  \/ P - P R I N T \/

Prints the specified # of lines from the current file position. Stops if it
reaches end-of-file first or if any character is entered on the keyboard.

Parameter
 <# lines> # of lines to print. Optional - taken as 1 if not specified.

File position
 The file will be positioned after the last line printed, except in the case
where printing was terminated by keying a character, where the postion will
be some indeterminate amount further down the file.
