Clipboard dialog indicates that it is empty when it isn't fully empty
xfce4-clipman-plugin 1.6.2
Steps to reproduce this issue:
1. `xfce4-panel -r` (or: activate the "Clear history" menu item)
2. `echo -n "1.2.4" | xclip -i`
3. Left-click the clipboard icon in the Xfce panel
Screenshot of the result:
Expected result:
- There should be no "Clipboard is empty" menu item
- The "Clear history" button shouldn't be disabled
issue