Diagram inconsistencies

[lurch]

Looking at the "green boxes" diagram at https://gpiozero.readthedocs.io/en/stable/api_boards.html#base-classes should TonalBuzzer be shown as "containing" a PWMOutputDevice? (i.e. just like Servo).

Also, the "blue boxes" diagram at https://gpiozero.readthedocs.io/en/stable/api_output.html#base-classes doesn't show LedBorg whereas https://gpiozero.readthedocs.io/en/v1.4.1/api_output.html#base-classes shows it inheriting from RGBLED.

The "blue boxes" diagram at https://gpiozero.readthedocs.io/en/stable/api_output.html#base-classes shows both Servo and TonalBuzzer inheriting from CompositeDevice, while the "blue boxes" diagram at https://gpiozero.readthedocs.io/en/stable/api_boards.html#base-classes shows TonalBuzzer inheriting from CompositeDevice but doesn't show Servo?