patch 7.4.925

Problem:    User may yank or put using the register being recorded in.
Solution:   Add the recording register in the message. (Christian Brabandt,
            closes #470)

runtime/doc/options.txt

@@ -6528,6 +6528,7 @@ A jump table for the options with a short description can be found at |Q_op|.
 	  c	don't give |ins-completion-menu| messages.  For example,
 		"-- XXX completion (YYY)", "match 1 of 2", "The only match",
 		"Pattern not found", "Back at original", etc.
+	  q     use "recording" instead of "recording @a"
 
 	This gives you the opportunity to avoid that a change between buffers
 	requires you to hit <Enter>, but still gives as useful a message as