nano: Adding Indents To A 'softwrap' Line?

I use

in

, because I find it more comfortable. However, every once in a while, I'm not paying enough attention, and I'll nuke part of a wrapped line, since it doesn't have any indentation. Is it possible to have a

line begin at the same indentation as the line started? I dug though the manual, I already use

, but that's not relevant to wrapping. My search skills are failing me :) Or, it can't work that way.