The .CHAPTER command specifies the beginning of a chapter,
    numbers it, and allows you to supply a chapter title. Successive
    .CHAPTER commands number the chapters sequentially. (See also
    .NUMBER CHAPTER and .DISPLAY CHAPTER.)

    Format

      .CHAPTER  [text]

    Abreviated format

      .CH  [text]

1  –  Parameter

 text

    The title of the chapter.