r20969: document new key binding for switching video streams in MPEG-TS git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@20986 b3059339-0415-0410-9bf9-f77b7e298cf2
r20969: document new key binding for switching video streams in MPEG-TS git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@20986 b3059339-0415-0410-9bf9-f77b7e298cf2