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feat: add Honey syntax highlighting

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Valdemar Høgsvig Lorenzen
2026-10-16 20:42:17 +02:00
parent 67b42c0d93
commit 02d1422a04
13 changed files with 1525606 additions and 2 deletions
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docs/editing.md
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@@ -588,10 +588,12 @@ config.bind "leader f", config.core.follow_link
## Syntax highlighting
Buffers highlight automatically using [Tree-sitter](https://tree-sitter.github.io/tree-sitter/) and compiled-in grammar/query packages. The selected language set is Rust, Ruby, Python, JSON, Bash, Makefile, Markdown, JavaScript/JSX, TypeScript/TSX, HTML, CSS, YAML, TOML, C, C++, Go, and Zig (`.zig`). Detection uses filename/extension or the in-memory first-line shebang, including common special filenames such as Makefile, Gemfile, and Cargo.lock; no file reread occurs. Unsupported formats use the normal foreground. The detected language appears in status, and save-as redetects it.
Buffers highlight automatically using [Tree-sitter](https://tree-sitter.github.io/tree-sitter/) and compiled-in grammar/query packages. The selected language set is Rust, Ruby, Python, JSON, Bash, Makefile, Markdown, JavaScript/JSX, TypeScript/TSX, HTML, CSS, YAML, TOML, C, C++, Go, Zig (`.zig`), and Honey (`.hon`). Detection uses filename/extension or the in-memory first-line shebang, including common special filenames such as Makefile, Gemfile, and Cargo.lock; no file reread occurs. Unsupported formats use the normal foreground. The detected language appears in status, and save-as redetects it.
Colors retain the terminal palette: comments dark gray, strings green, keywords magenta, numbers yellow, types/markup cyan, and functions light blue. Grammar queries handle multiline/nested constructs, even when their opening is above the viewport. Markdown uses its inline grammar and named fenced-code injections; HTML script/style content uses JavaScript/CSS. Known tagged-template and raw-string injections use the same selected grammar registry; unknown injected languages retain host highlighting or plain text. Highlighting styles whole graphemes and expanded tab cells; partially clipped wide placeholders remain unchanged. Search, Visual selections, and secondary carets retain foreground/background precedence.
Honey uses its bundled grammar and highlight queries, including declarations, primitive types, literals, and comments. Markdown fences accept `honey`, `honeylang`, or `hon`; the language ID is `honey`.
Markdown heading markers (`#` through `######`, or Setext underlines) share the heading text's markup color. List markers (`-`, `+`, `*`, and ordered prefixes such as `1.` or `1)`) also use cyan markup, including nested and blockquoted lists. Plain-text hashes and other punctuation keep their existing styling.
An enabled supporting LSP server supplies semantic tokens automatically, overriding syntax colors only on recognized spans. Semantic colors also use the terminal palette: namespaces neutral gray, types cyan, variables/parameters light cyan, and properties blue. Readonly variables/parameters/properties keep those role colors and add italics; declarations/definitions are bold, documentation comments italic, and deprecated symbols struck through. Italic emphasis depends on terminal support. Edits retain semantic colors outside the changed range and shift them with the text until updated tokens arrive, avoiding whole-buffer flashes. Tree-sitter fills gaps, including edited ranges whose semantic tokens were discarded. Search, Visual selections, diagnostics, and carets keep their existing precedence. See [native LSP configuration](configuration.md#native-lsp) for provider support and server-stack routing.