anchor.diff:  			</goals>
   			<configuration>
   				<backend>html</backend>
  -				<doctype>pdf</doctype>
   				<attributes>
  +					<doctype>pdf</doctype>
  +					<toclevels>2</generated>
  +					<toc>left</generated>
  +					<doctype>book</generated>
   					<generated>src/docs/asciidoc/generated</generated>
   				</attributes>
   			</configuration>
  
positive.code: }
  ----
  
  ==== Gradle dependencies
  
  [source,groovy]
  ----
  
negative.code: }
  ----
  
  ===== Asciidoctor Maven configuration
  
  [source,xml]
  ----
  