gctags warning

[Hideki IWAMOTO]

gctags warns to the following simple C++ programs. 
What's wrong?


>cat a.cc 
#include <iostream>
using namespace std;
int
main(void)
{
        cout << "hello world." << endl;
        return 0;
}

>global -f a.cc 
Warning: missing namespace block. [+3 ./a.cc](0x7f3).
main                4 a.cc           main(void)

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Hideki IWAMOTO  address@hidden