Ctl-x k when you have more than one file opened. Ctl-x C is faster and more easy in this particular case. Hum, I see. I stand corrected. It seems that all this

Ctl-x k when you have more than one file opened. Ctl-x C is faster and more easy in this particular case. Hum, I see. I stand corrected. It seems that all this time I was typing Ctl-x Ctl-C instead. I never use copy in emacs