[vim/vim] UTF words copy/paste looks display wrong. (#8706)

Shane-XB-Qian

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Aug 5, 2021, 2:44:41 AM8/5/21

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Describe the bug
os level copied e.g 啊 (a chinese word), reg + or * is \u554a and displayed as it too.

To Reproduce
Detailed steps to reproduce the behavior:

'ctrl+c' copy e.g 啊 at os level.
vim --clean
reg +*
or "+p displayed \u554a

Expected behavior
displayed as 啊

Environment (please complete the following information):

VIM - Vi IMproved 8.2 (2019 Dec 12, compiled Aug 5 2021 09:28:13)
Included patches: 1-3290
Compiled by shane@shanesmbxpro
Huge version with GTK3 GUI.

ubuntn 20.04
xterm

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Christian Brabandt

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Aug 5, 2021, 3:23:43 AM8/5/21

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is this in the terminal? Perhaps it's just the font that cannot display that character.

Shane-XB-Qian

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Aug 5, 2021, 3:27:17 AM8/5/21

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Perhaps it's just the font that cannot display that character.

looks not, since if pasted by 'ctrl-shift-v' (when in vim insert mode), then it displayed correctly which is 啊.

Martin Tournoij

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Aug 5, 2021, 5:38:36 AM8/5/21

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I can't really reproduce this on my Linux system. I copy/pasted 啊 using the exact steps you mentioned, and it works well for me.

What are your locale settings? Maybe it's a locale issue somehow? You can usually find them with the locale command.

And just to be absolutely sure, you're using Vim inside xterm, and not gVim?

依云

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Aug 5, 2021, 6:18:19 AM8/5/21

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What locale are you using? Try run locale and check if your locale is setup correctly. With LANG=C I can reproduce this issue.

Shane-XB-Qian

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Aug 5, 2021, 6:19:30 AM8/5/21

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Where are you copy/pasting it from? As in, which application? Maybe that affects things?

looks not, or e.g 'mousepad' if you like to know.

What are your locale settings?

LANG=en_HK.UTF-8

// and of course, it is Tui vim.

Martin Tournoij

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Aug 5, 2021, 6:29:54 AM8/5/21

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I can reproduce it with LANG=C, both when copying from Firefox and Mousepad, but not with LANG=en_HK.UTF-8: that always seems to work correct as far as I can see.

Are you sure your locale is set up correctly? Does the locale command show any errors?

Shane-XB-Qian

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Aug 5, 2021, 7:04:16 AM8/5/21

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i think my locale is correct, and no error showed.

LANG=en_HK.UTF-8
LANGUAGE=en_HK:en
LC_CTYPE="en_HK.UTF-8"
LC_NUMERIC="en_HK.UTF-8"
LC_TIME="en_HK.UTF-8"
LC_COLLATE="en_HK.UTF-8"
LC_MONETARY="en_HK.UTF-8"
LC_MESSAGES="en_HK.UTF-8"
LC_PAPER="en_HK.UTF-8"
LC_NAME="en_HK.UTF-8"
LC_ADDRESS="en_HK.UTF-8"
LC_TELEPHONE="en_HK.UTF-8"
LC_MEASUREMENT="en_HK.UTF-8"
LC_IDENTIFICATION="en_HK.UTF-8"
LC_ALL=

Tony Mechelynck

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Aug 5, 2021, 7:32:34 AM8/5/21

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What does Vim answer to

:language
:verbose set encoding?

See also https://vim.fandom.com/wiki/Working_with_Unicode
and remember that the right place to set 'encoding' is in your vimrc, before any editfile has been loaded.

Best regards,
Tony.

Shane-XB-Qian

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Aug 5, 2021, 9:00:02 AM8/5/21

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tony, i ran with 'vim --clean', and the 'encoding' is 'utf-8'.

Shane-XB-Qian

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Aug 5, 2021, 9:01:41 AM8/5/21

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when the locale is:

LANG=en_US.UTF-8

LANGUAGE=en_HK:en

LC_CTYPE="en_US.UTF-8"

LC_NUMERIC=en_US.UTF-8

LC_TIME=en_US.UTF-8

LC_COLLATE="en_US.UTF-8"

LC_MONETARY=en_US.UTF-8

LC_MESSAGES="en_US.UTF-8"

LC_PAPER=en_US.UTF-8

LC_NAME=en_US.UTF-8

LC_ADDRESS=en_US.UTF-8

LC_TELEPHONE=en_US.UTF-8

LC_MEASUREMENT=en_US.UTF-8

LC_IDENTIFICATION=en_US.UTF-8

LC_ALL=

// i cannot reproduce it IF the locale is like above.
// the + and * both is 啊.

Shane-XB-Qian

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Aug 5, 2021, 9:04:59 AM8/5/21

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however then change the locale LANG=en_HK.UTF-8 :

LANG=en_HK.UTF-8
LANGUAGE=en_HK:en
LC_CTYPE="en_HK.UTF-8"
LC_NUMERIC=en_US.UTF-8
LC_TIME=en_US.UTF-8
LC_COLLATE="en_HK.UTF-8"
LC_MONETARY=en_US.UTF-8
LC_MESSAGES="en_HK.UTF-8"
LC_PAPER=en_US.UTF-8
LC_NAME=en_US.UTF-8
LC_ADDRESS=en_US.UTF-8
LC_TELEPHONE=en_US.UTF-8
LC_MEASUREMENT=en_US.UTF-8
LC_IDENTIFICATION=en_US.UTF-8
LC_ALL=

// now then the + or * both or one of them is \u554a.

Shane-XB-Qian

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Aug 5, 2021, 9:14:54 AM8/5/21

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so the territory would be the problem ?!

Christian Brabandt

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Aug 5, 2021, 9:29:31 AM8/5/21

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so the only differences in territory is for LANG, LANGUAGE and LC_MESSAGES , LC_COLLATE and LC_CTYPE. can you find out which one is responsible? Or just leave it at en_US.UTF-8

Shane-XB-Qian

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Aug 5, 2021, 10:14:17 AM8/5/21

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i think it is lc_ctype, however perhaps normally it should be same value like lang.

// the territory of lc_ctype somehow looks it is the problem.........................................

chrisma

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Aug 26, 2021, 5:19:03 AM8/26/21

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i think it is lc_ctype, however perhaps normally it should be same value like lang.

// the territory of lc_ctype somehow looks it is the problem.........................................

是不是在iTerm2下打开的vim呢？我刚刚也遇到了这个问题，但是用terminal打开vim，再输入汉字就没问题，感觉大概率是iTerm2的问题😢

chrisma

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Aug 26, 2021, 5:21:40 AM8/26/21

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~/.vimrc中添加了这个就可以了囧rz

set fileencodings=utf-8,ucs-bom,gb18030,gbk,gb2312,cp936

Shane-XB-Qian

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Jun 19, 2023, 2:41:33 AM6/19/23

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Closed #8706 as completed.

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