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亚美尼亚文根区标签生成规则 (LGR) 提案

论坛公告: 公共评议期开放日 日期: 2015 年 7 月 22 日
类别/标签: 顶级域

亚美尼亚文字社群现已成立亚美尼亚文生成专家组 (GP),该专家组现已编制了一套亚美尼亚文根区标签生成规则提案 (请参见:提案 [XML, 8 KB] 和 提案文件 [PDF, 1.28 MB])。根据 标签生成规则程序 [PDF, 772 KB],本提案现已公开发布征询公众意见,使得尚未参与亚美尼亚文专家组工作的人员得以向该专家组成员发表自己的看法,帮助专家组对提案定稿,并将最终提案整合进根区的标签生成规则中。


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Domain Name System
Internationalized Domain Name ,IDN,"IDNs are domain names that include characters used in the local representation of languages that are not written with the twenty-six letters of the basic Latin alphabet ""a-z"". An IDN can contain Latin letters with diacritical marks, as required by many European languages, or may consist of characters from non-Latin scripts such as Arabic or Chinese. Many languages also use other types of digits than the European ""0-9"". The basic Latin alphabet together with the European-Arabic digits are, for the purpose of domain names, termed ""ASCII characters"" (ASCII = American Standard Code for Information Interchange). These are also included in the broader range of ""Unicode characters"" that provides the basis for IDNs. The ""hostname rule"" requires that all domain names of the type under consideration here are stored in the DNS using only the ASCII characters listed above, with the one further addition of the hyphen ""-"". The Unicode form of an IDN therefore requires special encoding before it is entered into the DNS. The following terminology is used when distinguishing between these forms: A domain name consists of a series of ""labels"" (separated by ""dots""). The ASCII form of an IDN label is termed an ""A-label"". All operations defined in the DNS protocol use A-labels exclusively. The Unicode form, which a user expects to be displayed, is termed a ""U-label"". The difference may be illustrated with the Hindi word for ""test"" — परीका — appearing here as a U-label would (in the Devanagari script). A special form of ""ASCII compatible encoding"" (abbreviated ACE) is applied to this to produce the corresponding A-label: xn--11b5bs1di. A domain name that only includes ASCII letters, digits, and hyphens is termed an ""LDH label"". Although the definitions of A-labels and LDH-labels overlap, a name consisting exclusively of LDH labels, such as"""" is not an IDN."