Okay, suppose this line: result = someFunction(param1, param2='ok') mouse over to `someFunction`, a small box shows brief description of function, what i

Okay, suppose this line: result = someFunction(param1, param2='ok') mouse over to `someFunction`, a small box shows brief description of function, what it does, how many parameters are required, what does optional parameters do. It's basically a richer version of <span title="text" alt="text"</span>