はてなブックマーク

About the Unihan Database Lookup Tool The lookup interface on this page provides online access to property data in the Unicode Han (Unihan) database for individual ideographs via the “Lookup” button and text field above. Simply enter the four- or five-digit hexadecimal code point for the desired ideograph into the text field, or copy and paste the ideograph into it, then click the “Lookup” button.

Summary This annex describes specifications for the positioning of characters in text containing characters flowing from right to left, such as Arabic or Hebrew. Status This document has been reviewed by Unicode members and other interested parties, and has been approved for publication by the Unicode Consortium. This is a stable document and may be used as reference material or cited as a normati

Summary This annex describes normalization forms for Unicode text. When implementations keep strings in a normalized form, they can be assured that equivalent strings have a unique binary representation. This annex also provides examples, additional specifications regarding normalization of Unicode text, and information about conformance testing for Unicode normalization forms. Status This documen

In the table <BOM> indicates that the byte order is determined by a byte order mark, if present at the beginning of the data stream, otherwise it is big-endian. [AF] Q: Why do some of the UTFs have a BE or LE in their label, such as UTF-16LE? UTF-16 and UTF-32 use code units that are two and four bytes long respectively. For these UTFs, there are three sub-flavors: BE, LE and unmarked. The BE form

Summary Because Unicode contains such a large number of characters and incorporates the varied writing systems of the world, incorrect usage can expose programs or systems to possible security attacks. This is especially important as more and more products are internationalized. This document describes some of the security considerations that programmers, system analysts, standards developers, and

Index of /charts/PDF NameLast modifiedSizeDescription Parent Directory  - 10FF80.pdf2002-01-30 16:58 29K ErrorLink.pdf2003-05-01 16:53 32K Readme.txt2010-02-18 17:27 91 U0A00.pdf2023-08-25 13:19 111K U0A80.pdf2023-08-25 13:19 115K U0B00.pdf2023-08-25 13:19 118K U0B80.pdf2023-08-25 13:19 158K U0C00.pdf2023-08-25 13:19 138K U0C80.pdf2023-08-25 13:19 138K U0D00.pdf2023-08-25 13:19 142K U0D80.pdf2023-

Summary This document describes guidelines for how to adapt regular expression engines to use Unicode. Status This document has been reviewed by Unicode members and other interested parties, and has been approved for publication by the Unicode Consortium. This is a stable document and may be used as reference material or cited as a normative reference by other specifications. A Unicode Technical S

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European Scripts Armenian Armenian Ligatures Carian Caucasian Albanian Cypriot Syllabary Cypro-Minoan Cyrillic Cyrillic Supplement Cyrillic Extended-A Cyrillic Extended-B Cyrillic Extended-C Cyrillic Extended-D Elbasan Georgian Georgian Extended Georgian Supplement Glagolitic Glagolitic Supplement Gothic Greek Greek Extended Ancient Greek Numbers Latin Basic Latin (ASCII) Latin-1 Supplement Latin

Summary This annex presents the specifications of a normative property for Unicode characters that is useful when interoperating with East Asian Legacy character sets. Status This document has been reviewed by Unicode members and other interested parties, and has been approved for publication by the Unicode Consortium. This is a stable document and may be used as reference material or cited as a n