build.properties for build break, Lawrence :)
diff --git a/bundles/org.eclipse.wst.dtd.ui/build.properties b/bundles/org.eclipse.wst.dtd.ui/build.properties
index 121de9c..ed00719 100644
--- a/bundles/org.eclipse.wst.dtd.ui/build.properties
+++ b/bundles/org.eclipse.wst.dtd.ui/build.properties
@@ -21,6 +21,5 @@
                @dot/**,\
                temp.folder/**
 source.. = src/,\
-           src-validation/,\
            src-properties/
 src.includes = build.properties