PATCH to optimize two Channels methods

[Richard Earnshaw]

konqueror@gmx.de said:
> Am Mittwoch, 10. März 2004 11:52 schrieb Richard Earnshaw:
> konqueror@gmx.de said:
> > One more chance .... >
> Sorry, Michael, this doesn't compile again.  Did you intend to remove
> all the calls to diag_write as well?
>
> SIGH.
>
> Michael 

Well it compiles, links and runs now.  But all the output tests fail; 
presumably 'cos there isn't any :-(

R.