Bug#379107: vim: Should automaticly get the terminal encoding from the enviroment.

Kurt Roeckx kurt at roeckx.be
Fri Jul 21 12:25:23 UTC 2006

On Fri, Jul 21, 2006 at 01:39:53PM +0200, Kurt Roeckx wrote:
> Hi,
> The manual says:
> 'termencoding' 'tenc'   string  (default ""; with GTK+ 2 GUI: "utf-8"; with
>                                                     Macintosh GUI: "macroman")
> Why isn't it using LC_CTYPE to get this?
> What I currently have is:
> $ locale charmap
> ISO-8859-1
> If I had a UTF-8 terminal, it would have:
> $ LC_CTYPE=en_US.UTF-8 locale charmap
> UTF-8
> Why isn't it using nl_langinfo(CODESET) to set the default?
> Taking a very quick look at the source, it seems to be using it,
> but I'm not sure what it's doing with it.

I took a closer look at it, and also saw this:
'encoding' 'enc'        string (default: "latin1" or value from $LANG)

So, I think it's using nl_langinfo(CODESET) for encoding and not
for termencoding.  And this doesn't make sense to me.

I was about to file a seperate bug have encoding default to
utf-8, or atleast some unicode variant.  The encoding only seems
to be used for storing things internally.

Changing the default encoding to a unicode equivalent would
change this:

'fileencodings' 'fencs' string (default: "ucs-bom",
                                    "ucs-bom,utf-8,default,latin1" when
                                    'encoding' is set to a Unicode value)

Which will then correctly guess my fileenconding.

What I currently need to do is:
set encoding=utf-8
set termencoding=latin1

To have things work "properly".  

What I would like to see is:
- The default termencoding is based on LC_CTYPE
- The internal encoding is unicode (or wchar_t) based.

I'm trying to come up with arguments why having the encoding
default to for instance utf-8 isn't a good thing.  And I can't
come up with something.  The only thing I see that it has an
effect for is that it now might properly guess the fileencoding
when opening a file.

I can't see a reason at all while termencoding can't be based on


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