* Use jquery-ui's autocomplete module instead of typeahead

* Enable support for multiple tag autocomplete

app/assets/javascripts/wiki_pages.js

@@ -3,17 +3,32 @@
 
   Danbooru.WikiPage.initialize_all = function() {
     if ($("#c-wiki-pages").length) {
-      if (Danbooru.meta("enable-auto-complete") === "true") {
-        $("#quick_search_title,#wiki_page_title").typeahead({
-          name: "wiki_pages",
-          remote: "/wiki_pages.json?search[title]=*%QUERY*",
-          limit: 10,
-          valueKey: "title",
-          template: function(context) {
-            return "<p>" + context.title.replace(/_/g, " ") + "</p>";
-          }
-        });
-      }
+      this.initialize_typeahead();
+    }
+  }
+
+  Danbooru.WikiPage.initialize_typeahead = function() {
+    if (Danbooru.meta("enable-auto-complete") === "true") {
+      $("#quick_search_title,#wiki_page_title").autocomplete({
+        source: function(req, resp) {
+          $.ajax({
+            url: "/wiki_pages.json",
+            data: {
+              "search[title]": "*" + req.term + "*"
+            },
+            method: "get",
+            minLength: 2,
+            success: function(data) {
+              resp($.map(data, function(tag) {
+                return {
+                  label: tag.title.replace(/_/g, " "),
+                  value: tag.title
+                };
+              }));
+            }
+          });
+        }
+      });
     }
   }
 })();