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When the XML file was convert to ASCII. It is different values for user at the three characters of utf and UTF.
<?xml version="1.0" encoding="utf-8"?> <?xml version="1.0" encoding="UTF-8"?> I tried to create a new xml file with vs2005. utf-8 form file generated by default.
which one is a more standard definition? thanks.
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You can write the XML file in any text editor. For non-ASCII characters, such as characters with diacritics and Kanji characters, an editor that can save the file as UTF-8 is required. Because UTF-8 is not easily displayed or edited on z/OS®, the XML can be encoded in UTF-8 or using the agent's code page.
UTF-8 is a valid IANA character set name, whereas utf8 is not. It's not even a valid alias. it refers to an implementation-provided locale, where settings of language, territory, and codeset are implementation-defined.
Encoding Types UTF stands for UCS Transformation Format, and UCS itself means Universal Character Set. The number 8 or 16 refers to the number of bits used to represent a character. They are either 8(1 to 4 bytes) or 16(2 or 4 bytes). For the documents without encoding information, UTF-8 is set by default.
XML documents must be encoded in a supported code page. XML documents generated in or parsed from national data items must be encoded in Unicode UTF-16 in big-endian format, CCSID 1200.
The IANA character set registry says:
no distinction is made between use of upper and lower case letters.
But that page, the XML specification, and unicode.org are consistent about capitalizing UTF-8.
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