1    /CHARSET

       /CHARSET=charset

    Specify the character set for the part.

2    /CHECKSUM

       /CHECKSUM
       /NOCHECKSUM (default)

3    /DEBUG

       /DEBUG
       /NODEBUG (default)

    Control whether or not to display debug output.

4    /ENCODING

       /ENCODING=encoding

    Specify the encoding used for the part.

5    /FILENAME

       /FILENAME=name
       /NOFILENAME (default)

    Specify a file name to include in the MIME labelling.

6    /FTYPE

       /FTYPE=type

7    /FCREATOR

       /FCREATOR=creator

8    /FDL

       /FDL=fdl-spec

9    /HEADER

       /HEADER
       /NOHEADER (default)

    Specify whether MIME headers are present or should be written
    to the part. The default is /NOHEADER, MIME headers are neither
    looked for nor generated.

10    /LINE_LENGTH

       /LINE_LENGTH=value

11    /MODE

       /MODE=mode

    Specify the conversion mode. The mode value may be any of
    CRATTRIBUTE, LFATTRIBUTE, CRLFATTRIBUTE, BLOCK, RECORD, TEXT,
    POSTSCRIPT, ENRICHED, FLOWED, HTML, DOUBLEAPPLE, SINGLEAPPLE,
    BINHEX, or VIRUSSCAN.

12    /MPARAMETERS

       /MPARAMETERS=param-list

13    /MSUBTYPE

       /MSUBTYPE=type

14    /PARAMETERS

       /PARAMETERS=param-list

15    /SUBTYPE

       /SUBTYPE=subtype

    Specify the MIME subtype.

16    /TYPE

       /TYPE=type

    Specify the MIME type.