From 54cc1e4c8d955fc97f456df128ef5607f0732fd6 Mon Sep 17 00:00:00 2001
From: Laurent Monin <github@norz.org>
Date: Wed, 28 May 2014 20:39:05 +0200
Subject: [PATCH] CaaCoverArtImage: describe `thumbnail` and `is_thumbnail`

---
 picard/coverartimage.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/picard/coverartimage.py b/picard/coverartimage.py
index 7c4715ed1..454c6abdb 100644
--- a/picard/coverartimage.py
+++ b/picard/coverartimage.py
@@ -324,7 +324,9 @@ class CaaCoverArtImage(CoverArtImage):
         CoverArtImage.__init__(self, url=url, types=types, comment=comment,
                                data=data)
         self.is_front = is_front
+        # thumbnail is used to link to another CaaCoverArtImage, ie. for PDFs
         self.thumbnail = None
+        # is_thumbnail set to True prevents the image to be added to metadata
         self.is_thumbnail = False
 
 class TagCoverArtImage(CoverArtImage):