context:         function getSelectedKeywords()        {            var sortedKwds = new Array, allKwds = '';                        for (var s in selspans)                sortedKwds.push(selspans[s].parentNode.getAttribute('level')                     + '.' + selspans[s].innerHTML)                        sortedKwds.sort();  // according to level, which follows the tree                        for (var k in sortedKwds)            {                var someWords = sortedKwds[k];                allKwds += ', ' + someWords.substr(someWords.indexOf('.')+1);            }                        return allKwds.replace(/[,_\s]+/g, ', ').substr(2);  // strip ', '        }
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