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[//]: # (title: Markdown)
> The Markdown output formats are still in Alpha so you may find bugs and experience migration issues when using them. **You use them at your own risk.**
>
{type="warning"}
Dokka is able to generate documentation in [GitHub Flavored](#gfm) and [Jekyll](#jekyll) compatible Markdown.
These formats give you more freedom in terms of hosting documentation as the output can be embedded right into your
documentation website. For example, see [OkHttp's API reference](https://square.github.io/okhttp/4.x/okhttp/okhttp3/)
pages.
Markdown output formats are implemented as [Dokka plugins](dokka-plugins.md), maintained by the Dokka team, and
they are open source.
## GFM
The GFM output format generates documentation in [GitHub Flavored Markdown](https://github.github.com/gfm/).
<tabs group="build-script">
<tab title="Gradle" group-key="kotlin">
The [Gradle plugin for Dokka](dokka-gradle.md) comes with the GFM output format included. You can use the following tasks with it:
| **Task** | **Description** |
|-----------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `dokkaGfm` | Generates GFM documentation for a single project. |
| `dokkaGfmMultiModule` | A [`MultiModule`](dokka-gradle.md#multi-project-builds) task created only for parent projects in multi-project builds. It generates documentation for subprojects and collects all outputs in a single place with a common table of contents. |
| `dokkaGfmCollector` | A [`Collector`](dokka-gradle.md#collector-tasks) task created only for parent projects in multi-project builds. It calls `dokkaGfm` for every subproject and merges all outputs into a single virtual project. |
</tab>
<tab title="Maven" group-key="groovy">
Since GFM format is implemented as a [Dokka plugin](dokka-plugins.md#apply-dokka-plugins), you need to apply it as a plugin
dependency:
```xml
<plugin>
<groupId>org.jetbrains.dokka</groupId>
<artifactId>dokka-maven-plugin</artifactId>
...
<configuration>
<dokkaPlugins>
<plugin>
<groupId>org.jetbrains.dokka</groupId>
<artifactId>gfm-plugin</artifactId>
<version>%dokkaVersion%</version>
</plugin>
</dokkaPlugins>
</configuration>
</plugin>
```
After configuring this, running the `dokka:dokka` goal produces documentation in GFM format.
For more information, see the Mavin plugin documentation for [Other output formats](dokka-maven.md#other-output-formats).
</tab>
<tab title="CLI" group-key="cli">
Since GFM format is implemented as a [Dokka plugin](dokka-plugins.md#apply-dokka-plugins), you need to download the
[JAR file](https://mvnrepository.com/artifact/org.jetbrains.dokka/gfm-plugin/%dokkaVersion%) and pass it to
`pluginsClasspath`.
Via [command line options](dokka-cli.md#run-with-command-line-options):
```Bash
java -jar dokka-cli-%dokkaVersion%.jar \
-pluginsClasspath "./dokka-base-%dokkaVersion%.jar;...;./gfm-plugin-%dokkaVersion%.jar" \
...
```
Via [JSON configuration](dokka-cli.md#run-with-json-configuration):
```json
{
...
"pluginsClasspath": [
"./dokka-base-%dokkaVersion%.jar",
"...",
"./gfm-plugin-%dokkaVersion%.jar"
],
...
}
```
For more information, see the CLI runner's documentation for [Other output formats](dokka-cli.md#other-output-formats).
</tab>
</tabs>
You can find the source code [on GitHub](https://github.com/Kotlin/dokka/tree/%dokkaVersion%/plugins/gfm).
## Jekyll
The Jekyll output format generates documentation in [Jekyll](https://jekyllrb.com/) compatible Markdown.
<tabs group="build-script">
<tab title="Gradle" group-key="kotlin">
The [Gradle plugin for Dokka](dokka-gradle.md) comes with the Jekyll output format included. You can use the following tasks with it:
| **Task** | **Description** |
|--------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `dokkaJekyll` | Generates Jekyll documentation for a single project. |
| `dokkaJekyllMultiModule` | A [`MultiModule`](dokka-gradle.md#multi-project-builds) task created only for parent projects in multi-project builds. It generates documentation for subprojects and collects all outputs in a single place with a common table of contents. |
| `dokkaJekyllCollector` | A [`Collector`](dokka-gradle.md#collector-tasks) task created only for parent projects in multi-project builds. It calls `dokkaJekyll` for every subproject and merges all outputs into a single virtual project. |
</tab>
<tab title="Maven" group-key="groovy">
Since Jekyll format is implemented as a [Dokka plugin](dokka-plugins.md#apply-dokka-plugins), you need to apply it as a plugin
dependency:
```xml
<plugin>
<groupId>org.jetbrains.dokka</groupId>
<artifactId>dokka-maven-plugin</artifactId>
...
<configuration>
<dokkaPlugins>
<plugin>
<groupId>org.jetbrains.dokka</groupId>
<artifactId>jekyll-plugin</artifactId>
<version>%dokkaVersion%</version>
</plugin>
</dokkaPlugins>
</configuration>
</plugin>
```
After configuring this, running the `dokka:dokka` goal produces documentation in GFM format.
For more information, see the Maven plugin's documentation for [Other output formats](dokka-maven.md#other-output-formats).
</tab>
<tab title="CLI" group-key="cli">
Since Jekyll format is implemented as a [Dokka plugin](dokka-plugins.md#apply-dokka-plugins), you need to download the
[JAR file](https://mvnrepository.com/artifact/org.jetbrains.dokka/jekyll-plugin/%dokkaVersion%). This format is also
based on [GFM](#gfm) format, so you need to provide it as a dependency as well. Both JARs need to be passed to
`pluginsClasspath`:
Via [command line options](dokka-cli.md#run-with-command-line-options):
```Bash
java -jar dokka-cli-%dokkaVersion%.jar \
-pluginsClasspath "./dokka-base-%dokkaVersion%.jar;...;./gfm-plugin-%dokkaVersion%.jar;./jekyll-plugin-%dokkaVersion%.jar" \
...
```
Via [JSON configuration](dokka-cli.md#run-with-json-configuration):
```json
{
...
"pluginsClasspath": [
"./dokka-base-%dokkaVersion%.jar",
"...",
"./gfm-plugin-%dokkaVersion%.jar",
"./jekyll-plugin-%dokkaVersion%.jar"
],
...
}
```
For more information, see the CLI runner's documentation for [Other output formats](dokka-cli.md#other-output-formats).
</tab>
</tabs>
You can find the source code on [GitHub](https://github.com/Kotlin/dokka/tree/%dokkaVersion%/plugins/jekyll).
|
