rem: default: return '[count(preceding-sibling::*) = ' + argument.a + ']'; 
add: default: return '[count(preceding-sibling::*) = ' + (argument.a - 1) + ']'; 
context: 	xpath: function(argument){		switch(argument.special){			case 'n': return '[count(preceding-sibling::*) mod ' + argument.a + ' = ' + argument.b + ']';			case 'last': return '[count(following-sibling::*) = 0]';			case 'only': return '[not(preceding-sibling::* or following-sibling::*)]';			default: return '[count(preceding-sibling::*) = ' + argument.a + ']';		}	},
meta: 9980	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9980/973e2e28efdf913404c6cd405db50ea73aeacbc4/Selectors.Pseudo.js/clean/Selectors/Selectors.Pseudo.js