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+# Hello World Pygls Language Server
+
+This is the bare-minimum, working example of a Pygls-based Language Server. It is the same as that shown in the main README, it autocompletes `hello.` with the options, "world" and "friend".
+
+You will only need to have installed Pygls on your system. Eg; `pip install pygls`. Normally you will want to formally define `pygls` as a dependency of your Language Server, with something like [venv](https://docs.python.org/3/library/venv.html), [Poetry](https://python-poetry.org/), etc.
+
+# Editor Configurations
+
+<details>
+<summary>Neovim Lua (vanilla Neovim without `lspconfig`)</summary>
+
+  Normally, once you have completed your own Language Server, you will want to submit it to the [LSP Config](https://github.com/neovim/nvim-lspconfig) repo, it is the defacto way to support Language Servers in the Neovim ecosystem. But before then you can just use something like this:
+
+  ```lua
+  vim.api.nvim_create_autocmd({ "BufEnter" }, {
+    -- NB: You must remember to manually put the file extension pattern matchers for each LSP filetype
+    pattern = { "*" },
+    callback = function()
+      vim.lsp.start({
+        name = "hello-world-pygls-example",
+        cmd = { "python path-to-hello-world-example/main.py" },
+        root_dir = vim.fs.dirname(vim.fs.find({ ".git" }, { upward = true })[1])
+      })
+    end,
+  })
+  ```
+</details>
+
+<details>
+<summary>Vim (`vim-lsp`)</summary>
+
+  ```vim
+  augroup HelloWorldPythonExample
+  au!
+  autocmd User lsp_setup call lsp#register_server({
+      \ 'name': 'hello-world-pygls-example',
+      \ 'cmd': {server_info->['python', 'path-to-hello-world-example/main.py']},
+      \ 'allowlist': ['*']
+      \ }})
+  augroup END
+  ```
+</details>
+
+<details>
+<summary>Emacs (`lsp-mode`)</summary>
+  Normally, once your Language Server is complete, you'll want to submit it to the [M-x Eglot](https://github.com/joaotavora/eglot) project, which will automatically set your server up. Until then, you can use:
+
+  ```
+  (make-lsp-client :new-connection
+  (lsp-stdio-connection
+    `(,(executable-find "python") "path-to-hello-world-example/main.py"))
+    :activation-fn (lsp-activate-on "*")
+    :server-id 'hello-world-pygls-example')))
+  ```
+</details>
+
+<details>
+<summary>Sublime</summary>
+
+
+  ```
+  {
+      "clients": {
+        "pygls-hello-world-example": {
+          "command": ["python", "path-to-hello-world-example/main.py"],
+          "enabled": true,
+          "selector": "source.python"
+        }
+      }
+    }
+  ```
+</details>
+
+<details>
+<summary>VSCode</summary>
+  
+  VSCode is the most complex of the editors to setup. See the [json-vscode-extension](https://github.com/openlawlibrary/pygls/tree/master/examples/json-vscode-extension) for an idea of how to do it.
+</details>