node.js shell executes line twice if it returns function and doesn't end in semicolon

test.js

exports.get_funky = function () {
    console.log("funky");
    return function () {};
}

exports.get_nuffin = function () {
    console.log("nuffin");
}

/*
> var test = require('./test.js');
> test.get_funky();
funky
[Function]
> test.get_funky()
funky
funky
[Function]
> test.get_nuffin()
nuffin
> test.get_nuffin(), test.get_funky()
nuffin
funky
nuffin
funky
[Function]
*/

nodejs/node-v0.x-archive#870