I created a new button called "Add Tag". This is because I have chosen to suppress the footer which unfortunately obscures the way to do page tagging.
By adding a new button, which shows up for every user, how to tag should be pretty obvious.
Problem is: How do I amend the addButton code so that it will actually add the tag? Creating the button was easy: I used the following code from the widget library to get the button to appear:
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