anchor.diff:  The workflow is defined by
   https://github.com/jMonkeyEngine/jmonkeyengine/blob/master/.github/workflows/main.yml[the "main.yml" script].
   It performs clean builds of the Engine
  -across a matrix of 4 operating systems and 2 javadoc versions.
  +across a matrix of 4 operating systems and 2 Java versions.
   It also performs a clean build of the merged javadoc.
   
   Any failure of the CI workflow causes notifications to be sent.
  
positive.code: 
  Browse to https://oss.sonatype.org/[the Nexus Repository Manager].
  
  Select the "Log In" link in the upper right corner of the page.
  
  image::sonatype/login.png[login.png]
  
  Type your Sonatype credentials into the dialog box
  and click on the "Log In" button.
  
  image::sonatype/login_dialog.png[login_dialog.png]
  
  
negative.code: 
  image::sonatype/repo_closed.png[repo_closed.png]
  
  To begin the synching process,
  click on the "Release" button and then the "Confirm" button.
  The process usually takes about 20 minutes.
  I don't know a good way to monitor this process.
  To detect completion, browse to
  