If no files are given, grotty will read the standard input. A filename of - will also cause grotty to read the standard input.
Output is written to the standard output.
The font description file may contain a command internalname n where n is a decimal integer. The code field in the font description field gives the code which will be used to output the character. Tabs are assumed to be set every 8 columns. A form feed will be out- put at the end of each page that has no output on its last line. BUGS grotty is intended only for simple documents.