@SuppressWarnings("checkstyle:InterfaceIsType")
public interface Language extends ExtensibleEnum {

    /**
     * The "none" language. It is not versioned, family is same to itself, and compatible with itself only.
     * In turn, every {@link Language} implementation must be compatible with {@code NONE} language.
     */
    Language NONE = language("none");

    /**

## Changes to the language {#language}...

    }

    private static Language deduceLanguage(String sourceLang) {
        if (sourceLang != null) {
            if ("kotlin".equalsIgnoreCase(sourceLang)) {
                return Language.KOTLIN;
            }
            if ("groovy".equalsIgnoreCase(sourceLang)) {
                return Language.GROOVY;
            }
        }
        return Language.UNKNOWN;
    }

```toml
// This is a sample TOML code block
title = "TOML Example"  // Title of the document
```


### Code blocks with comments with unsupported languages or without language specified { #code-blocks-with-unsupported-languages }

The following code blocks use unsupported languages for comment preservation.
Fixer tool will not preserve comments in these blocks.

```javascript
// This is a sample JavaScript code block

# Adding a New Language to Fess

This guide explains how to add internationalization (i18n) support for a new language in Fess.

## Overview

Fess uses a two-tier language support system:

1. **Full UI Translation** (13 languages): Complete user interface translation with label and message files
2. **Search/Analysis Support** (40+ languages): Language-specific text analysis for search indexing

      - name: Export Language Codes
        id: show-langs
        run: |
          echo "langs=$(uv run ./scripts/translate.py llm-translatable-json)" >> $GITHUB_OUTPUT
          echo "commands=$(uv run ./scripts/translate.py commands-json)" >> $GITHUB_OUTPUT
        env:
          LANGUAGE: ${{ github.event.inputs.language }}
          COMMAND: ${{ github.event.inputs.command }}

  translate:

                if (doc.containsKey(f)) {
                    language = detectLanguage(DocumentUtil.getValue(doc, f, String.class));
                    if (language != null) {
                        if (logger.isDebugEnabled()) {
                            logger.debug("set {} to lang field", language);
                        }
                        doc.put(fessConfig.getIndexFieldLang(), language);
                        break;
                    }

    "Framework :: Pydantic :: 2",
    "Intended Audience :: Developers",
    "Programming Language :: Python :: 3 :: Only",
    "Programming Language :: Python :: 3.10",
    "Programming Language :: Python :: 3.11",
    "Programming Language :: Python :: 3.12",
    "Programming Language :: Python :: 3.13",
    "Programming Language :: Python :: 3.14",
    "Topic :: Internet :: WWW/HTTP :: HTTP Servers",
    "Topic :: Internet :: WWW/HTTP",

      - id: generate-readme
        language: unsupported
        name: generate README.md from index.md
        entry: uv run ./scripts/docs.py generate-readme
        files: ^docs/en/docs/index\.md|docs/en/data/sponsors\.yml|scripts/docs\.py$
        pass_filenames: false

      - id: update-languages
        language: unsupported
        name: update languages
        entry: uv run ./scripts/docs.py update-languages

@app.command()
def update_and_add(
    language: Annotated[str, typer.Option(envvar="LANGUAGE")],
    max: Annotated[int, typer.Option(envvar="MAX")] = 10,
) -> None:
    print(f"Updating outdated translations for {language}")
    update_outdated(language=language, max=max)
    print(f"Adding missing translations for {language}")
    add_missing(language=language, max=max)
    print(f"Done updating and adding for {language}")