just got variables saving from set tag.

__set.cpp

@@ -5,14 +5,20 @@
 namespace jet {
    
    __set::__set(coreutils::ZString &in, coreutils::MString &out, Global &global) : Tag(in, out, global) {
-      output = false;      
-      if(variables["scope"] == "local") 
-	variables[variables["name"]] = variables["value"];
-      if(variables["scope"] == "global")
-	global.variables[variables["name"]] = container;
-
-      global.dump();
-      
-   }
-      
+      output = false;
+      if(!variableDefined("name"))
+	throw coreutils::Exception("set tag must have name defined.");
+      if(variableDefined("value") && hasContainer)
+	throw coreutils::Exception("set tag cannot have both value and a container.");
+      if(!variableDefined("value") && !hasContainer)
+	throw coreutils::Exception("set tag must have a value or a container.");
+      if(!variableDefined("scope") || (variables["scope"] == "global")) {
+	 if(hasContainer) {
+	    global.variables[variables["name"]] = container.parsed();
+	 } else
+	   global.variables[variables["name"]] = variables["value"];
+      } else {
+	 
+      }
+   }      
 }