lyx2lyx/lyx_2_2.py: set correct default color

diff --git a/lib/lyx2lyx/lyx_2_2.py b/lib/lyx2lyx/lyx_2_2.py
index 4d2722fc23465da2fa5b226bfd829fd3b89469cf..3a10566757a17943004afb5a6cda19eb89f6da43 100644 (file)
--- a/lib/lyx2lyx/lyx_2_2.py
+++ b/lib/lyx2lyx/lyx_2_2.py
@@ -1096,7 +1096,7 @@ def revert_colorbox(document):
 
     i = 0
     defaultframecolor = "black"
-    defaultbackcolor = "white"
+    defaultbackcolor = "none"
     while True:
         i = find_token(document.body, "framecolor", i)
         if i == -1: