commit a495fce128a887275d455c09c37b3882e909f962
from: Christoph Lohmann <20h@r-36.net>
date: Sat Apr  5 18:34:57 2014 UTC

There is no need for a full dirt redraw.

commit - 6f4cfa5136d354f3901871b71e460ba9f0f182a3
commit + a495fce128a887275d455c09c37b3882e909f962
blob - a4f467d0c76a3241a885dd854150648a62ab00fd
blob + 392f12de66745da2364a5e0cac24b83906b5c659
--- st.c
+++ st.c
@@ -3440,7 +3440,6 @@ void
 redraw(int timeout) {
 	struct timespec tv = {0, timeout * 1000};
 
-	tfulldirt();
 	draw();
 
 	if(timeout > 0) {