Thanks "man-at-home" (https://github.com/man-at-home) for contributing an AsciiDoc documentation generator to [OpenAPI Generator](https://github.com/OpenAPITools/openapi-generator). To generate API documentation in AsciiDoc format, please follow 3 simple steps below:<p>1. Download the Java JAR (https://oss.sonatype.org/content/repositories/snapshots/org/openapitools/openapi-generator-cli/4.1.3-SNAPSHOT/openapi-generator-cli-4.1.3-20190920.093941-26.jar)<p>2. Rename the JAR as "openapi-generator-cli.jar"<p>3. Run the following command to generate API documentation in AsciiDoc format for the Petstore API (https://raw.githubusercontent.com/OpenAPITools/openapi-generator/master/modules/openapi-generator/src/test/resources/2_0/petstore.yaml):<p>Mac/Linux:<p>- java -jar openapi-generator-cli.jar generate -g asciidoc -i https://raw.githubusercontent.com/OpenAPITools/openapi-generator/master/modules/openapi-generator/src/test/resources/2_0/petstore.yaml -o /var/tmp/asciidoc/<p>Windows:<p>- java -jar openapi-generator-cli.jar generate -g asciidoc -i https://raw.githubusercontent.com/OpenAPITools/openapi-generator/master/modules/openapi-generator/src/test/resources/2_0/petstore.yaml -o C:\tmp\asciidoc<p>If you've any feedback or question, please let us know via https://github.com/OpenAPITools/openapi-generator/issues/new