That part about the frame deleted reflow command being a list was a

bit overzealous. It can't be. Maybe at some point we'll have an
argument that specifies the number of frames to delete

layout/base/public/nsIReflowCommand.h

@@ -99,14 +99,9 @@ public:
 
     /**
      * Reflow command generated by the style system in response to a
-     * ContentRemoved content notification. The "child frame" is a linked list
-     * of frames associated with the content that has been removed. Note that
-     * there can be more than one frame in which case they're adjacent siblings.
-     *
-     * The target frame should remove and delete each of the frames.
-     *
-     * The target frame is the content parent of the child frames to be
-     * deleted.
+     * ContentRemoved content notification. The "child frame" is the frame
+     * associated with the content that has been removed. The target frame
+     * is the content parent of the "child frame".
      *
      * @see #GetTarget()
      * @see #GetChildFrame()