ميدياويكي:Group-templateeditor.css

/* Show hidden items that have class="templateeditor-show". */
div.templateeditor-show,
p.templateeditor-show {
  display: block !important;
}
span.templateeditor-show,
small.templateeditor-show {
  display: inline !important;
}
table.templateeditor-show {
  display: table !important;
}
li.templateeditor-show {
  display: list-item !important;
}