Merge branch 'v0.20.x'

2018-10-22 18:19:04 +02:00
parent e28d1e0f65 db27bb76e2
commit 66ab2de578
22 changed files with 319 additions and 375 deletions
--- a/doc/protocol.rst
+++ b/doc/protocol.rst
@@ -732,6 +732,10 @@ The music database
     count group artist
     count title Echoes group artist

+    A group with an empty value contains counts of matching song which
+    don't this group tag.  It exists only if at least one such song is
+    found.
+
 .. _command_find:

 :command:`find {FILTER} [sort {TYPE}] [window {START:END}]`