Give some feedback about encrypted wiki pages.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4658 ed5197a5-7fde-0310-b194-c3ffbd925b24

apps/wiki/tf-wiki-doc.js

@@ -179,7 +179,8 @@ class TfWikiDocElement extends LitElement {
 				<button ?disabled=${!this.is_editing} @click=${this.on_discard}>Discard</button>
 				<button ?disabled=${!this.is_editing} @click=${() => self.value = Object.assign({}, self.value, {private: !self.value.private})}>${this.value?.private ? 'Make Public' : 'Make Private'}</button>
 			</div>
-			<div style="display: flex; flex-direction: row">
+			<div ?hidden=${!this.value?.private} style="color: #800">document is private</div>
+			<div style="display: flex; flex-direction: row; ${this.value?.private ? 'border-top: 4px solid #800' : ''}">
 				<textarea
 					?hidden=${!this.is_editing}
 					style="flex: 1 1; min-height: 10em; ${this.value?.private ? 'border: 4px solid #800' : ''}"