Quando eu seleciono //*[@id="ember38"] em discussion.fedoraproject.org/t/173585/35:
<button class="btn no-text btn-icon fk-d-menu__trigger bookmark-menu-trigger post-action-menu__bookmark btn-flat bookmark widget-button bookmark-menu__trigger btn-icon no-text" aria-expanded="false" title="bookmark this post" data-identifier="bookmark-menu" data-trigger="" type="button" id="ember38"> <svg class="fa d-icon d-icon-bookmark svg-icon svg-string" aria-hidden="true" xmlns="http://www.w3.org/2000/svg"><use href="#bookmark"></use></svg> <span aria-hidden="true"> </span> <!-- --> </button>
…Eu vejo:
Ocorreu um erro: Você não tem permissão para visualizar o recurso solicitado.
O console ECMAScript retorna:
12:24:12.798 XHRPOST https://discussion.fedoraproject.org/bookmarks.json [HTTP/2 403 160ms] 12:24:04.683 Uncaught (in promise) TypeError: can't access property "saveData", e is undefined create bookmark-api.js:20 create post-bookmark-manager.js:36 onBookmark bookmark-menu.gjs:124 onShowMenu bookmark-menu.gjs:147 show float-kit-instance.js:28 show d-menu-instance.js:101 onTrigger d-menu-instance.js:136 onClick d-menu-instance.js:120 bookmark-api.js:20:7
Em vez disso, ele deveria estar oculto ou (talvez, melhor ainda) desabilitado.