Box drawing characters contain gaps when viewed in Windows Terminal #19188

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opened 2026-01-31 06:36:19 +00:00 by claunia · 0 comments
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Originally created by @riverar on GitHub (Jan 10, 2023).

Windows Terminal version

1.15.3466.0

Windows build number

22000.739

Other Software

No response

Steps to reproduce

repro.zip

  1. Expand repro.zip to a temporary location
  2. Execute target/debug/app.exe in a Terminal window
  3. Observe results

Alternative, you can compile from the included sources.

See also: https://github.com/gyscos/cursive/issues/709

Expected Behavior

Unbroken box drawing characters.

Figure 1 - Screenshot of expected appearance

image

Actual Behavior

Figure 2 - Example showing gaps (Cascadia Mono font family, default)

image

Originally created by @riverar on GitHub (Jan 10, 2023). ### Windows Terminal version 1.15.3466.0 ### Windows build number 22000.739 ### Other Software _No response_ ### Steps to reproduce [repro.zip](https://github.com/microsoft/terminal/files/10378957/repro.zip) 1. Expand `repro.zip` to a temporary location 2. Execute `target/debug/app.exe` in a Terminal window 3. Observe results Alternative, you can compile from the included sources. See also: https://github.com/gyscos/cursive/issues/709 ### Expected Behavior Unbroken box drawing characters. Figure 1 - Screenshot of expected appearance ![image](https://user-images.githubusercontent.com/475132/211464570-dacc1f2e-77c5-4aa7-a571-b2d432cb5341.png) ### Actual Behavior Figure 2 - Example showing gaps (Cascadia Mono font family, default) ![image](https://user-images.githubusercontent.com/475132/211464627-954e7231-540e-449f-a5c9-1f14678297c7.png)
claunia added the Area-RenderingIssue-BugResolution-DuplicateProduct-Terminal labels 2026-01-31 06:36:19 +00:00
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Reference: starred/terminal#19188