1. Apparatus comprising: a computer-readable media-stored document application interoperable with a computer to cause document application processes to be performed whereby document files are modified, the document files including a given page description language (PDL) file which is a given bleed-independent PDL file without any bleed data before being operated upon by a bleed creation mechanism; the bleed creation mechanism, the bleed creation mechanism including an image extender configured to automatically determine, from the given bleed-independent PDL file, non-blank extended image information based on a location of a yet-to-be-provided blank perimeter area intended to surround an image in the given bleed-independent PDL file, and configured to create and populate the blank perimeter area with the non-blank extended image information; and a page size modifier configured to automatically provide and decide the location of the blank perimeter area of the core image in the given PDL file to thereby create a bleed-dependent PDL file, by automatically modifying, in the given PDL file, a page size setting for the image to provide the blank perimeter area.