merge.

diff --cc st.c
index 98bb051,46f6d5b..e193443
--- 1/st.c
--- 2/st.c
+++ b/st.c
@@@ -1861,7 -1855,7 +1861,7 @@@ drawregion(int x1, int y1, int x2, int 
                        xdraws(buf, base, ox, y, ic, ib);
        }
        xdrawcursor();
-       XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, xw.bufw, xw.bufh, BORDER, BORDER);
 -      XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, x1*xw.cw, y1*xw.ch, (x2-1)*xw.cw, (y2-1)*xw.ch, BORDER, BORDER);
++      XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, x1*xw.cw, y1*xw.ch, x2*xw.cw, y2*xw.ch, BORDER, BORDER);
  }
  
  void