4.0.0 asciidoctor asciidoctor com.baeldung parent-modules 1.0.0-SNAPSHOT org.asciidoctor asciidoctorj ${asciidoctorj.version} org.asciidoctor asciidoctorj-pdf ${asciidoctorj-pdf.version} org.asciidoctor asciidoctor-maven-plugin ${asciidoctor-maven-plugin.version} org.asciidoctor asciidoctorj-pdf ${asciidoctorj-pdf.plugin.version} output-pdf generate-resources process-asciidoc src/docs/asciidoc target/docs/asciidoc ${project.basedir}/src/themes custom pdf book 2.2.2 2.5.7 2.3.4 2.3.4