doc/muxers: Document title tag for attachments

The Matroska muxer has always mapped the title tag to the FileDescription
element for attachments streams since support for writing attachments
was added in commit c7a63a521b5c165405e3577751d649529d09f0c5. This
commit merely documents this fact.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>

diff --git a/doc/muxers.texi b/doc/muxers.texi
index abdeaf2b221307563f6ae66dad94c3029c9b37f3..c598abbe664298b4eead7c606b88b1a93e5a0379 100644 (file)
--- a/doc/muxers.texi
+++ b/doc/muxers.texi
@@ -1314,7 +1314,8 @@ The recognized metadata settings in this muxer are:
 
 @table @option
 @item title
-Set title name provided to a single track.
+Set title name provided to a single track. This gets mapped to
+the FileDescription element for a stream written as attachment.
 
 @item language
 Specify the language of the track in the Matroska languages form.