diff --git a/pom.xml b/pom.xml
index 3d5184ffd..f30cceb24 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-
 <!--
      Licensed to the Apache Software Foundation (ASF) under one
      or more contributor license agreements.  See the NOTICE file
@@ -18,26 +17,24 @@
      specific language governing permissions and limitations
      under the License.
 -->
-
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.odftoolkit</groupId>
     <artifactId>odftoolkit</artifactId>
     <version>0.13.0-SNAPSHOT</version>
     <packaging>pom</packaging>
-
     <parent>
         <groupId>org.apache</groupId>
         <artifactId>apache</artifactId>
         <version>31</version>
         <relativePath />
     </parent>
-
     <properties>
         <javadoc.bottom>Copyright © {inceptionYear}–2018 Apache Software Foundation; Copyright © 2018–{currentYear} {organizationName}. All rights reserved.</javadoc.bottom>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <!-- explicitly setting JDK version for compiler source & target -->
-        <jdk.version>11</jdk.version> <!-- all three JDK versions should not differ -->
+        <jdk.version>11</jdk.version>
+        <!-- all three JDK versions should not differ -->
         <maven.compiler.source>11</maven.compiler.source>
         <maven.compiler.target>11</maven.compiler.target>
         <!-- ANT driven release bundle creation: 3 ZIPs for the complete Toolkit for binaries, documentation and sources -->
@@ -60,7 +57,6 @@
         <maven.javadoc.failOnError>false</maven.javadoc.failOnError>
         <maven.build.timestamp.format>yyyy-MM-dd'T'HH:mm:ss</maven.build.timestamp.format>
     </properties>
-
     <!-- At root project level defining dependencies useable across all projects.
          Making version management easy and consistent! -->
     <dependencyManagement>
@@ -187,7 +183,6 @@
             </dependency>
         </dependencies>
     </dependencyManagement>
-
     <modules>
         <module>taglets</module>
         <module>generator</module>
@@ -195,7 +190,6 @@
         <module>odfdom</module>
         <module>validator</module>
     </modules>
-
     <name>The ODF Toolkit</name>
     <description>
         The ODF Toolkit is a set of Java modules that allow
@@ -215,17 +209,14 @@
         <url>https://github.com/tdf/odftoolkit.git</url>
         <tag>HEAD</tag>
     </scm>
-
     <issueManagement>
         <system>GitHub Issues</system>
         <url>https://github.com/tdf/odftoolkit/issues</url>
     </issueManagement>
-
     <ciManagement>
         <system>travis</system>
         <url>https://travis-ci.community</url>
     </ciManagement>
-
     <distributionManagement>
         <snapshotRepository>
             <id>ossrh</id>
@@ -242,7 +233,6 @@
             <url>https://odftoolkit.org/reports/${project.version}/</url>
         </site>
     </distributionManagement>
-
     <developers>
         <developer>
             <id>svanteschubert</id>
@@ -280,7 +270,6 @@
             <timezone>+1</timezone>
         </developer>
     </developers>
-
     <mailingLists>
         <mailingList>
             <!--
@@ -292,11 +281,10 @@
             <subscribe>dev+subscribe@odftoolkit.org</subscribe>
             <unsubscribe>dev+unsubscribe@odftoolkit.org</unsubscribe>
             <archive>https://listarchives.odftoolkit.org/dev/</archive>
-            <name>dev.odftoolkit.org</name> <!-- List-Id -->
+            <name>dev.odftoolkit.org</name>
+            <!-- List-Id -->
         </mailingList>
     </mailingLists>
-
-
     <build>
         <pluginManagement>
             <plugins>
@@ -416,7 +404,6 @@
                             <!--     see https://github.com/ec4j/editorconfig-maven-plugin/blob/master/ec4j-lint-api/src/main/java/org/ec4j/maven/lint/api/Constants.java#L37 -->
                             <!--      See https://github.com/editorconfig/editorconfig/wiki/EditorConfig-Properties -->
                             <!--      !!! 'mvn editorconfig:format' fixes format via command line!!! -->
-
                             <!-- You can exclude further files from processing: -->
                             <!--<exclude>src/main/**/*.whatever</exclude>-->
                             <exclude>target</exclude>
@@ -429,7 +416,8 @@
                     <version>2.8.2</version>
                     <executions>
                         <execution>
-                            <id>maven-deploy</id>
+                            <!-- any other ID will cause the deployment to happen twice -->
+                            <id>default-deploy</id>
                             <phase>deploy</phase>
                             <goals>
                                 <goal>deploy</goal>
@@ -579,7 +567,6 @@
                 </plugins>
             </build>
         </profile>
-
         <!-- The purpose of the following profile is to make a SonaType Maven release.
             PRECONDITION:
                 1) You need to have a GPG Signature specified:
@@ -630,7 +617,6 @@
                                         <mkdir dir="${release.tmpdir.bin}" />
                                         <mkdir dir="${release.tmpdir.doc}" />
                                         <mkdir dir="${release.tmpdir.src}" />
-
                                         <!-- COLLECT FILES OF BUNDLES -->
                                         <!-- collect binary artefacts -->
                                         <copy todir="${release.tmpdir.bin}" flatten="true">
@@ -677,12 +663,10 @@
                                                 <exclude name="**/.idea" />
                                             </fileset>
                                         </copy>
-
                                         <!-- ZIP FILES to 3 BUNDLES -->
                                         <zip basedir="${release.tmpdir.bin}" destfile="${basedir}/target/${release.zip.bin}" />
                                         <zip basedir="${release.tmpdir.doc}" destfile="${basedir}/target/${release.zip.doc}" />
                                         <zip basedir="${release.tmpdir.src}" destfile="${basedir}/target/${release.zip.src}" />
-
                                         <!-- SIGN 3 BUNDLES -->
                                         <checksum algorithm="SHA-512" fileext=".sha">
                                             <fileset dir="${basedir}/target">
@@ -691,7 +675,6 @@
                                                 <include name="*.tar.bz2" />
                                             </fileset>
                                         </checksum>
-
                                         <!-- MOVE THE 3 BUNDLES -->
                                         <move todir="${release.dir.bin}">
                                             <fileset dir="${basedir}/target">
@@ -708,11 +691,9 @@
                                                 <include name="*-src.*" />
                                             </fileset>
                                         </move>
-
                                         <!-- DELETE TEMPORARY DIRECTORIES>-->
                                         <delete quiet="true" dir="${basedir}/target/archive-tmp" />
                                         <delete quiet="true" dir="${release.tmpdir}" />
-
                                         <echo>*** The release has been prepared in:  ${release.dir} ***</echo>
                                     </target>
                                 </configuration>