core/plugins/org.eclipse.dltk.ui/src/org/eclipse/dltk/ui/messages.properties - dltk/org.eclipse.dltk.core - Git at Google

 DLTKExecuteExtensionHelper_natureAttributeMustBeSpecifiedAndCorrect=Nature attribute must be specified and correct
 PluginImagesHelper_imageRegistryAlreadyDefined=Image registry already defined
	DLTKExecuteExtensionHelper_natureAttributeMustBeSpecifiedAndCorrect=Nature attribute must be specified and correct
	PluginImagesHelper_imageRegistryAlreadyDefined=Image registry already defined