VMS Help CONVERT, /DOCUMENT, CDA Base Service Converters, Text Output Converter, WIDTH  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    WIDTH value specifies the maximum number of columns of characters
    per page in your text output file. If you specify zero, the
    number of columns per page will correspond to the width specified
    in your document. If you also specify OVERRIDE_FORMAT, or if the
    document has no inherent page size, the document is formatted
    to the value specified by this processing option. If any lines
    of text exceed this width value, the additional columns are
    truncated. The default width is 80 characters.