let conf_cue_out_metadata =
Conf.string ~p:(conf_playlists#plug "cue_out_metadata") ~d:"liq_cue_out"
"Cue out metadata for playlists with track index."
~comments:["Some playlists format, such as CUE files specify index points to start";
"tracks playback. In this case, tracks are resolved to a annotate: request with";
"a cue-in metadata containing the index. If you want to make use of this index,";
"you should specify here what label you want for this metadata and use the cue_cut";
"operator on the resulting source"]