Escape the five predefined entities to display them as text.

extension/main.js

@@ -12,10 +12,7 @@ function setup() {
         var suggestResults = [];
         for (var i = 0; i < searchResults.length; i++) {
             var result = searchResults[i];
-            suggestResults.push({
-                content: result.href,
-                description: buildDescription(result)
-            })
+            suggestResults.push(buildSuggestResultItem(result));
         }
 
         if (suggestResults.length === 0) {
@@ -24,7 +21,7 @@ function setup() {
                     content: "https://doc.rust-lang.org/stable/std/?search=" + query,
                     description: "Sorry, no Rust official documentation result about <match>" + query
                     + "</match> found, click here to search on <dim>doc.rust-lang.org</dim>"
-                }
+                },
             ]
         }
 
@@ -46,10 +43,24 @@ function navigateToUrl(url) {
     });
 }
 
-function buildDescription(item) {
-    if (item) {
-        return item.displayPath + "<match>" + item.name + "</match>" + "  <dim>" + item.desc + "</dim>";
-    } else {
-        return "";
+// Escape the five predefined entities to display them as text.
+function escape(text) {
+    text = text || "";
+    return text
+        .replace(/&/g, "&amp;")
+        .replace(/</g, "&lt;")
+        .replace(/>/g, "&gt;")
+        .replace(/"/g, "&quot;")
+        .replace(/'/g, "&#039;");
+}
+
+function buildSuggestResultItem(item) {
+    var description = item.displayPath + "<match>" + item.name + "</match>";
+    if (item.desc) {
+        description += "    <dim>" + escape(item.desc) + "</dim>";
+    }
+    return {
+        content: item.href,
+        description: description,
     }
 }

extension/search.js

@@ -84,8 +84,7 @@ function buildIndex(rawSearchIndex) {
         var paths = rawSearchIndex[crate].paths;
 
         // convert `paths` into an object form
-        var len = paths.length;
-        for (var i = 0; i < len; ++i) {
+        for (var i = 0; i < paths.length; ++i) {
             paths[i] = {ty: paths[i][0], name: paths[i][1]};
         }
 
@@ -250,7 +249,6 @@ function execQuery(query) {
     var contains = paths.slice(0, paths.length > 1 ? paths.length - 1 : 1);
 
     for (j = 0; j < nSearchWords; ++j) {
-        var lev_distance;
         var ty = searchIndex[j];
         if (!ty) {
             continue;
@@ -270,8 +268,7 @@ function execQuery(query) {
         var lev = MAX_LEV_DISTANCE + 1;
         var fullId = generateId(ty);
 
-        if (/*searchWords[j].indexOf(split[i]) > -1 ||*/
-            searchWords[j].indexOf(val) > -1 ||
+        if (searchWords[j].indexOf(val) > -1 ||
             searchWords[j].replace(/_/g, "").indexOf(val) > -1) {
             // filter type: ... queries
             if (typePassesFilter(typeFilter, ty.ty) && results[fullId] === undefined) {
@@ -342,11 +339,6 @@ function sortResults(results) {
             return a - b;
         }
 
-        // sort by crate (non-current crate goes later)
-        // a = (aaa.item.crate !== window.currentCrate);
-        // b = (bbb.item.crate !== window.currentCrate);
-        // if (a !== b) { return a - b; }
-
         // sort by exact match (mismatch goes later)
         a = (aaa.word !== valLower);
         b = (bbb.word !== valLower);
@@ -427,8 +419,7 @@ function sortResults(results) {
             path = result.item.path.toLowerCase(),
             parent = result.item.parent;
 
-        if (/* isType !== true &&*/
-            validateResult(name, path, split, parent) === false) {
+        if (validateResult(name, path, split, parent) === false) {
             result.id = -1;
         }
     }