Using css :not() inside hx-trigger target: selector with parentheses is a syntax error.

Using a css `:not()` selector inside of an `hx-trigger="click target:( ... )"` should be valid. The following example causes a generic `htmx:syntax:error` with no explanation:

`hx-trigger="click target:(td:not(.no-click) *)"`

Using `{}` has the same error. My guess is incorrect parentheses parsing.