In {TAIL ~ a preferred embodiment}, {HEAD ~ each} of the providers takes the form of a module that can be dynamically linked in at run time, such as a dynamic link library  
In
In { TAIL ~ a preferred embodiment } , { HEAD ~ each } of the providers takes the form of a module that can be dynamically linked in at run time , such as a dynamic link library
REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH