function (description, since) {
			var result = description || "";

			if (since) {
				result += '<br><br><i>Since: ' + since + '.</i>';
			}

			result = this._preProcessLinksInTextBlock(result);
			return result;
		}
function (description, since) {
			var result = description || "";

			if (since) {
				result += '<br><br><i>Since: ' + since + '.</i>';
			}

			result = this._preProcessLinksInTextBlock(result);
			return result;
		}
function ( description , since ) { var result = description || "" ; if ( since ) { result += '<br><br><i>Since: ' + since + '.</i>' ; } result = this . _preProcessLinksInTextBlock ( result ) ; return result ; }
Formats the description of control properties
@param description - the description of the property
@param since - the since version information of the property
@returns string - the formatted description
Formats the description of control properties