patch 7.4.858

Problem:    It's a bit clumsy to execute a command on a list of matches.
Solution:   Add the ":ldo", ":lfdo", ":cdo" and ":cfdo" commands. (Yegappan
            Lakshmanan)

runtime/doc/editing.txt

@@ -868,7 +868,8 @@ USING THE ARGUMENT LIST
 			each file.
 			{not in Vi} {not available when compiled without the
 			|+listcmds| feature}
-			Also see |:windo|, |:tabdo| and |:bufdo|.
+			Also see |:windo|, |:tabdo|, |:bufdo|, |:cdo|, |:ldo|,
+			|:cfdo| and |:lfdo|
 
 Example: >
 	:args *.c