ide: Comment/Uncomment block, Core: WString::Replace issue fixed

git-svn-id: svn://ultimatepp.org/upp/trunk@7085 f0d560ea-af0d-0410-9eb7-867de7ffcac7

uppsrc/Core/String.h

@@ -670,6 +670,8 @@ public:
 
 	WString0()                           { Zero(); }
 	~WString0()                          { Free(); }
+
+	WString0& operator=(const WString0& s) { Free(); Set(s); return *this; }
 };
 
 class WString : public Moveable<WString, AString<WString0> >