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[PR #2144] VT sequence support for EraseInLine, EraseInDisplay, DeleteCharacter and InsertCharacter #24826

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opened 2026-01-31 09:05:34 +00:00 by claunia · 0 comments
claunia commented 2026-01-31 09:05:34 +00:00
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Original Pull Request: https://github.com/microsoft/terminal/pull/2144

State: closed
Merged: Yes

Summary of the Pull Request

Implemented the following VT sequences:

  • EraseInLine
  • EraseInDisplay
  • DeleteCharacter
  • InsertCharacter

(Minor: implemented CursorUp and CursorBackward in TerminalDispatch with existing APIs)

References

Related to #1883

PR Checklist

  • I've discussed this with core contributors already. If not checked, I'm ready to accept this work might be rejected in favor of a different grand plan. Issue number where discussion took place: #xxx

Detailed Description of the Pull Request / Additional comments

Without these VT sequences, non-Conhost connections behave strangely (since they do not go through conpty for VT parsing).

Validation Steps Performed

Compared behaviour with putty/other terminals and imitated them

**Original Pull Request:** https://github.com/microsoft/terminal/pull/2144 **State:** closed **Merged:** Yes --- <!-- Enter a brief description/summary of your PR here. What does it fix/what does it change/how was it tested (even manually, if necessary)? --> ## Summary of the Pull Request Implemented the following VT sequences: - EraseInLine - EraseInDisplay - DeleteCharacter - InsertCharacter (Minor: implemented CursorUp and CursorBackward in TerminalDispatch with existing APIs) <!-- Other than the issue solved, is this relevant to any other issues/existing PRs? --> ## References Related to #1883 <!-- Please review the items on the PR checklist before submitting--> ## PR Checklist * [X] I've discussed this with core contributors already. If not checked, I'm ready to accept this work might be rejected in favor of a different grand plan. Issue number where discussion took place: #xxx <!-- Provide a more detailed description of the PR, other things fixed or any additional comments/features here --> ## Detailed Description of the Pull Request / Additional comments Without these VT sequences, non-Conhost connections behave strangely (since they do not go through conpty for VT parsing). <!-- Describe how you validated the behavior. Add automated tests wherever possible, but list manual validation steps taken as well --> ## Validation Steps Performed Compared behaviour with putty/other terminals and imitated them
claunia added the pull-request label 2026-01-31 09:05:34 +00:00
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Reference: starred/terminal#24826
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