[css/Add_htmlElementNames]
diff --git a/compiler-jx/src/main/java/org/apache/royale/compiler/internal/driver/js/royale/JSCSSCompilationSession.java b/compiler-jx/src/main/java/org/apache/royale/compiler/internal/driver/js/royale/JSCSSCompilationSession.java
index 2b9d067..820ec61 100644
--- a/compiler-jx/src/main/java/org/apache/royale/compiler/internal/driver/js/royale/JSCSSCompilationSession.java
+++ b/compiler-jx/src/main/java/org/apache/royale/compiler/internal/driver/js/royale/JSCSSCompilationSession.java
@@ -322,6 +322,7 @@
         "label",
         "li",
         "main",
+        "mark",
         /*"menu", not cross-browser, and we want to use it in Royale */
         "nav",
         "ol",