--- a/src/plparser/Property.java	Sun Aug 29 20:28:00 2010 +0900
+++ b/src/plparser/Property.java	Mon Aug 30 12:35:23 2010 +0900
@@ -1,7 +1,10 @@
 package plparser;
 
+import java.io.PrintStream;
+
 public class Property {
 	String name;
+	public static int indent_step = 4;
 	
 	public Property() {
 		
@@ -15,4 +18,15 @@
 		return name;
 	}
 
+	public void indent(PrintStream out, int indent,int flag) {
+		if (flag==0) return;
+		for(int i=0;i<indent;i++)
+			out.print(' ');
+	}
+
+	public void pp(PrintStream out, int i,int flag) {
+		indent(out,i,flag);
+		out.print(toString());
+	}
+
 }