RE: [Summary] UTF-8 Question: e with acute accent should requ
Hi Roger, It is not correct to say that a Unicode character can be either an "ASCII character" or a "non-ASCII character". It is better to say that some Unicode characters (those with codes below 128) have a corresponding character in ASCII. For example, your sentence "Most of its characters are ASCII, but there is one non-ASCII character, the é character" is not correct. A more precise statement would be, "Most of its characters have a corresponding character in the ASCII character set, but there is one character, the é character (officially named "LATIN SMALL LETTER E WITH ACUTE", code 233), which has no corresponding character in ASCII." Elsewhere, when you say something like, "In UTF-8 all ASCII characters are encoded using one byte", a more correct formulation might be, "In UTF-8 all Unicode characters with codes below 128 are encoded in one byte. Each of those Unicode characters has a corresponding character in the ASCII character set, and the encoding of that ASCII character (in ASCII) is identical to the encoding of the Unicode character in UTF-8." (Is this too verbose perhaps?) (So an ASCII character string, encoded, can be decoded as if it were a Unicode character string encoded in UTF-8, and the meaning will be the same. The other way around is generally not possible, as there may be byte values above 127 that are not legal encodings of any ASCII characters.) Alessandro > -----Original Message----- > From: Costello, Roger L. [mailto:costello@m...] > Sent: Friday, September 28, 2007 13:42 > To: xml-dev@l... > Subject: [Summary] UTF-8 Question: e with acute > accent should require two bytes, right? > > Hi Folks, > > Once again, outstanding information! > > I have summarized at least part of the discussions: > > http://www.xfront.com/encoding-example/ > > Comments always welcome. > > Thanks! > > /Roger > > ______________________________________________________________ > _________ > > XML-DEV is a publicly archived, unmoderated list hosted by > OASIS to support XML implementation and development. To > minimize spam in the archives, you must subscribe before posting. > > [Un]Subscribe/change address: http://www.oasis-open.org/mlmanage/ > Or unsubscribe: xml-dev-unsubscribe@l... > subscribe: xml-dev-subscribe@l... List archive: > http://lists.xml.org/archives/xml-dev/ > List Guidelines: http://www.oasis-open.org/maillists/guidelines.php >
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