Merge commit 'a435ca5b'

* commit 'a435ca5b':
  doc: Explain that the default RTMP user agent is different when publishing

Merged-by: Michael Niedermayer <michaelni@gmx.at>

doc/protocols.texi

@@ -423,7 +423,8 @@ times to construct arbitrary AMF sequences.
 
 @item rtmp_flashver
 Version of the Flash plugin used to run the SWF player. The default
-is LNX 9,0,124,2.
+is LNX 9,0,124,2. (When publishing, the default is FMLE/3.0 (compatible;
+<libavformat version>).)
 
 @item rtmp_flush_interval
 Number of packets flushed in the same request (RTMPT only). The default