added clipboard functionality

st-clipboard-0.8.3.diff

@@ -0,0 +1,12 @@
+diff --git a/x.c b/x.c
+index e5f1737..5cabd60 100644
+--- a/x.c
++++ b/x.c
+@@ -673,6 +673,7 @@ setsel(char *str, Time t)
+ 	XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t);
+ 	if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win)
+ 		selclear();
++	clipcopy(NULL);
+ }
+ 
+ void

x.c

@@ -675,6 +675,7 @@ setsel(char *str, Time t)
 	XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t);
 	if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win)
 		selclear();
+	clipcopy(NULL);
 }
 
 void