A warning for an old variable not used does not appear. A previous version bug on overlapping groups distribution on multiple lines is fixed. Page layout for vertical pagination is also adjusted. Standard error reports structure improved. Main GNUawk script is now included onto Main Shell script.
Program can handle input from standard input.
Timing section added to standard error reports. Some enhancements on PostScript prolog section. This code also ends with empty stack. PostScript header and prolog variables now are defined within the Main GNUawk script. This gff2ps version was used to produce the ADH poster for the ISMB'99 meeting.