[power-pro] How to limit width of items in *Clip MenuPaste?

[Y R U 2 L8]

The items in the menu are too wide (like 80 characters) and the third 
column of the menu goes behind the screen on the right. I looked 
through all the config dialogs and didn't find how I can limit the 
width of the menu items. Can I?

I use PowerPro 4.7.