--- file_not_specified_in_diff	
+++ file_not_specified_in_diff	
@@ -, +, @@ 
--- emerge.origional    2003-12-22 18:38:20.000000000 -0600
+++ emerge      2003-12-22 18:39:38.000000000 -0600
@@ -100,7 +100,7 @@ 
                                print "!!! Error: -"+y+" is an invalid short action or option."
                                sys.exit(1)
        else:
-               cmdline.append(x)
+               cmdline.append(x.lower())
 # process the command arguments
 for x in cmdline: