Another index I've wanted, and better error display for queries in the ssb app.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4403 ed5197a5-7fde-0310-b194-c3ffbd925b24

apps/ssb/tf-tab-query.js

@@ -86,7 +86,10 @@ class TfTabQueryElement extends LitElement {
 	}
 
 	render_error() {
-		return html`<pre>${JSON.stringify(this.error, null, 2)}</pre>`;
+		if (this.error) {
+			return html`<h2 style="color: red">${this.error.message}</h2>
+				<pre style="color: red">${this.error.stack}</pre>`;
+		}
 	}
 
 	render() {