[cl217]
No adjustment action should result in the mixing of leaf <div>s and non-leaf <div>s.
<div>
Affects: @new<reassign> <rename> <adjustments> <to>
@new
<reassign>
<rename>
<adjustments>
<to>
Used by template ŧ strip-divs-to-reset.
ŧ strip-divs-to-reset