public static String describeId3v2Support(Property p) {
        String supp="";
        for(Id3v2FrameConfig cfg : id3v2Fields) {
            if(cfg.frameProperty == p) {
                if(supp.length()>0)
                    supp += ", ";
                supp += cfg.frameID + (cfg.versionMatch.equals("*")?"":" (" + cfg.versionMatch+")");
            }
        }
        return supp.length()>0?supp:"n/a";
    }