ceyesuma -4 Posting Pro

Hello
I have the keycards.xml. and it's DTD and the sys put it in a location out side of my package src folder. Is this correct? Should I move this folder to a package in the src file. I am not sure how to locate it if this is true.
now I user keycards.xml . Not sure of the path notation necessary to point to a folder in my src package.