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[GH-ISSUE #2549] Invalid characters in windows command prompt #1493

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opened 2026-04-12 11:24:03 -05:00 by GiteaMirror · 3 comments
GiteaMirror commented 2026-04-12 11:24:03 -05:00
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Originally created by @jmorganca on GitHub (Feb 16, 2024).
Original GitHub issue: https://github.com/ollama/ollama/issues/2549

Originally assigned to: @dhiltgen on GitHub.

image

Originally created by @jmorganca on GitHub (Feb 16, 2024). Original GitHub issue: https://github.com/ollama/ollama/issues/2549 Originally assigned to: @dhiltgen on GitHub. ![image](https://github.com/ollama/ollama/assets/251292/82f4d8a2-6d91-4a80-a8b5-e09f07132552)
GiteaMirror added the feature requestwindows labels 2026-04-12 11:24:03 -05:00
GiteaMirror commented 2026-04-12 11:24:04 -05:00
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@binoychitale commented on GitHub (Feb 20, 2024):

Hi @jmorganca !

I was trying to look into this, and it seems like the problem might be the CMD application (which seems to be used here in the screenshot)

It seems that the old CMD terminal has certain fonts that cannot render all unicode characters.

I am seeing that the Windows Terminal is able to render the characters correctly.

Furthermore, changing the font in CMD from Consolas to Cascadia Code fixes the rendering

Screenshot from Windows Terminal:
image

Screenshot from CMD with font set to Consolas
image

Screenshot from CMD with font set to Cascadia Code
image

Tl;DR
It seems that the font set in the terminal in the screenshot does not support the ▕ unicode character

Not sure whether this is something ollama should fix?

<!-- gh-comment-id:1953419955 --> @binoychitale commented on GitHub (Feb 20, 2024): Hi @jmorganca ! I was trying to look into this, and it seems like the problem might be the _CMD_ application (which seems to be used here in the screenshot) It seems that the old CMD terminal has certain fonts that cannot render all unicode characters. I am seeing that the _Windows Terminal_ is able to render the characters correctly. Furthermore, changing the font in _CMD_ from `Consolas` to `Cascadia Code` fixes the rendering Screenshot from __Windows Terminal__: ![image](https://github.com/ollama/ollama/assets/17764984/151c102a-ee26-4ae5-9d56-e70b2aed974c) Screenshot from __CMD__ with font set to `Consolas` ![image](https://github.com/ollama/ollama/assets/17764984/b758e4e9-d65a-4ff9-a7f4-6f7fbb9a753c) Screenshot from __CMD__ with font set to `Cascadia Code` ![image](https://github.com/ollama/ollama/assets/17764984/36f5fab4-65a0-49ca-9ca3-6816bfbafc79) __Tl;DR__ It seems that the font set in the terminal in the screenshot does not support the `▕` unicode character Not sure whether this is something ollama should fix?
GiteaMirror commented 2026-04-12 11:24:04 -05:00
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@dhiltgen commented on GitHub (May 2, 2024):

It looks like it should theoretically be possible for us to call SetCurrentConsoleFontEx although I am a tad nervous about what the blast radius might be for international locales...

<!-- gh-comment-id:2091812936 --> @dhiltgen commented on GitHub (May 2, 2024): It looks like it should theoretically be possible for us to call [SetCurrentConsoleFontEx](https://learn.microsoft.com/en-us/windows/console/setcurrentconsolefontex) although I am a tad nervous about what the blast radius might be for international locales...
GiteaMirror commented 2026-04-12 11:24:05 -05:00
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@dhiltgen commented on GitHub (Jul 24, 2024):

I don't think changing fonts on the fly is the right answer.

<!-- gh-comment-id:2248995443 --> @dhiltgen commented on GitHub (Jul 24, 2024): I don't think changing fonts on the fly is the right answer.
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