<stringParams combine.children="append">
            <!-- NOTE: These values are deliberately not in alpha order! -->
            <stringParam>CHILD-1</stringParam>
            <stringParam>CHILD-3</stringParam>
            <stringParam>CHILD-2</stringParam>
            <stringParam>CHILD-4</stringParam>
          </stringParams>
          <listParam combine.children="append">

          <stringParams combine.children="append">
            <!-- NOTE: These values are deliberately not in alpha order! -->
            <stringParam>CHILD-1</stringParam>
            <stringParam>CHILD-3</stringParam>
            <stringParam>CHILD-2</stringParam>
            <stringParam>CHILD-4</stringParam>
          </stringParams>
          <listParam combine.children="append">

        <groupId>org.apache.maven.its.plugins</groupId>
        <artifactId>maven-it-plugin-configuration</artifactId>
        <version>2.1-SNAPSHOT</version>
        <configuration>
          <stringParams combine.children="append">
            <stringParam>  childParam  </stringParam>
            <stringParam xml:space="preserve">  preserve space  </stringParam>
          </stringParams>
        </configuration>
      </plugin>
    </plugins>

    <relativePath>../parent/pom.xml</relativePath>
  </parent>

  <artifactId>child</artifactId>
  <name>Child Project</name>
  <description>
    Test that inheritance of those URLs which automatically append the child's artifact id take the child's
    relative location to the parent into account.
  </description>

  <build>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.its.plugins</groupId>

  <version>1.0</version>
  <packaging>pom</packaging>

  <name>Maven Integration Test :: MNG-2591</name>
  <description>
    Test aggregation of list configuration items for build plugins when using
    'combine.children=append' attribute.
  </description>

  <modules>
    <module>subproject</module>
  </modules>

  <build>
    <pluginManagement>
      <plugins>
        <plugin>

      <plugins>
        <plugin>
          <groupId>org.apache.rat</groupId>
          <artifactId>apache-rat-plugin</artifactId>
          <configuration>
            <excludes combine.children="append">
              <exclude>lifecycle-executor.txt</exclude>
              <exclude>plugin-manager.txt</exclude>
              <exclude>project-builder.txt</exclude>
              <exclude>src/site/resources/design/**</exclude>

    public String getId() {
        StringBuilder id = new StringBuilder( 64 );

        id.append( ( getGroupId() == null ) ? "[inherited]" : getGroupId() );
        id.append( ":" );
        id.append( getArtifactId() );
        id.append( ":" );
        id.append( getPackaging() );
        id.append( ":" );
        id.append( ( getVersion() == null ) ? "[inherited]" : getVersion() );

        return id.toString();
    }

  <artifactId>parent</artifactId>
  <version>0.1</version>
  <packaging>pom</packaging>

  <name>Maven Integration Test :: MNG-2006</name>
  <description>
    Test that inheritance of those URLs which automatically append the child's artifact id take the child's
    relative location to the parent into account.
  </description>

  <modules>
    <module>../child</module>
  </modules>

  <url>https://project.url/parent</url>

  <version>1.0</version>
  <packaging>pom</packaging>

  <name>Maven Integration Test :: MNG-2591</name>
  <description>
    Test aggregation of list configuration items for build plugins when using
    'combine.children=append' attribute.
  </description>

  <modules>
    <module>subproject</module>
  </modules>

  <build>
    <pluginManagement>
      <plugins>
        <plugin>

  <build>
    <resources>
      <resource>
        <directory>..</directory>
        <includes>
          <include>LICENSE</include> <!-- copied from the parent pom because I couldn't figure out a way to make combine.children="append" work -->
          <include>proguard/*</include>
        </includes>
        <targetPath>META-INF</targetPath>
      </resource>
    </resources>
    <plugins>
      <plugin>