Separate chunks of lyrics with a double newline

CHANGELOG.md

@@ -1,5 +1,6 @@
 # ncmpcpp-0.10 (????-??-??)
 * Add the configuration option `mpd_password`.
+* Separate chunks of lyrics with a double newline.
 
 # ncmpcpp-0.9.2 (2021-01-24)
 * Revert suppression of output of all external commands as that makes e.g album

src/lyrics_fetcher.cpp

@@ -102,7 +102,11 @@ LyricsFetcher::Result LyricsFetcher::fetch(const std::string &artist,
 	{
 		postProcess(*it);
 		if (!it->empty())
+		{
 			data += *it;
+			if (it != lyrics.end() - 1)
+				data += "\n\n";
+		}
 	}
 	
 	result.second = data;