lib/content_handler.js
function(err, content_name, parsed_content, modified_date) {
				if (!err) {
					parsed_contents[content_name] = parsed_content;

					if (modified_date > last_modified) {
						last_modified = modified_date;
					}
				}

				if (content_files.length) {
					return parseFile(content_files.pop(), parse_file_callback);
				} else {
					return callback(null, parsed_contents, last_modified);
				}
			}
function(err, content_name, parsed_content, modified_date) {
				if (!err) {
					parsed_contents[content_name] = parsed_content;

					if (modified_date > last_modified) {
						last_modified = modified_date;
					}
				}

				if (content_files.length) {
					return parseFile(content_files.pop(), parse_file_callback);
				} else {
					return callback(null, parsed_contents, last_modified);
				}
			}
function ( err , content_name , parsed_content , modified_date ) { if ( ! err ) { parsed_contents [ content_name ] = parsed_content ; if ( modified_date > last_modified ) { last_modified = modified_date ; } } if ( content_files . length ) { return parseFile ( content_files . pop ( ) , parse_file_callback ) ; } else { return callback ( null , parsed_contents , last_modified ) ; } }
parse each file
parse each file