-/* Move active window forwards (set dir="f") or backwards (set dir="b"). Wrap
- * around in the window chain if start / end of it is met.
- */
-extern void shift_active_win(struct WinMeta * wmeta, char dir);
-
-
-
-/* Draw virtual screen including all windows. Also add scroll hints (a line
- * stating that there is more to see on scrolling further into a certain
- * direction) for where the edges of the terminal screen hit non-edges of and
- * inside the virtual screen. Then update the terminal screen.
+/* Move active window forwards ("dir" == "f") or backwards (any other "dir").
+ * Wrap around in the window chain if start / end of it is met. Does nothing if
+ * no window is active.