rem: this.addHints(card, filter(this.stacks, testCanMoveToNonEmptyPile(card))); 
add: this.addHints(card, filter(this.piles, testCanMoveToNonEmptyPile(card))); 
context:   addHintsFor: function(card) {    if(!card) return;    this.addHints(card, filter(this.stacks, testCanMoveToNonEmptyPile(card)));    var f = searchPiles(this.foundations, testCanMoveToFoundation(card));    if(f) this.addHint(card, f);  },
meta: 3385	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3385/15f3df693ddf02fb9ee6a2662189220868368b23/cardgame.js/buggy/cardgame.js