Line breakers are characters that start new paragraphs and lines of writing. They are most often seen in newspapers, magazines, and other publications with a traditionally strict grid layout. They can also be at the beginning of sentences or even the beginning of words.
A line break filter is a feature that can be used to keep pages from breaking into multiple lines.
Even when there are no breaks in the text, it is still a problem for editors and copywriters. A line break filter can be used to stop the page from breaking into multiple lines.