How Do I Enter Line Breaks into String Values? (Magic xpa 3.x)

When you are editing string values in the Expression list, you can format those string values as you would in a text editor. That is, you can enter line feeds, and spaces.

In order to do this, you need to be in Wide mode first. This opens up the expression in a little text-editing box. You can read more about this in How Do I Format an Expression in the Expression Window?.