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A framework in which the system is defined by a xml file
TextUS is written in C++. It runs under MS Windows 2000/XP , Linux or Solaris. It includes a simple HTTPS or HTTP server. Importantly, it provides a framework which is similar with AOP(Aspect Oriented Programming). In tTextUS, a software system is composed of all kinds of modules which are some dll files (in MS Windows) or so files ( in Unix etc.). The system is defined by a xml file which describes the data flow and control flow of every module.