Element Context Rules on Master Pages (Structured FM 2022)
We have a master page with a listing of the icons used in a manual and what each icon means, e.g.

In the top-level Element for the book (TrainingManual), we have an Attribute that specified which product the manual relates to. Depending on this Attribute value, the icons on the above Master Page changes.
There are context rules against the Element used to insert the images. However, these aren't changing on the master page. If they are added on a Body Page, the correct image is shown.
Do Context Rules against an Element not apply to Master Pages but only to Body Pages?
