should be using JavaSE-1.6 VM, and .classpath, codegen.targetPlatform, compliance and source should also all be 1.6; making these changes requires the project to have custom compiler settings in order to continue to import XPathAPI from its original location com.sun.org.apache.xpath.internal, which is still in JavaSE-1.6 rt.jar .

source.. = src/
output.. = bin/
bin.includes = plugin.xml,\
               META-INF/,\
               .,\
               html/,\
               index/,\
               icons/,\
               book.css
src.includes = META-INF/,\
               html/,\
               icons/,\
               plugin.xml,\
               book.css