Possible bug fix for clipboard sync and handling.

config/settings/settings.conf

@@ -271,6 +271,7 @@ clipboard_export_path=/tmp/fenrirClipboard
 # Keep Fenrir's clipboard history and the X clipboard synchronized.
 # In fenrir -x, an empty sync_display uses the current DISPLAY.
 # In console/TTY mode, set sync_display explicitly, for example :0.
+# Manual graphical clipboard import/export also use sync_display when set.
 sync_enabled=False
 sync_display=
 sync_interval=0.5