> I was led to believe by the documentation, and by looking at the source > code, that properties set on the command line that invokes Ant (such as > java -Dmy.property=my.value org.apache.tools.ant.Main) would override > any value set for my.property in the build.xml file.
Yep. That was intended behavior. If it doesn't work that way then it's way busted. .duncan
