message: COMP: argc is now used in core_utilities example
diff: @@ -105,7 +105,7 @@ void demoFileSystemAndString(const char* argv0)
  }
  // _fs_string_end
  -int main(int AXOM_NOT_USED(argc), char** argv )
  +int main(int argc, char** argv )
  {
  // _about_start
  std::cout << "Here is a message telling you about Axom." << std::endl;
  