Created attachment 7936
The attached patch improves the preferences dialog for xfce4-datetime-plugin.
The standard 6/12/18 rules are applied to the dialog to make it feel more consistent with the rest of the desktop. There are no changes to the functionality of the plugin.
Sean Davis referenced this bugreport in commit 13a20a150d19ce30a8a31ccc397baeefe3b26f74
Spacing improvements (bug #14662)
Applied with the above commit.