Thread: Dev-cpp compiler goes wrong ?

i download dev-cpp 5 (beta version) and have a simple test like this:

PHP Code:

#include <iostream>

int main ()
{
  cout << "Hello World!";
  return 0;
} 


what shocked me was the code above refused to work unless i rewrite the first line to this: #include <iostream.h>, too strange i remembered C++ compiler could recognize preprocessor whithout .h extension, what's happened ???