww.casaba.com%2Ffiles%2FChris_Weber_Character%2520Transformations%2520v1.7_IUC33.pdf" rel="nofollow">https://docs.google.com/viewer?url=http%3A%2F%2Fwww.casaba.c...</a><p>An Internationalization and Unicode Conference presentation by Chris Weber discusses the security implications of various text transformations in Unicode.