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				@@ -466,6 +466,7 @@ function Smalltalk() { 
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				      * Add/remove a method to/from a class  
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				      */ 
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				+    /* This is a temporary version of addMethod() for backward compatibility */ 
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				 	st.addMethod = function(method_exJsSelector, klass_exMethod, exKlass) { 
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				         if (typeof method_exJsSelector === "string") { //legacy 
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				             if (method_exJsSelector !== st.selector(klass_exMethod.selector)) { 
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