Description

davidalayachew

opened on Oct 17, 2025

Issue body actions

What happened?

Go to the playground, clear the textfield, then type the following sequence of characters in the exact order that they appear.

enum idc
{}

As soon as I press {, the idc gets deleted, and when finished typing, I am left with enum }.

OS

Windows

What browsers are you seeing the problem on?

Firefox

Contact Details (optional)

No response

Additional information

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Activity

1. davidalayachew

   added

   playground

   on Oct 17, 2025
2. delabassee commented on Mar 12, 2026

   

   delabassee

   on Mar 12, 2026

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   @davidalayachew We just rolled up a lot of fixes in the UI. Can you please try again and confirm that it's now OK?
3. davidalayachew commented on Mar 13, 2026

   

   davidalayachew

   on Mar 13, 2026

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   @davidalayachew We just rolled up a lot of fixes in the UI. Can you please try again and confirm that it's now OK?

   Now it's broken in a different way.

   If I type in the same sequence as above, then press backspace, I lose the left curly brace instead of the right one. @delabassee
4. delabassee commented on Mar 13, 2026

   

   delabassee

   on Mar 13, 2026

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   Hi @davidalayachew When you create an (opening) enclosing delimiter (ex. '{' ), the editor will add the corresponding (closing) delimiter and position the cursor at the beginning of the new created scope.
   Backspace once should delete both, the opening delimiter that you typed, and the closing one added by the editor.
   Are you observing a different behaviour?
5. davidalayachew commented on Mar 13, 2026

   

   davidalayachew

   on Mar 13, 2026

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   @delabassee

   Here is the before and after of me pressing backspace.

   BEFORE

   

   AFTER

   
6. davidalayachew commented on Mar 13, 2026

   

   davidalayachew

   on Mar 13, 2026

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   And the screenshot doesn't show it, but my cursor is to the right of both braces.
7. davidalayachew commented on Mar 13, 2026

   

   davidalayachew

   on Mar 13, 2026

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   I should clarify, this does work on desktop Firefox, but fails on Firefox on my phone. I forgot that I specified OS in my original bug report. @delabassee
8. davidalayachew commented on Mar 13, 2026

   

   davidalayachew

   on Mar 13, 2026

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   Works fine on Edge for Android. I don't have chrome, so can't check that.

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