Neovim Treesitter Plugins

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Treesitter is the editor’s grammar school. It gives plugins syntax trees instead of just colored text.

Plugin	Why it exists
nvim-treesitter	Provides parsers and highlighting for language-aware behavior.
nvim-dap-repl-highlights	Highlights debugger REPL buffers using parser support.
nvim-ts-autotag	Closes and renames tags in HTML, Vue, Svelte, Markdown, XML, PHP, and related files.
ts-comments.nvim	Makes comments aware of embedded languages and context.
nvim-autopairs	Inserts matching delimiters and cooperates with syntax context.
vim-matchup	Improves % matching and structural navigation on older Neovim versions.

The important design choice is that Treesitter support is feature-gated by O.language_parsing. If a remote or minimal machine cannot support the full parser set, this layer can be reduced without deleting the rest of the config.

Related: option switchboard, debug test data plugins