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Does not print Unicode "Left Half Block" correctly #10121

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opened 2026-01-31 02:13:03 +00:00 by claunia · 0 comments
claunia commented 2026-01-31 02:13:03 +00:00
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Originally created by @mangelozzi on GitHub (Aug 12, 2020).

Environment

Windows build number: Microsoft Windows [Version 10.0.19041.388]
Windows Terminal version (if applicable): Version: 1.1.2021.0

Intro

In Unicode there are two symbols often used for drawings boxes:
Left Half Block: https://www.compart.com/en/unicode/U+258C
Right Half Block: https://www.compart.com/en/unicode/U+2590

Steps to reproduce

Right half block is printed correctly.
Left half block is not printed correctly.

  1. Open windows terminal, and paste in echo Left Half: ▌▌▌
  2. Open windows terminal, and paste in echo Right Half: ▐▐▐

Actual behavior

Half block is printed as almost a full block. I have tried various fonts, and shells. The common factor is windows terminal.
This is how it looks:
image

Expected behavior

Print the characters as they should be.

notepad.exe:
image

cmd.exe:
image

Originally created by @mangelozzi on GitHub (Aug 12, 2020). # Environment ```none Windows build number: Microsoft Windows [Version 10.0.19041.388] Windows Terminal version (if applicable): Version: 1.1.2021.0 ``` # Intro In Unicode there are two symbols often used for drawings boxes: Left Half Block: <https://www.compart.com/en/unicode/U+258C> Right Half Block: <https://www.compart.com/en/unicode/U+2590> # Steps to reproduce Right half block is printed correctly. Left half block is not printed correctly. 1. Open windows terminal, and paste in `echo Left Half: ▌▌▌` 2. Open windows terminal, and paste in `echo Right Half: ▐▐▐` # Actual behavior Half block is printed as almost a full block. I have tried various fonts, and shells. The common factor is windows terminal. This is how it looks: ![image](https://user-images.githubusercontent.com/19764314/90052041-df8fa080-dcd8-11ea-94e8-5a79837739bf.png) # Expected behavior Print the characters as they should be. notepad.exe: ![image](https://user-images.githubusercontent.com/19764314/90052442-6f354f00-dcd9-11ea-9e9c-d8494f3c9aa5.png) cmd.exe: ![image](https://user-images.githubusercontent.com/19764314/90052587-a441a180-dcd9-11ea-9d42-72f7603c302c.png)
claunia added the Resolution-Duplicate label 2026-01-31 02:13:03 +00:00
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Reference: starred/terminal#10121
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