The HTML plugin returns a false-positive for rule S6793 for the ARIA property aria-haspopup.
The aria-haspopup property allows the following token values: “false, true, menu, listbox, tree, grid, dialog”. But if any value other than true or false is used, the following error is reported: The value of the attribute “aria-haspopup” must be a boolean.
It looks like this line in Aria.java should be changed from AriaPropertyType.BOOLEAN to AriaPropertyType.TOKEN:
You seem to have overlooked the topic template for this category. It asks questions we really need the answers to to be able to deal with a report. Specifically, can you tell us: