[GH-ISSUE #653] running tview with `LANG=zh_CN.UTF-8` breaks rendering #478

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opened 2026-03-04 01:05:21 +03:00 by kerem · 1 comment

kerem commented

2026-03-04 01:05:21 +03:00

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Originally created by @SoMuchForSubtlety on GitHub (Sep 23, 2021).
Original GitHub issue: https://github.com/rivo/tview/issues/653

Can be reproduced with the demo programs, for example "button":

$ LANG=zh_CN.UTF-8 go run .

$ echo $LANG
en_GB.UTF-8
$ go run .

Downstream report: https://github.com/SoMuchForSubtlety/f1viewer/issues/179

Originally created by @SoMuchForSubtlety on GitHub (Sep 23, 2021). Original GitHub issue: https://github.com/rivo/tview/issues/653 Can be reproduced with the demo programs, for example "button": ```bash $ LANG=zh_CN.UTF-8 go run . ``` ![cn](https://user-images.githubusercontent.com/15961647/134520881-3b72c187-543c-4225-ba40-eb12d51dea42.png) ```bash $ echo $LANG en_GB.UTF-8 $ go run . ``` ![no cn](https://user-images.githubusercontent.com/15961647/134520887-a5575552-dae8-4aff-a24e-6daea9eecd3f.png) Downstream report: https://github.com/SoMuchForSubtlety/f1viewer/issues/179

kerem closed this issue

2026-03-04 01:05:21 +03:00

kerem commented

2026-03-04 01:05:22 +03:00

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@SoMuchForSubtlety commented on GitHub (Sep 23, 2021):

dupe of #96

workaround is to set the env var RUNEWIDTH_EASTASIAN=true https://github.com/mattn/go-runewidth/issues/14

@SoMuchForSubtlety commented on GitHub (Sep 23, 2021): dupe of #96 workaround is to set the env var `RUNEWIDTH_EASTASIAN=true` https://github.com/mattn/go-runewidth/issues/14