In my thesis, I have a subsection title which generates an overfull \hbox in the body of the thesis, but not in the table of contents. So I would like to instruct TeX to break the line in the body, but not in the index. My try was:
and the response was:
So it doesn't work, and I'm starting to think I am misinterpreting
\discretionary. Right now I am out of ideas. Is there a way to achieve the above?
PS Just hyphenating
spaces won't do because it won't remove the overfull \hbox.