--- a/langtools/test/tools/doclint/DocLintTester.java	Thu Oct 24 01:27:10 2013 -0400
+++ b/langtools/test/tools/doclint/DocLintTester.java	Thu Oct 24 11:22:50 2013 -0700
@@ -58,6 +58,8 @@
                 badArgs = true;
             } else if (arg.startsWith("-Xmsgs")) {
                 opts.add(arg);
+            } else if (arg.startsWith("-XcustomTags")) {
+                opts.add(arg);
             } else if (arg.startsWith("-")) {
                 opts.add(arg);
                 if (i < args.length - 1 && !args[i+1].startsWith("-"))