This is a curiosity-driven question.
\linebreak command comes with five options, from 0 to 4, determining its strength.
\linebreak allows TeX to break a line where he normally does not do it, while
\linebreak forces him to break a line in a place where the command is put (and is thus equivalent to
To be honest, in my LaTeX practice never have I used any variation of the command beyond mere
\linebreak. So, I would like to ask you to share your experience with applying other possibilities. To be more precise:
- could you please point to situations in which it is reasonable to apply
i is not 4? could you please explain why you do so ?
- maybe some of you worked out some general rules which facilitate typesetting with LaTeX (similar for example to placing non-breakable space joining single letter with a word that follows it, like in:
This, I think, qualifies as a CW question, yet I do not have enough reputation to create it.