Cannot paste "─" character in WSL #10174

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opened 2026-01-31 02:14:25 +00:00 by claunia · 0 comments
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Originally created by @G-Rath on GitHub (Aug 15, 2020).

Environment

Windows build number: [Version 10.0.18363.1016]
Windows Terminal version (if applicable): 1.1.2021.0

Any other software?

Steps to reproduce

Copy the "─" character and attempt to paste it into WSL in Windows Terminal or conhost.

Expected behavior

The character is pasted fine.

Actual behavior

It is not pasted fine.


This is an odd bug that's really hard to google, so it might not actually be a microsoft/terminal bug? However, I can successfully paste "─" into WSL via the IntelliJ terminal which I believe isn't using terminal/conhost.

I can paste this character fine into cmd, powershell, and pswh (both in Terminal, and in the windows opened by running those commands via Run, which I assume is/means conhost?).

I originally noticed this when copying from the output of audit-app:

┌────────────┬────────────────────────────────────────────────────────────────────┐
│ low        │ Prototype Pollution (#577)                                         │
├────────────┼────────────────────────────────────────────────────────────────────┤
│ Package    │ lodash v3.10.1                                                     │
├────────────┼────────────────────────────────────────────────────────────────────┤
│ Patched in │ >=4.17.5                                                           │
├────────────┼────────────────────────────────────────────────────────────────────┤
│ More info  │ https://npmjs.com/advisories/577                                   │
└────────────┴────────────────────────────────────────────────────────────────────┘

Pasting the above into WSL via Terminal or conhost results in:

┌┬┐
│ low        │ Prototype Pollution (#577)                                         │
├┼┤
│ Package    │ lodash v3.10.1                                                     │
├┼┤
│ Patched in │ >=4.17.5                                                           │
├┼┤
│ More info  │ https://npmjs.com/advisories/577                                   │
└┴┘

This behaviour happens regardless of what program I copy the text from.

Originally created by @G-Rath on GitHub (Aug 15, 2020). <!-- 🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨 I ACKNOWLEDGE THE FOLLOWING BEFORE PROCEEDING: 1. If I delete this entire template and go my own path, the core team may close my issue without further explanation or engagement. 2. If I list multiple bugs/concerns in this one issue, the core team may close my issue without further explanation or engagement. 3. If I write an issue that has many duplicates, the core team may close my issue without further explanation or engagement (and without necessarily spending time to find the exact duplicate ID number). 4. If I leave the title incomplete when filing the issue, the core team may close my issue without further explanation or engagement. 5. If I file something completely blank in the body, the core team may close my issue without further explanation or engagement. All good? Then proceed! --> <!-- This bug tracker is monitored by Windows Terminal development team and other technical folks. **Important: When reporting BSODs or security issues, DO NOT attach memory dumps, logs, or traces to Github issues**. Instead, send dumps/traces to secure@microsoft.com, referencing this GitHub issue. If this is an application crash, please also provide a Feedback Hub submission link so we can find your diagnostic data on the backend. Use the category "Apps > Windows Terminal (Preview)" and choose "Share My Feedback" after submission to get the link. Please use this form and describe your issue, concisely but precisely, with as much detail as possible. --> # Environment ```none Windows build number: [Version 10.0.18363.1016] Windows Terminal version (if applicable): 1.1.2021.0 Any other software? ``` # Steps to reproduce <!-- A description of how to trigger this bug. --> Copy the "─" character and attempt to paste it into WSL in Windows Terminal or conhost. # Expected behavior <!-- A description of what you're expecting, possibly containing screenshots or reference material. --> The character is pasted fine. # Actual behavior <!-- What's actually happening? --> It is not pasted fine. -------- This is an odd bug that's really hard to google, so it might not actually be a microsoft/terminal bug? However, I can successfully paste "─" into WSL via the IntelliJ terminal which I believe isn't using terminal/conhost. I can paste this character fine into cmd, powershell, and pswh (both in Terminal, and in the windows opened by running those commands via Run, which I assume is/means conhost?). I originally noticed this when copying from the output of [`audit-app`](https://github.com/G-Rath/audit-app): ``` ┌────────────┬────────────────────────────────────────────────────────────────────┐ │ low │ Prototype Pollution (#577) │ ├────────────┼────────────────────────────────────────────────────────────────────┤ │ Package │ lodash v3.10.1 │ ├────────────┼────────────────────────────────────────────────────────────────────┤ │ Patched in │ >=4.17.5 │ ├────────────┼────────────────────────────────────────────────────────────────────┤ │ More info │ https://npmjs.com/advisories/577 │ └────────────┴────────────────────────────────────────────────────────────────────┘ ``` Pasting the above into WSL via Terminal or conhost results in: ``` ┌┬┐ │ low │ Prototype Pollution (#577) │ ├┼┤ │ Package │ lodash v3.10.1 │ ├┼┤ │ Patched in │ >=4.17.5 │ ├┼┤ │ More info │ https://npmjs.com/advisories/577 │ └┴┘ ``` This behaviour happens regardless of what program I copy the text from.
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Reference: starred/terminal#10174