Input Instructions for DTFR

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     *                                                                *
     * card 1       units                                             *
     *    nin       input unit with data from groupr (binary).        *
     *    nout      output unit containing dtf tables (coded).        *
     *              (default=0=none)                                  *
     *    npend     input unit with pendf tape for point plots.       *
     *              (default=0=none)                                  *
     *    nplot     output plot info for plotr module                 *
     *              (default=0=none)                                  *
     * card 2       options                                           *
     *    iprint    print control (0 minimum, 1 maximum)              *
     *    ifilm     film control (0/1/2=no/yes with 1 plot per frame/ *
     *              yes with 4 plots per frame (default=0)            *
     *    iedit     edit control (0/1=in table/separate) (default=0)  *
     *                                                                *
     *       cards 3 through 5 only for iedit=0                       *
     *                                                                *
     * card 3       neutron tables                                    *
     *    nlmax     number of neutron tables desired.                 *
     *    ng        number of neutron groups                          *
     *    iptotl    position of total cross section                   *
     *    ipingp    position of in-group scattering cross section.    *
     *    itabl     neutron table length desired.                     *
     *    ned       number of entries in edit table (default=0).      *
     *    ntherm    number of thermal groups (default=0).             *
     *  card 3a only for ntherm ne 0                                  *
     * card 3a      thermal incoherent and coherent mts               *
     *    mti       mt for thermal incoherent data                    *
     *    mtc       mt for thermal coherent data (default=0)          *
     *    nlc       no. coherent legendre orders (default=0)          *
     * card 4       edit names                                        *
     *       six character hollerith names for edits for as many      *
     *       cards as needed.  there will be iptotl-3 names read.     *
     *       each name is delimited with *.                           *
     * card 5       edit specifications                               *
     *       ned triplets of numbers on as many cards as needed.      *
     *       positions can appear more than once.                     *
     *       reaction types can appear more than once.                *
     *    jpos      position of edit quantity.                        *
     *    mt        endf/b reaction number.                           *
     *    mult      multiplicity to be used when adding this mt.      *
     *                                                                *
     *       card 6 for iedit=1                                       *
     *                                                                *
     * card 6       claw-format tables                                *
     *    nlmax     number of neutron tables (def=5)                  *
     *    ng        number of neutron groups (def=30)                 *
     *              (number of thermal groups is zero)                *
     *                                                                *
     * card 7       gamma ray tables                                  *
     *    nptabl    number of gamma tables desired (default=0)        *
     *    ngp       number of gamma groups (default=0)                *
     * card 8       material description                              *
     *       one card for each table set desired.                     *
     *       empty card (/) terminates execution of dtfr.             *
     *    hisnam    6-character isotope name                          *
     *    mat       material number as in endf/b (default=0)          *
     *    jsigz     index number of sigma-zero desired (default=1)    *
     *    dtemp     temperature desired (default=300)                 *
     *                                                                *
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