* This changes the constraint to be on the <emphasis>lower</emphasis> child of
* O2, which is A. The key window is still D; so A would then be three rows high
* as measured in D's font, and D would get the rest of O2's space. That may not
* be what you want. To set A to be three rows high as measured in A's font, you
* would do
* This changes the constraint to be on the <emphasis>lower</emphasis> child of
* O2, which is A. The key window is still D; so A would then be three rows high
* as measured in D's font, and D would get the rest of O2's space. That may not
* be what you want. To set A to be three rows high as measured in A's font, you
* would do