Now, when you disable a filter (F4 → Esc), it will go back to unfiltered mode

but the current process will remain selected (so you can filter, choose and
then go back to unfiltered mode to see the children of that process).

Inspired by feedback at http://www.reddit.com/r/linux/comments/23wpc7/announcing_htop_103_with_new_features_bugfixes/ch1paos

htop.c

@@ -623,6 +623,9 @@ int main(int argc, char** argv) {
 
       if (inc->active) {
          doRefresh = IncSet_handleKey(inc, ch, panel, getMainPanelValue, NULL);
+         if (!inc->active) {
+            follow = true;
+         }
          continue;
       }