Xcode 4 Looping output

i did chapter on loops , noticed output xcode ide not i'm expecting.

code:

    #import <foundation/foundation.h>    int main (int argc, const char * argv[])  {        @autoreleasepool {                              int n;                    (n=0; n < 20 ; n++);          {                            nslog(@"%i",n);                            nslog(@"this line %i.\n", n);                                      }      }      return 0;  }    

and output:

code:

  2012-01-23 11:16:16.393 looping program[995:707] 20  2012-01-23 11:16:16.397 looping program[995:707] line 20.    

am missing setting in xcode or something? says extent of output, yet i'm not seeing lines leading final result.

 

classic newbie mistake. very closely @ statement.

 

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