Created attachment 7964 UI Improvements The attached patch improves the preferences dialog by applying the standard 6/12/18 measurements. As seen in the attached screenshot, this is a very minor change.
Created attachment 7965 Screenshots Left: Before Right: After
Sean Davis referenced this bugreport in commit 2d3801f908bd3e1e7ed99da48c5fc6fe889154e4 Improve spacing (Bug #14684) https://git.xfce.org/panel-plugins/xfce4-xkb-plugin/commit?id=2d3801f908bd3e1e7ed99da48c5fc6fe889154e4
Patch applied above.