diff --git a/calcit.cirru b/calcit.cirru
index b944fd6..f996eaf 100644
--- a/calcit.cirru
+++ b/calcit.cirru
@@ -1113,7 +1113,10 @@
                                           |T $ {} (:type :leaf) (:by |rJG4IHzWf) (:at 1646493878817) (:text |hljs)
                                           |h $ {} (:type :leaf) (:by |rJG4IHzWf) (:at 1646493819896) (:text |code)
                                           |D $ {} (:type :leaf) (:by |rJG4IHzWf) (:at 1646494093763) (:text |.!highlightAuto)
-                                          |l $ {} (:type :leaf) (:by |rJG4IHzWf) (:at 1646494161183) (:text |lang)
+                                          |l $ {} (:type :expr) (:by |rJG4IHzWf) (:at 1648712633823)
+                                            :data $ {}
+                                              |T $ {} (:type :leaf) (:by |rJG4IHzWf) (:at 1646494161183) (:text |lang)
+                                              |D $ {} (:type :leaf) (:by |rJG4IHzWf) (:at 1648712636605) (:text |js-array)
                       |e $ {} (:type :expr) (:by |rJG4IHzWf) (:at 1646492231134)
                         :data $ {}
                           |T $ {} (:type :leaf) (:by |rJG4IHzWf) (:at 1646492232743) (:text |:breaks)
@@ -1830,6 +1833,11 @@
                     |v $ {} (:type :expr) (:by |root) (:at 1507399680857)
                       :data $ {}
                         |j $ {} (:type :leaf) (:by |root) (:at 1518156292092) (:text |listen-devtools!)
+                |zP $ {} (:type :expr) (:by |rJG4IHzWf) (:at 1646494001394)
+                  :data $ {}
+                    |T $ {} (:type :leaf) (:by |rJG4IHzWf) (:at 1648712651808) (:text "|\"highlight.js/lib/languages/rust")
+                    |b $ {} (:type :leaf) (:by |rJG4IHzWf) (:at 1646494001394) (:text |:default)
+                    |h $ {} (:type :leaf) (:by |rJG4IHzWf) (:at 1648712653714) (:text |rust-lang)
                 |yr $ {} (:type :expr) (:by |root) (:at 1507399683930)
                   :data $ {}
                     |j $ {} (:type :leaf) (:by |root) (:at 1507399687162) (:text |reel.core)
@@ -1957,6 +1965,12 @@
                   |b $ {} (:type :leaf) (:by |rJG4IHzWf) (:at 1646494015483) (:text "|\"bash")
                   |h $ {} (:type :leaf) (:by |rJG4IHzWf) (:at 1646494015483) (:text |bash-lang)
                   |D $ {} (:type :leaf) (:by |rJG4IHzWf) (:at 1646494029494) (:text |.!registerLanguage)
+              |sj $ {} (:type :expr) (:by |rJG4IHzWf) (:at 1646494015483)
+                :data $ {}
+                  |T $ {} (:type :leaf) (:by |rJG4IHzWf) (:at 1646494026927) (:text |hljs)
+                  |b $ {} (:type :leaf) (:by |rJG4IHzWf) (:at 1648712660426) (:text "|\"rust")
+                  |h $ {} (:type :leaf) (:by |rJG4IHzWf) (:at 1648712658907) (:text |rust-lang)
+                  |D $ {} (:type :leaf) (:by |rJG4IHzWf) (:at 1646494029494) (:text |.!registerLanguage)
               |yD $ {} (:type :expr) (:by |root) (:at 1507461684494)
                 :data $ {}
                   |T $ {} (:type :leaf) (:by |root) (:at 1507461739167) (:text |listen-devtools!)
@@ -2191,5 +2205,5 @@
           :data $ {}
   :configs $ {} (:port 6001) (:storage-key |calcit.cirru) (:init-fn |docs-workflow.main/main!) (:reload-fn |docs-workflow.main/reload!)
     :modules $ [] |respo.calcit/ |lilac/ |memof/ |respo-ui.calcit/ |respo-markdown.calcit/ |reel.calcit/ |respo-router.calcit/ |alerts.calcit/
-    :version |0.0.2
+    :version |0.0.3
   :entries $ {}
diff --git a/compact.cirru b/compact.cirru
index 805a780..6de69a2 100644
--- a/compact.cirru
+++ b/compact.cirru
@@ -2,7 +2,7 @@
 {} (:package |docs-workflow)
   :configs $ {} (:init-fn |docs-workflow.main/main!) (:reload-fn |docs-workflow.main/reload!)
     :modules $ [] |respo.calcit/ |lilac/ |memof/ |respo-ui.calcit/ |respo-markdown.calcit/ |reel.calcit/ |respo-router.calcit/ |alerts.calcit/
-    :version |0.0.2
+    :version |0.0.3
   :entries $ {}
   :files $ {}
     |docs-workflow.comp.container $ {}
@@ -151,7 +151,7 @@
             js-object (:html false) (:breaks true)
               :highlight $ fn (code lang)
                 if (= lang "\"cirru") (color/generate code)
-                  .-value $ .!highlightAuto hljs code lang
+                  .-value $ .!highlightAuto hljs code (js-array lang)
         |comp-page-entries $ quote
           defcomp comp-page-entries (selected parent-path entries on-select)
             div
@@ -270,6 +270,7 @@
           "\"highlight.js" :default hljs
           "\"highlight.js/lib/languages/bash" :default bash-lang
           "\"highlight.js/lib/languages/clojure" :default clojure-lang
+          "\"highlight.js/lib/languages/rust" :default rust-lang
       :defs $ {}
         |render-app! $ quote
           defn render-app! () $ render! mount-target (comp-container @*reel schema/docs) dispatch!
@@ -282,7 +283,7 @@
         |*reel $ quote
           defatom *reel $ -> reel-schema/reel (assoc :base schema/store) (assoc :store schema/store)
         |main! $ quote
-          defn main! () (.!registerLanguage hljs "\"clojure" clojure-lang) (.!registerLanguage hljs "\"bash" bash-lang)
+          defn main! () (.!registerLanguage hljs "\"clojure" clojure-lang) (.!registerLanguage hljs "\"bash" bash-lang) (.!registerLanguage hljs "\"rust" rust-lang)
             println "\"Running mode:" $ if config/dev? "\"dev" "\"release"
             if config/dev? $ load-console-formatter!
             render-app!
diff --git a/docs/guide.md b/docs/guide.md
index fbbb5ad..fea84d3 100644
--- a/docs/guide.md
+++ b/docs/guide.md
@@ -11,3 +11,13 @@ println "|a demo of code"
 defn f1 ()
   + 1 2 4
 ```
+
+```clojure
+(+ 1 2)
+```
+
+```rust
+fn main() -> i64 {
+  1
+}
+```
diff --git a/package.json b/package.json
index f455c15..2d4db58 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "0.0.2",
+  "version": "0.0.3",
   "dependencies": {
     "@calcit/procs": "^0.5.28"
   },