BUG report: ArraySize return is wrong

 
string exportSec[]={
"CL_1",
"HG_1",
"HSI",
"N225",
"SPT_DXY",
"SPT_GLD",
"SPT_NDI",
"SPT_DJI",
};

int secCount = ArraySize(exportSec);
Alert("seccount=", secCount);

The result is 9!
 
oh, I see, there is an extra comma in the end.