append		add new errors to current structure from a file.
change 		change the backdrops of the current formats.
create		create a new entry number enum in the list of errors.
delete		delete an error from the list of errors.
edit		edit the fields of an error instance.
extract		output reduced instance of the current error information
		structure.  A .ext file will be created to be used by the
		lister. 
formats		list the backdrops of the current formats.
howmany		tells how many errors in the set there are.
list		list a brief summary of the errors in set.
nlist 		list a brief summary of the errors from min to max.
ntype		list all the information of the errors from min to max.
print 		formatter commands for Users Manual Section of current error 
		information structure. A .rof or .tex file will be created 
		depending on the value of the varibale formatter (troff or 
		latex).
quit		exit from ErrorDB program.
read		read a new error information structure in from a file.
restore		restore a deleted entry.
type		list all the information of the errors in set.
write		write the current error information structure to a file.
