--- qiv-2.1-pre12/event.c	2007-04-25 06:48:43 +0400
+++ qiv-2.1-pre12-locale/event.c	2007-07-11 14:23:23 +0400
@@ -367,6 +367,23 @@
         }
         /* else record keystroke if not null */
         else if(ev->key.string && *(ev->key.string) != '\0') {
+	  if (!extcommand) {
+            /* leave jumping mode on invalid input and process
+	     * input key as if it entered in non jumping mode */
+	    if((jidx == 0 &&
+	        (*(ev->key.string) != 'f' &&
+		 *(ev->key.string) != 'F' &&
+		 *(ev->key.string) != 'b' &&
+		 *(ev->key.string) != 'B' &&
+		 *(ev->key.string) != 't' &&
+		 *(ev->key.string) != 'T')) ||
+	       (jidx > 0 &&
+		(*(ev->key.string) < '0' || *(ev->key.string) > '9'))) {
+	      jumping = 0;
+	      qiv_handle_event(ev, data);
+	      return;
+	    }
+	  }
           jcmd[jidx++]=*(ev->key.string);
           jcmd[jidx] = '\0';
           if (extcommand)