Fix up links to other wiki-doc pages, and reduce the following depth to improve load times.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4631 ed5197a5-7fde-0310-b194-c3ffbd925b24

apps/wiki/tf-wiki-doc.js

@@ -5,6 +5,7 @@ class TfWikiDocElement extends LitElement {
 	static get properties() {
 		return {
 			whoami: {type: String},
+			wiki: {type: String},
 			value: {type: Object},
 			blob: {type: String},
 			blob_original: {type: String},
@@ -21,6 +22,19 @@ class TfWikiDocElement extends LitElement {
 		var reader = new commonmark.Parser({safe: true});
 		var writer = new commonmark.HtmlRenderer();
 		var parsed = reader.parse(md || '');
+		let walker = parsed.walker();
+		let event;
+		while ((event = walker.next())) {
+			let node = event.node;
+			if (event.entering) {
+				if (node.type === 'link') {
+					if (node.destination.indexOf(':') == -1 &&
+						node.destination.indexOf('/') == -1) {
+						node.destination = `#${this.wiki?.name}/${node.destination}`;
+					}
+				}
+			}
+		}
 		return writer.render(parsed);
 	}