How to get vim to display Cyrillic, Greek, or Russian? [Was: Feature or bug? dw oddities]

On 09.02.16 09:49, Tony Mechelynck wrote:
> On Tue, Feb 9, 2016 at 8:24 AM, Erik Christiansen
> > Does anyone know what it takes to get vim to display Cyrillic, Greek, or
> > Russian characters in a (utf-8 enabled) xterm? (Note: Vim encoding while
> > editing this post, in which the Russian won't display, is
> > "encoding=utf-8")
> >
> > There's no problem with Danish: åæø
> > or German: ßöä
...
>
> I think the reason it works for me is related with my bash startup
> scripts, one of which (I'm not sure which: see "man bash" for details)
> sets the following environment variables:
>
> export LANG=en_US.UTF-8
> export LC_TIME=en_GB
> export LC_PAPER=en_GB
> export LC_NUMERIC=C

Both in the case of complete failure, and the case with mutt working but
vim not, I've had the default:

$ echo $LANG
en_AU.utf8

so that's not the impediment. (Trying "en_AU.UTF-8" instead makes no
difference) And trying "export LANG=en_US.UTF-8" before invoking mutt or
vim causes mutt to corrupt the Russian and the thread tree lines, and
vim to not even display the Danish, i.e. much worse.

...
> In addition, for Vim you may need to make sure that it uses UTF-8
> internally, see http://vim.wikia.com/wiki/Working_with_Unicode

Ah, that looks promising. Checking the settings used in the script
snippet presented there:

encoding=utf-8
termencoding=

Ahah! But adding a "let &termencoding = &encoding" to .vimrc did not
help vim to display the Russian charactors. They remain as "=xx" stuff.

fileencoding=utf-8
fileencodings=ucs-bom,utf-8,default,latin1

These also were already in line with the howto hints.

Thank you for the hints, Tony, but nothing tried so far is making any
difference. Vim still won't display Cyrillic, Greek, or Russian.

But is this a clue? My immediate prior post, containing åæø, came back
from the list server with those three characters now displaying in vim
as -C3-A5-C3-A6-C3-B8, despite the header: "X-NotAscii: charset=utf-8".
(Again, s/-/==/g) In vim, encoding, fileencoding, and termencoding are
all utf-8.


Is our list server not sending utf-8, despite the header claim?

Erik

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