10. A system for enhancement of an input document data stream which comprises at least one input format formdef file as an advanced function presentation (AFP) format definition resource file (formdef) comprising format definitions and an input document data file structured in ranges and sub-ranges and containing variable data, comprising: a print data processing computer having a control file defining finishing commands and enhancing the data stream with said finishing commands, said control file being generated by analyzing a data structure of the input document data file and mapping said data structure into said control file, and said finishing commands being automatically inserted into said formdef file which are invoked instead of original calls contained in the document data file; the control file also defining document levels that correspond to at least one of the ranges and the sub-ranges of the input document data files, the document levels on which specific ones of the finishing commands are to be applied being defined independent of said data structure of the document input file, said data processing computer comprising a first computer program module providing a graphical user interface by which a user specifies said levels within the data stream; the control file, also by use by the user of said graphical user interface also associating the finishing commands with the levels and registering which finishing commands are executed in which levels; the control file also associating a first of the finishing commands with one of the ranges and associating a second of the finishing commands with one of the sub-ranges; and said processing computer with a second computer program module using the control file, input format file, and the input document data file to automatically generate and output to a printing device for creating a printed document an output format file as an advanced function presentation (AFP) format definition resource file (formdef) that contains the finishing commands in callable groups, the output format formdef file being provided with modified medium maps relative to the formdef file, and an output document data file containing the variable data and group calls associated by at least one of range-by-range and sub-range-by-sub-range.
10. A system for enhancement of an input document data stream which comprises at least one input format formdef file as an advanced function presentation (AFP) format definition resource file (formdef) comprising format definitions and an input document data file structured in ranges and sub-ranges and containing variable data, comprising: a print data processing computer having a control file defining finishing commands and enhancing the data stream with said finishing commands, said control file being generated by analyzing a data structure of the input document data file and mapping said data structure into said control file, and said finishing commands being automatically inserted into said formdef file which are invoked instead of original calls contained in the document data file; the control file also defining document levels that correspond to at least one of the ranges and the sub-ranges of the input document data files, the document levels on which specific ones of the finishing commands are to be applied being defined independent of said data structure of the document input file, said data processing computer comprising a first computer program module providing a graphical user interface by which a user specifies said levels within the data stream; the control file, also by use by the user of said graphical user interface also associating the finishing commands with the levels and registering which finishing commands are executed in which levels; the control file also associating a first of the finishing commands with one of the ranges and associating a second of the finishing commands with one of the sub-ranges; and said processing computer with a second computer program module using the control file, input format file, and the input document data file to automatically generate and output to a printing device for creating a printed document an output format file as an advanced function presentation (AFP) format definition resource file (formdef) that contains the finishing commands in callable groups, the output format formdef file being provided with modified medium maps relative to the formdef file, and an output document data file containing the variable data and group calls associated by at least one of range-by-range and sub-range-by-sub-range. 13. A system according to claim 10 wherein at least one of said input document data stream and an output document data stream comprising said output document data file is resource-structured and comprises a page description language data stream.