[SCM] libav/experimental: Improve docs for the ffmpeg -map option.

[siretart at users.alioth.debian.org]

The following commit has been merged in the experimental branch:
commit bb89b0bc9d82153712c13db00b80e2edcbf697a4
Author: Stefano Sabatini <stefano.sabatini-lala at poste.it>
Date:   Mon Aug 4 07:02:48 2008 +0000

    Improve docs for the ffmpeg -map option.
    
    Originally committed as revision 14530 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/doc/ffmpeg-doc.texi b/doc/ffmpeg-doc.texi
index 57dde53..cb82230 100644
--- a/doc/ffmpeg-doc.texi
+++ b/doc/ffmpeg-doc.texi
@@ -690,10 +690,11 @@ Synchronize read on input.
 @section Advanced options
 
 @table @option
- at item -map input stream id[:input stream id]
+ at item -map @var{input_stream_id}[:@var{sync_stream_id}]
 Set stream mapping from input streams to output streams.
 Just enumerate the input streams in the order you want them in the output.
-[input stream id] sets the (input) stream to sync against.
+ at var{sync_stream_id} if specified sets the input stream to sync
+against.
 @item -map_meta_data @var{outfile}:@var{infile}
 Set meta data information of @var{outfile} from @var{infile}.
 @item -debug

-- 
Libav/FFmpeg packaging