auto merge of #13895 : adrientetar/rust/js-escape, r=alexcrichton

See #13884 for the details. Closes #13884.

r? @alexcrichton

Author: bors

src/librustdoc/html/static/main.js

@@ -386,12 +386,16 @@
             });
         }
 
+        function escape(content) {
+            return $('<h1/>').text(content).html();
+        }
+
         function showResults(results) {
             var output, shown, query = getQuery();
 
             currentResults = query.id;
-            output = '<h1>Results for ' + query.query +
-                    (query.type ? ' (type: ' + query.type + ')' : '') + '</h1>';
+            output = '<h1>Results for ' + escape(query.query) +
+                (query.type ? ' (type: ' + escape(query.type) + ')' : '') + '</h1>';
             output += '<table class="search-results">';
 
             if (results.length > 0) {
@@ -650,4 +654,3 @@
 
     window.initSearch = initSearch;
 }());
-