updated for version 7.3.196

Problem:    Can't intercept a character that is going to be inserted.
Solution:   Add the InsertCharPre autocommand event. (Jakson A. Aquino)

runtime/doc/eval.txt

@@ -1293,6 +1293,7 @@ v:beval_winnr	The number of the window, over which the mouse pointer is. Only
 					*v:char* *char-variable*
 v:char		Argument for evaluating 'formatexpr' and used for the typed
 		character when using <expr> in an abbreviation |:map-<expr>|.
+		It is also used by the |InsertPreChar| event.
 
 			*v:charconvert_from* *charconvert_from-variable*
 v:charconvert_from