Re: isident and iskeyword treat @ differently

John Little wrote:

> (On Linux with encoding=utf-8) After
>
> :set isident=@ iskeyword=@
>
> \k matches Greek letters, but \i does not. The help states that both have the format of isfname, which says
>
> Multi-byte characters 256 and above are always included, only the
> characters up to 255 are specified with this option.

Well, it uses the format of 'isfname', but not the meaning.

> While I'm at it, \k (and \f) do not match some punctuation, even above 256. For example,
>
> ; U+037E GREEK QUESTION MARK
>
> IMO this is good, perhaps the help should be revised.

Yes, changing the meaning will cause trouble.

Perhaps it's sufficient to mention the meaning for the option. for
'isident':
See 'isfname' for a description of the format of this
option. For '@' only characters up to 255 are used.


For 'iskeyword':
See 'isfname' for a description of the format of this option.
For '@' characters above 255 check the "word" character class.


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