Regarding displaying role description in alv

Hi All,

Here i got struck up with an issue. I want to display role name and its description. But my problem is description is having more than a single line. I need to concatenate all the lines, But I don't know what to do here exactly. I need to display the output in LAV format. And one more thing the description length is more than 255 characters also in that case how to handle.

Please suggest me a solution for this.