diff --git a/doerg/doerg-tex/.gitignore b/doerg/doerg-tex/.gitignore
new file mode 100644
index 0000000..d366d2e
--- /dev/null
+++ b/doerg/doerg-tex/.gitignore
@@ -0,0 +1 @@
+classes
\ No newline at end of file
diff --git a/doerg/doerg-tex/compile.clj b/doerg/doerg-tex/compile.clj
new file mode 100644
index 0000000..13f96d1
--- /dev/null
+++ b/doerg/doerg-tex/compile.clj
@@ -0,0 +1,2 @@
+(compile 'serialise)
+(compile 'deserialise)
diff --git a/doerg/doerg-tex/deps.edn b/doerg/doerg-tex/deps.edn
new file mode 100644
index 0000000..65b9cb6
--- /dev/null
+++ b/doerg/doerg-tex/deps.edn
@@ -0,0 +1,6 @@
+{:deps {babashka/fs {:mvn/version "0.5.24"}
+        cheshire/cheshire {:mvn/version "6.1.0"}
+        com.rpl/specter {:mvn/version "1.1.6"}
+        mvxcvi/clj-cbor {:mvn/version "1.1.1"}
+        babashka/process {:mvn/version "0.6.25"}}
+ :paths ["." "classes"]}
diff --git a/doerg/doerg-tex/deserialise.clj b/doerg/doerg-tex/deserialise.clj
new file mode 100644
index 0000000..e3be265
--- /dev/null
+++ b/doerg/doerg-tex/deserialise.clj
@@ -0,0 +1,7 @@
+(ns deserialise
+  (:require [clj-cbor.core :as cbor]
+            [clojure.string :as str])
+  (:gen-class))
+
+(defn -main []
+  (prn (cbor/decode cbor/default-codec System/in :eof)))
diff --git a/doerg/doerg-tex/serialise.clj b/doerg/doerg-tex/serialise.clj
index 1c8e9dd..207766f 100644
--- a/doerg/doerg-tex/serialise.clj
+++ b/doerg/doerg-tex/serialise.clj
@@ -1,6 +1,7 @@
 (ns serialise
   (:require [clj-cbor.core :as cbor]
-            [clojure.string :as str]))
+            [clojure.string :as str])
+  (:gen-class))
 
 (defn w [x]
   (cbor/encode cbor/default-codec System/out x))
@@ -8,9 +9,16 @@
 (defn c [x]
   (->> x cbor/encode (map #(format "%02x" %)) (str/join " ")))
 
+#_
 (w "\\naturalto")
 
-#_#_#_
-(w "c = \\sqrt{a^2 + y^2}")
-(w "c = \\sqrt{a^ + y^2")
-(w "\\alpha^\\beta")
+(defn -main []
+  (w "\\begin{align*}
+x &= y
+\\\\ &= zzz
+\\end{align*}")
+
+  #_#_#_
+  (w "c = \\sqrt{a^2 + y^2}")
+  (w "c = \\sqrt{a^ + y^2")
+  (w "\\alpha^\\beta"))
diff --git a/doerg/src/net/deertopia/doerg/render.clj b/doerg/src/net/deertopia/doerg/render.clj
index b40c7b9..99f29f7 100644
--- a/doerg/src/net/deertopia/doerg/render.clj
+++ b/doerg/src/net/deertopia/doerg/render.clj
@@ -141,8 +141,8 @@
             (prn (count @promises))
             (Thread/sleep (* 1000 1))
             (doseq [{:keys [promise node]} @promises]
-              (try (let [{:keys [value]} node]
-                     (deliver promise (tex/render value)))
+              (try (let [{:keys [value contents]} node]
+                     (deliver promise (tex/render (or contents value))))
                    (catch Throwable e
                      (prn e)
                      (flush))))
@@ -302,14 +302,13 @@
 
 (defmethod org-element "latex-fragment" [{:keys [contents value] :as e}]
   (let [display? (str/starts-with? value "\\[")]
-    [:span.latex-fragment (-> e ::rendered (deref 2000 "«timed out»"))]
+    [:span.latex-fragment
+     (hiccup/raw (-> e ::rendered (deref 2000 "«timed out»")))]
     #_
     [:span.latex-fragment
      (hiccup/raw (tex/render contents :display? display?))]))
 
 (defmethod org-element "latex-environment" [{:keys [value] :as e}]
-  [:span.latex-fragment (-> e ::rendered (deref 2000 "«timed out»"))]
-  #_
   [:span.latex-fragment
    (hiccup/raw (tex/render value :display? true))])
 
diff --git a/doerg/src/net/deertopia/doerg/tex.clj b/doerg/src/net/deertopia/doerg/tex.clj
index a0c5689..42a9c88 100644
--- a/doerg/src/net/deertopia/doerg/tex.clj
+++ b/doerg/src/net/deertopia/doerg/tex.clj
@@ -164,7 +164,7 @@
 (defn tex-worker [& {:keys [preamble]}]
   (p/process
    {:shutdown p/destroy-tree
-    :err :inherit}
+    :err (l/log-stream :info "temml/err")}
    #_"doerg-tex"
    "./doerg-tex/index.js"
    "--preamble"