Even today, with proportional fonts and complex layouts, there are still [[Template:Lines_too_long|cases]] where you need to wrap text at a specified column.
The basic task is to wrap a paragraph of text in a simple way in your language.
If there is a way to do this that is built-in, trivial, or provided in a standard library, show that. Otherwise implement the [http://en.wikipedia.org/wiki/Word_wrap#Minimum_length minimum length greedy algorithm from Wikipedia.]