1 03/18/76   scratch, scr
 2 
 3 Function:  empties either the current and alter files or a
 4 saved file.
 5 
 6 
 7 Syntax:  scr {file_name}
 8 
 9 
10 Arguments:  file_name is the name of a previously saved file.  If not
11 given, the current and alter files are assumed.