value = FessFunctions.formatCode("L", "prettyprint", "text/plain", code);
        assertEquals("<pre class=\"prettyprint linenums:10\">aaa</pre>", value);

        code = "L10:aaa\nL11:bbb";
        value = FessFunctions.formatCode("L", "prettyprint", "text/plain", code);
        assertEquals("<pre class=\"prettyprint linenums:10\">aaa\nbbb</pre>", value);

        code = "L10:aaa\nL11:bbb\nL12:ccc";

# updated and written, and the script would remove the env var
INHERIT: !ENV [INSIDERS_FILE, '../en/mkdocs.no-insiders.yml']
markdown_extensions:
  pymdownx.highlight:

    Takes an optional LANG argument with the name of the language to serve, by default
    en.
    """
    # Enable line numbers during local development to make it easier to highlight
    os.environ["LINENUMS"] = "true"
    if lang is None:
        lang = "en"
    lang_path: Path = docs_path / lang
    os.chdir(lang_path)
    mkdocs.commands.serve.serve(dev_addr="127.0.0.1:8008")

        if (StringUtil.isBlank(content)) {
            return "<pre class=\"" + style + "\">" + input.replaceAll("L[0-9]+:", StringUtil.EMPTY).trim() + "</pre>";
        }
        return "<pre class=\"" + style + " linenums:" + lineNum + "\">" + content + "</pre>";
    }

    public static String getMessage(final String key, final String defaultValue) {

* 🌐 Add Russian translation for `docs/ru/docs/tutorial/response-model.md`. PR [#9675](https://github.com/tiangolo/fastapi/pull/9675) by [@glsglsgls](https://github.com/glsglsgls).

### Internal

* 🔨 Enable linenums in MkDocs Material during local live development to simplify highlighting code. PR [#9769](https://github.com/tiangolo/fastapi/pull/9769) by [@tiangolo](https://github.com/tiangolo).