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# Objective Fixes #59979 With hard tabs on, expanding a multi-line snippet only re-indents the lines that already start with a tab. Anything with no leading whitespace (closing brackets, mostly) stays at column 0. ## Solution Block autoindent shifts each line by the first line's delta, but only when the line's indent kind matches the target kind. A line with no indentation defaults to `IndentKind::Space`, so under hard tabs it never matches and gets skipped. An empty indent doesn't really have a kind, so I let it adopt the target kind before the check. Lines that actually have space indentation in a tab buffer are still left alone. Normalizing those felt like a bigger question than this bug, happy to look at it separately if wanted. ## Testing New `test_autoindent_block_mode_with_hard_tabs`, same shape as the snippet in the issue. Fails on main (closing brace stays at column 0), passes with the fix. `cargo test -p language` and `-p editor` are green, clippy and fmt too. ## Self-Review Checklist: - [x] I've reviewed my own diff for quality, security, and reliability - [x] Unsafe blocks (if any) have justifying comments - [x] The content adheres to Zed's UI standards ([UX/UI](https://github.com/zed-industries/zed/blob/main/CONTRIBUTING.md#uiux-checklist) and [icon](https://github.com/zed-industries/zed/blob/main/crates/icons/README.md) guidelines) - [x] Tests cover the new/changed behavior - [x] Performance impact has been considered and is acceptable Release Notes: - Fixed multi-line snippets leaving unindented lines at column 0 when `hard_tabs` is enabled. |
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