repeat is a reserved lua keyword

Provide playlist._repeat() instead (and keep the old .repeat in case
anybody was using playlist["repeat"] to workaround the reserved keyword
issue).

modules/misc/lua/libs/playlist.c

@@ -432,7 +432,8 @@ static const luaL_Reg vlclua_playlist_reg[] = {
     { "pause", vlclua_playlist_pause },
     { "stop", vlclua_playlist_stop },
     { "clear", vlclua_playlist_clear },
-    { "repeat", vlclua_playlist_repeat },
+    { "repeat", vlclua_playlist_repeat }, // repeat is a reserved lua keyword...
+    { "repeat_", vlclua_playlist_repeat }, // ... provide repeat_ too.
     { "loop", vlclua_playlist_loop },
     { "random", vlclua_playlist_random },
     { "goto", vlclua_playlist_goto },

share/lua/README.txt

@@ -192,7 +192,7 @@ playlist.play(): Play.
 playlist.pause(): Pause.
 playlist.stop(): Stop.
 playlist.clear(): Clear the playlist.
-playlist.repeat( [status] ): Toggle item repeat or set to specified value.
+playlist.repeat_( [status] ): Toggle item repeat or set to specified value.
 playlist.loop( [status] ): Toggle playlist loop or set to specified value.
 playlist.random( [status] ): Toggle playlsit random or set to specified value.
 playlist.goto( id ): Go to specified track.