Dominique Pelle wrote:
> In the second paragraph of ":help unicode", I read:
>
> <<
> Unicode can be encoded in several ways. The two
> most popular ones are UCS-2, which uses 16-bit
> words and UTF-8, which uses one or more bytes
> for each character.
> >>
>
> I think this should be updated. The two most
> popular ones are UTF-16 and UTF-8. From wikipedia,
> "UCS-2 is an obsolete character encoding which is
> a predecessor to UTF-16".
>
> Furthermore, strictly speaking, UCS-2 is not a
> Unicode encoding, since it can only represent
> characters in the Unicode page 0.
>
> UTF-16 and UCS-2 are too often confused with
> each other. Let's not add to the confusion in Vim
> help files.
>
> How about changing it to something like this...
How about this:
Unicode can be encoded in several ways. The most popular one is
UTF-8, which uses one or more bytes for each character and is
backwards compatible with ASCII. On MS-Windows UTF-16 is also
used (previously UCS-2), which uses 16-bit words. Vim can
support all of these encodings, but always uses UTF-8
internally.
UTF-16 and UCS-2 are confusing, mostly because on MS-Windows many
programs only support UCS-2 and don't handle UTF-16 properly. Not many
people in USA and Europe even know about the characters that UTF-16 adds
or ever test with those. I suspect some code in Vim also doesn't work
properly with UTF-16.
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