A special form of ""ASCII compatible encoding"" (abbreviated ACE) is applied to this to produce the corresponding A-label: xn-11b5bs1di. The difference may be illustrated with the Hindi word for ""test"" - परीका - appearing here as a U-label would (in the Devanagari script). The Unicode form, which a user expects to be displayed, is termed a ""U-label"". All operations defined in the DNS protocol use A-labels exclusively. The ASCII form of an IDN label is termed an ""A-label"".
#Xojo change top of every label series#
The following terminology is used when distinguishing between these forms: A domain name consists of a series of ""labels"" (separated by ""dots""). The Unicode form of an IDN therefore requires special encoding before it is entered into the DNS. 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 ""-"". These are also included in the broader range of ""Unicode characters"" that provides the basis for IDNs.
#Xojo change top of every label code#
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).
Many languages also use other types of digits than the European ""0-9"".
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. 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"".
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