diff --git a/src/wasm/mod.rs b/src/wasm/mod.rs
index ed985d63..66907655 100644
--- a/src/wasm/mod.rs
+++ b/src/wasm/mod.rs
@@ -62,6 +62,7 @@ mod underline;
 mod verbatim;
 mod verse_block;
 
+pub use ast_node::WasmAstNode;
 pub use document::WasmDocument;
 pub use parse_result::wasm_parse_org;
 pub use parse_result::ParseResult;
diff --git a/src/wasm_test/compare.rs b/src/wasm_test/compare.rs
index aaca9669..82365b64 100644
--- a/src/wasm_test/compare.rs
+++ b/src/wasm_test/compare.rs
@@ -1,12 +1,15 @@
 use std::borrow::Cow;
 
 use crate::compare::Token;
+use crate::wasm::WasmAstNode;
 use crate::wasm::WasmDocument;
 
 pub fn wasm_compare_document<'b, 's>(
+    source: &'s str,
     emacs: &'b Token<'s>,
-    wasm: &'b WasmDocument<'s>,
+    wasm: WasmDocument<'s>,
 ) -> Result<WasmDiffEntry<'b, 's>, Box<dyn std::error::Error>> {
+    // wasm_compare_ast_node(
     todo!()
 }
 
@@ -81,3 +84,79 @@ impl<'b, 's> WasmDiffEntry<'b, 's> {
         // }
     }
 }
+
+fn wasm_compare_ast_node<'b, 's>(
+    source: &'s str,
+    emacs: &'b Token<'s>,
+    wasm: WasmAstNode<'s>,
+) -> Result<WasmDiffEntry<'b, 's>, Box<dyn std::error::Error>> {
+    match wasm {
+        WasmAstNode::Document(_) => todo!(),
+        WasmAstNode::Headline(_) => todo!(),
+        WasmAstNode::Section(_) => todo!(),
+        WasmAstNode::Paragraph(_) => todo!(),
+        WasmAstNode::PlainList(_) => todo!(),
+        WasmAstNode::PlainListItem(_) => todo!(),
+        WasmAstNode::CenterBlock(_) => todo!(),
+        WasmAstNode::QuoteBlock(_) => todo!(),
+        WasmAstNode::SpecialBlock(_) => todo!(),
+        WasmAstNode::DynamicBlock(_) => todo!(),
+        WasmAstNode::FootnoteDefinition(_) => todo!(),
+        WasmAstNode::Comment(_) => todo!(),
+        WasmAstNode::Drawer(_) => todo!(),
+        WasmAstNode::PropertyDrawer(_) => todo!(),
+        WasmAstNode::NodeProperty(_) => todo!(),
+        WasmAstNode::Table(_) => todo!(),
+        WasmAstNode::TableRow(_) => todo!(),
+        WasmAstNode::VerseBlock(_) => todo!(),
+        WasmAstNode::CommentBlock(_) => todo!(),
+        WasmAstNode::ExampleBlock(_) => todo!(),
+        WasmAstNode::ExportBlock(_) => todo!(),
+        WasmAstNode::SrcBlock(_) => todo!(),
+        WasmAstNode::Clock(_) => todo!(),
+        WasmAstNode::DiarySexp(_) => todo!(),
+        WasmAstNode::Planning(_) => todo!(),
+        WasmAstNode::FixedWidthArea(_) => todo!(),
+        WasmAstNode::HorizontalRule(_) => todo!(),
+        WasmAstNode::Keyword(_) => todo!(),
+        WasmAstNode::BabelCall(_) => todo!(),
+        WasmAstNode::LatexEnvironment(_) => todo!(),
+        WasmAstNode::Bold(_) => todo!(),
+        WasmAstNode::Italic(_) => todo!(),
+        WasmAstNode::Underline(_) => todo!(),
+        WasmAstNode::StrikeThrough(_) => todo!(),
+        WasmAstNode::Code(_) => todo!(),
+        WasmAstNode::Verbatim(_) => todo!(),
+        WasmAstNode::PlainText(_) => todo!(),
+        WasmAstNode::RegularLink(_) => todo!(),
+        WasmAstNode::RadioLink(_) => todo!(),
+        WasmAstNode::RadioTarget(_) => todo!(),
+        WasmAstNode::PlainLink(_) => todo!(),
+        WasmAstNode::AngleLink(_) => todo!(),
+        WasmAstNode::OrgMacro(_) => todo!(),
+        WasmAstNode::Entity(_) => todo!(),
+        WasmAstNode::LatexFragment(_) => todo!(),
+        WasmAstNode::ExportSnippet(_) => todo!(),
+        WasmAstNode::FootnoteReference(_) => todo!(),
+        WasmAstNode::Citation(_) => todo!(),
+        WasmAstNode::CitationReference(_) => todo!(),
+        WasmAstNode::InlineBabelCall(_) => todo!(),
+        WasmAstNode::InlineSourceBlock(_) => todo!(),
+        WasmAstNode::LineBreak(_) => todo!(),
+        WasmAstNode::Target(_) => todo!(),
+        WasmAstNode::StatisticsCookie(_) => todo!(),
+        WasmAstNode::Subscript(_) => todo!(),
+        WasmAstNode::Superscript(_) => todo!(),
+        WasmAstNode::TableCell(_) => todo!(),
+        WasmAstNode::Timestamp(_) => todo!(),
+    }
+    todo!()
+}
+
+fn impl_wasm_compare_document<'b, 's>(
+    source: &'s str,
+    emacs: &'b Token<'s>,
+    wasm: WasmDocument<'s>,
+) -> Result<WasmDiffEntry<'b, 's>, Box<dyn std::error::Error>> {
+    todo!()
+}
diff --git a/src/wasm_test/runner.rs b/src/wasm_test/runner.rs
index c5664a8e..05c8d2a8 100644
--- a/src/wasm_test/runner.rs
+++ b/src/wasm_test/runner.rs
@@ -42,7 +42,7 @@ pub async fn wasm_run_anonymous_compare_with_settings<'g, 's, P: AsRef<str>>(
     }
 
     // We do the diffing after printing out both parsed forms in case the diffing panics
-    let diff_result = wasm_compare_document(&parsed_sexp, &wasm_parsed)?;
+    let diff_result = wasm_compare_document(org_contents, &parsed_sexp, wasm_parsed)?;
     if !silent {
         diff_result.print(org_contents)?;
     }