src/MxList.hs: use an explicit export list.

diff --git a/src/MxList.hs b/src/MxList.hs
index ce0e6490c3bd2d64c26beff26574151cc5d31e67..e31e7f4be8ab655dcecfbc7052948a2b7497ed62 100644 (file)
--- a/src/MxList.hs
+++ b/src/MxList.hs
@@ -5,7 +5,8 @@
 --   instance of Configured for [String] if we had defined one in
 --   e.g. 'OptionalConfiguration'.
 --
-module MxList
+module MxList (
+  MxList(..) )
 where
 
 -- DC is needed only for the DCT.Configured instance of String.