The ui file here was invalid, leading to nonsensical
results.
window.background:dir(ltr)
decoration:dir(ltr)
grid.horizontal:dir(ltr)
+ label:dir(ltr) name|sibling-name|parent-name|parent-sibling-name
+ box.horizontal:dir(ltr)
label:dir(ltr) name|sibling-name|parent-name|parent-sibling-name
button:dir(ltr)
box.horizontal:dir(ltr)
</child>
<child>
<object class="GtkBox"/>
+ </child>
+ <child>
<object class="GtkLabel"/>
+ </child>
+ <child>
<object class="GtkButton">
<child>
<object class="GtkBox">