bindScrollForHints = (action) => {
        const f = self.scroll.bind(self, action);
        // indicate that the key bound with this function is a key to scroll page and can be used to scroll in Hints mode.
        f.isSKScrollInHints = true;
        return f;
    }
Jump to a vim-like mark.

@param {string} mark a vim-like mark.
@name Normal.jumpVIMark