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Engineering Notes

Narrow technical notes about one engineering question at a time, grounded in public source, debugging evidence, and explicit limitations.

  • Engineering NoteTermstead

    When a Terminal Cell Width Is Not a Text-Run Width

    A focused Termstead debugging note about the difference between terminal-cell geometry and shaped text-run width at the GPUI renderer boundary.

    Question: Why did Termstead need a per-cell forced width instead of the total shaped-run width?

    rendererterminalRustGPUIRead the note