I release a new version of my Drupal  FeedAPI Taxonomy Compare Module.  I found a bug in how the new term was being related to the node.  I was using taxonomy_node_save function from taxonomy.module.  One of the first lines of code in that function is “taxonomy_node_delete_revision($node);” which removes all terms from the node.  Well I was including the current terms in what I was sending this function.  Only the new term.  So the end result was that all of the terms were removed exce