We are pleased to announce the Maven PDF Plugin 2.2 release! 

http://maven.apache.org/maven-1.x/plugins/pdf/

PDF Documentation generator 

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Changes in this version include:

  New Features:

o Add USLetter (8.5"x11") as a paper type. Fixes MPPDF-10. Thanks to M. Sean 
  Gilligan. 

  Fixed bugs:

o PRE tag support added. Fixes MPPDF-14. 
o Show "v." in cover only when version is not empty. 
o The new property "maven.pdf.navigationFilePath" allows you to define a 
  different directory from ${maven.xdoc.src} for the navigation file. From 
  now, the PDF plugin can be used in a multiproject environment with a 
  navigation file dynamically generated. Fixes MPPDF-12.  

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To automatically install the plugin, type the following on a single line:

maven plugin:download
  -Dmaven.repo.remote=http://people.apache.org/repo/m1-snapshot-repository/,http://repo1.maven.org/maven
  -DgroupId=maven
  -DartifactId=maven-pdf-plugin
  -Dversion=2.2

For a manual installation, you can download the plugin here:
http://www.apache.org/dyn/closer.cgi/java-repository/maven/plugins/maven-pdf-plugin-2.2.jar
 

Have fun!
-The Maven PDF Plugin development team