LaTeX uses the TeX typesetting program for formatting its output, and is itself written in Also, there is no extra blank space inserted between the paragraphs. Paragraph formatting. The default LaTeX formatting is fine and makes documents quite readable, but it can be changed if you need a different looking document. To start a new paragraph in LaTeX, as said before, you must leave a blank line in between. By default, LaTeX does not indent the first paragraph of a section or Introduction · Starting a new paragraph · Paragraph Indentation · Paragraph spacing.