However, on a byte only 256 characters can be coded. The multiplicity of the codes was necessary because the systems always considered that to one byte corresponded a single character. The Unicode format was born from the desire to unify the multitude of existing encoding. Following the internationalization coming with the Internet development, encoding management became more and more complex because of multilingual environments.įortunately, The Unicode standard has successfully passed the challenge to gather every single characters from every encodings in one and only character tables: the Unicode character list. Each one have a consistent reason to be once you know the History of Encoding. Note that the number of existing encodings is quite large. And because the ISO-8859-7 (Greek) encoding considers that each of these two bytes is a character in itself in its mapping table. This is because in UTF-8 Unicode encoding Western special characters are all double-byte encoded. We can see that the expected Western characters are now displayed badly and that there are 2 characters instead of only one. Using ISO-8859-7, the above characters would be displayed as the below characters : But if you were having fun forcing the use of the ISO-8859-7 encoding in Internet Explorer using the menu “View => Encoding => More => Greek (ISO)” then the below windows-1252 characters would be wrongly displayed. The INVIVOO blog is using UTF-8 encoding. – When it is time to display a text, it is necessary to be able to determine the encoding that was used. – You must carefully choose, depending on the target application, the encoding to use when saving a text. It is thus understood that a text file is in fact a coded message (not encrypted message) that should be decoded using a precise translation table.
HOW TO CHANGE ENCODING IN WORD CODE
This is simply because MS-DOS considers by default that texts (on a French computer) are encoded using the page 850 below: page 850 (DOS hexadecimal code “ E9” matches the character “ Ú” of the page 850 character list and does not match the character “ é” as we might have expected. “L’exp Úrience est le nom que chacun donne Ó ses erreurs.” Oscar Wilde Indeed, a French MS-DOS window would show the following:
In the character table Windows-1252, the code “ E9” corresponds to the French character “ é” : Windows-1252 if you go into an MS-DOS window, the hexadecimal code “E9” will not display correctly! The 7th character “ é” is stored in memory using the following hexadecimal value: “ E9”. “L’exp érience est le nom que chacun donne à ses erreurs.” Oscar Wilde The following string is encoded with the “Windows-1252” code: The most readable representation for us of this binary code is the hexadecimal code where each byte represents a single character in ASCII or in extended ASCII.
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⇒ A way for creating Unicode files in VBA with or without BOMįeel free to leave a comment and request for support on a particular encoding problem.Ī string is not stored in memory as a string but rather as 0s and 1s in binary. ⇒ We offer you standard tools to easily determine the encoding of a text ⇒ Why despite the Unicode format, the encodings issues remain relevant? ⇒ Focus on the Unicode UTF-8 format that theoretically eliminates any encoding issue
⇒ Explanation of encodings with a concrete example It has even become so transparent since the birth of the ingenious UTF-8 Unicode format that even a developer might happen to be quite lost when an incompatibility occurs.
Encoding is something transparent for most users.
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