dev/mark.find.js
function(type, pattern, data) {
		if (type == 'tag') { // case-insensitive match on tag name
			return pattern && pattern.toLowerCase() == data.toLowerCase();
		} else {
			return pattern === data;
		}
	}
function(type, pattern, data) {
		if (type == 'tag') { // case-insensitive match on tag name
			return pattern && pattern.toLowerCase() == data.toLowerCase();
		} else {
			return pattern === data;
		}
	}
function ( type , pattern , data ) { if ( type == 'tag' ) { // case-insensitive match on tag name
 return pattern && pattern . toLowerCase ( ) == data . toLowerCase ( ) ; } else { return pattern === data ; } }
matchComparison, default is caseSensitiveComparison
matchComparison default is caseSensitiveComparison