Support displaying lyrics in a dedicated buffer, to highlight playing

lyric.

* emms-lyrics.el/emms-lyrics-display-buffer: New var.
emms-lyrics-buffer: New var.
(emms-lyrics-toggle-display-buffer): New func.
(emms-lyrics-create-buffer): New func.
(emms-lyrics-start): Call `emms-lyrics-create-buffer'.
(emms-lyrics-set-timer): Store corresponding LINE number in
emms-lyrics-timers.
(emms-lyrics-display-handler): Add new arg -- LINE;
emms-lyrics-scroll-p's taking effect also depends on
emms-lyrics-display-on-modeline.
(emms-lyrics-display): Add new arg -- LINE; highlight playing lyric
line in emms-lyrics-buffer.
(emms-lyrics-scroll): Add new arg -- LINE.

* NEWS: Support displaying lyrics in a dedicated buffer, to highlight
playing lyric.

Thanks to Fang Lungang for the initial patch.

1 files changed, 1 insertions, 0 deletions

diff --git a/NEWS b/NEWS
index 545bf9c..86f6971 100644
--- a/NEWS
+++ b/NEWS
@@ -4,6 +4,7 @@ News since version 3.0:
   - emms-player-mplayer: Remove code for loading movie subtitles
     automatically by emms, since mplayer has an option
     (`sub-fuzziness') controlling that.
+  - Support displaying lyrics in a dedicated buffer, to highlight playing lyric. 
 
 News since version 2.1: