Some hyphen ligatures break #5380

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opened 2026-01-31 00:12:07 +00:00 by claunia · 0 comments
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Originally created by @MythreyaK on GitHub (Dec 4, 2019).

Environment

Windows build number: 10.0.18363.0
Windows Terminal version (if applicable): 0.7.3291.0

Steps to reproduce

  1. Use a monospace font with ligatures. I used Fira Code.
  2. Type these characters, mixing up the order -> --> <- <-- <!---
  3. I can't exactly out the pattern that breaks some ligatures, but the one sequence in the image should work 100% of the time (well at the least here on my system).
    image

Expected behavior

I think all the ligatures should be rendered the same way, since other ligature based issue suggest that the prompt 'doesn't know' the meaning of the text displayed.

Actual behavior

Refer to the image above.

Originally created by @MythreyaK on GitHub (Dec 4, 2019). <!-- 🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨 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: 10.0.18363.0 Windows Terminal version (if applicable): 0.7.3291.0 ``` # Steps to reproduce 1. Use a monospace font with ligatures. I used Fira Code. 2. Type these characters, mixing up the order `->` `-->` `<-` `<--` `<!---` 3. I can't exactly out the pattern that breaks some ligatures, but the one sequence in the image should work 100% of the time (well at the least here on my system). ![image](https://user-images.githubusercontent.com/26112391/70174931-d555e500-16fb-11ea-93c1-1dfca37ea3cf.png) # Expected behavior <!-- A description of what you're expecting, possibly containing screenshots or reference material. --> I _think_ all the ligatures should be rendered the same way, since other ligature based issue suggest that the prompt 'doesn't know' the meaning of the text displayed. # Actual behavior <!-- What's actually happening? --> Refer to the image above.
claunia added the Needs-Tag-Fix label 2026-01-31 00:12:07 +00:00
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Reference: starred/terminal#5380