show headings in refs

main.typ

@@ -43,6 +43,18 @@
   },
 ))
 
+#show ref: it => context {
+  let el = it.element
+  if el != none and el.func() == heading {
+    link(
+      it.target,
+      [#el.supplement #counter(el.func()).display(auto, at: it.target) #el.body],
+    )
+  } else {
+    it
+  }
+}
+
 #{
   doc("index.html", include "content/index.typ")
   doc("core.html", include "content/core.typ")