The PLRM says quite explicitly that it is only supported for roll devices, where the page size alone doesn't give enough information to decide whether to rotate the page. Filesystem implementation differences. Adobe implementations often treat the filesystem as flat. This means that the path separator characters are not handled as special characters in filenames. This can result from behaviour that is different from Adobe printer implementations.
Current implementation is incompatible with most font installers.
Directory names, including . Cannot load Adobe's fonts. GS does know the size of data requested, so as the procedure is called exact number of times. Thus, GS is more conservative. All rights reserved.