support "Java X" language level in compiler

diff --git a/jps/model-api/src/org/jetbrains/jps/model/java/LanguageLevel.java b/jps/model-api/src/org/jetbrains/jps/model/java/LanguageLevel.java
index 7cddb2d0f6a3efd4f841e18cb214c69c3b040408..902b25d41d6af5120b9da62517ea51cf635ecd06 100644 (file)
--- a/jps/model-api/src/org/jetbrains/jps/model/java/LanguageLevel.java
+++ b/jps/model-api/src/org/jetbrains/jps/model/java/LanguageLevel.java
@@ -21,7 +21,7 @@ import org.jetbrains.annotations.NotNull;
  * @author nik
  */
 public enum LanguageLevel {
-  JDK_1_3("1.3"), JDK_1_4("1.4"), JDK_1_5("1.5"), JDK_1_6("1.6"), JDK_1_7("1.7"), JDK_1_8("1.8"), JDK_1_9("1.9"), JDK_X("X");
+  JDK_1_3("1.3"), JDK_1_4("1.4"), JDK_1_5("1.5"), JDK_1_6("1.6"), JDK_1_7("1.7"), JDK_1_8("1.8"), JDK_1_9("1.9"), JDK_X("");
 
   private final String myComplianceOption;