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U+2594 doesn't render #20770

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opened 2026-01-31 07:23:34 +00:00 by claunia · 2 comments
claunia commented 2026-01-31 07:23:34 +00:00
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Originally created by @Dan-Albrecht on GitHub (Nov 6, 2023).

Windows Terminal version

1.19.2831.0

Windows build number

10.0.22631.0

Other Software

No response

Steps to reproduce

Write-Host "`n`n`u{2594}`n`n"

Expected Behavior

On current mainline builds:
image

Actual Behavior

On preview+ builds:
image

Additional Information

This specific character was called out in #15489:

  • At that time, turning off Automatically adjust lightness of indistinguishable text was suggested as a fix
    • I have this currently set to Never
  • This is allegedly a font bug in Cascadia Code as this character is outside its cell
    • Switching font to Courier New fixes this, so might be the case this time. Not sure the render should be hacked to fix this vs. fixing the font.
Originally created by @Dan-Albrecht on GitHub (Nov 6, 2023). ### Windows Terminal version 1.19.2831.0 ### Windows build number 10.0.22631.0 ### Other Software _No response_ ### Steps to reproduce ```pwsh Write-Host "`n`n`u{2594}`n`n" ``` ### Expected Behavior On current mainline builds: <img width="280" alt="image" src="https://github.com/microsoft/terminal/assets/7351388/a65bb296-8d1f-44db-8881-c588678fb68b"> ### Actual Behavior On preview+ builds: <img width="291" alt="image" src="https://github.com/microsoft/terminal/assets/7351388/db7ba862-ad9a-41cc-ac5d-e2186d77ae79"> ### Additional Information This specific character was called out in #15489: - At that time, turning off `Automatically adjust lightness of indistinguishable text` was suggested as a fix - I have this currently set to `Never` - This is allegedly a font bug in _Cascadia Code_ as this character is outside its cell - Switching font to _Courier New_ fixes this, so might be the case this time. Not sure the render should be hacked to fix this vs. fixing the font.
claunia commented 2026-01-31 07:23:36 +00:00
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@DHowett commented on GitHub (Nov 6, 2023):

Thanks for filing! This is a specific case tracked in https://github.com/microsoft/terminal/issues/15359 -- with Cascadia, the entire glyph for U+2594 starts and ends outside of the bounding box. We cut off overhangs to avoid specifically box-drawing and shade characters leaking outside of their cells. This of course doesn't work well with this design for U+2594 ☹️

/dup #15359 (since it tracks dealing with character overhangs better than we do currently)

@DHowett commented on GitHub (Nov 6, 2023): Thanks for filing! This is a specific case tracked in https://github.com/microsoft/terminal/issues/15359 -- with Cascadia, the entire glyph for U+2594 starts and ends outside of the bounding box. We cut off overhangs to avoid _specifically_ box-drawing and shade characters leaking outside of their cells. This of course doesn't work well with this design for U+2594 ☹️ /dup #15359 (since it tracks dealing with character overhangs better than we do currently)
claunia commented 2026-01-31 07:23:36 +00:00
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@microsoft-github-policy-service[bot] commented on GitHub (Nov 6, 2023):

Hi! We've identified this issue as a duplicate of another one that already exists on this Issue Tracker. This specific instance is being closed in favor of tracking the concern over on the referenced thread. Thanks for your report!

@microsoft-github-policy-service[bot] commented on GitHub (Nov 6, 2023): Hi! We've identified this issue as a duplicate of another one that already exists on this Issue Tracker. This specific instance is being closed in favor of tracking the concern over on the referenced thread. Thanks for your report! <!-- Policy app identification https://img.shields.io/static/v1?label=PullRequestIssueManagement. -->
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Reference: starred/terminal#20770
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