Version 0.2.3

README.md

-# RelAST Preprocessor Version 0.2.1
+# RelAST Preprocessor Version 0.2.3
 
 ![RelAST process](relast-process.png)
 
@@ -6,7 +6,6 @@ The RelAST preprocessor takes a `.relast` file as input comprising AST rules and
 To use it in your project, build the JAR file running
 
 ```
-
 ./gradlew jar
 ```
 
@@ -42,6 +41,9 @@ Note that you may have to change
 	A.b    -> B;
 	A.b?   -> B;
 	A.bs*  -> B;
+	B      <- A.b  ;
+	B      <- A.b? ;
+	B      <- A.bs*;
 
 	// Bidirectional relations
 	A.b   <-> B.a;