patch 8.1.0648: custom operators can't act upon a forced motion

Problem:    Custom operators can't act upon a forced motion. (Christian
            Wellenbrock)
Solution:   Add the forced motion to the mode() result. (Christian Brabandt,
            closes #3490)
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index 85b9e44..927912f 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -6324,6 +6324,10 @@
 
 		   n	    Normal, Terminal-Normal
 		   no	    Operator-pending
+		   nov	    Operator-pending (forced characterwise |o_v|)
+		   noV	    Operator-pending (forced linewise |o_V|)
+		   noCTRL-V Operator-pending (forced blockwise |o_CTRL-V|);
+		   		CTRL-V is one character
 		   niI	    Normal using |i_CTRL-O| in |Insert-mode|
 		   niR	    Normal using |i_CTRL-O| in |Replace-mode|
 		   niV	    Normal using |i_CTRL-O| in |Virtual-Replace-mode|