diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..2f7896d
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+target/
diff --git a/Cargo.lock b/Cargo.lock
index d430cbb..90a9e32 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -181,7 +181,7 @@ checksum = "377af281d8f23663862a7c84623bc5dcf7f8c44b13c7496a590bdc157f941a43"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.16",
+ "syn 2.0.58",
  "synstructure",
 ]
 
@@ -289,6 +289,7 @@ name = "jotdown"
 version = "0.3.2"
 dependencies = [
  "databake",
+ "serde",
 ]
 
 [[package]]
@@ -405,9 +406,9 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.26"
+version = "1.0.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
+checksum = "291ec9ab5efd934aaf503a6466c5d5251535d108ee747472c3977cc5acc868ef"
 dependencies = [
  "proc-macro2",
 ]
@@ -444,22 +445,22 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.152"
+version = "1.0.197"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb7d1f0d3021d347a83e556fc4683dea2ea09d87bccdf88ff5c12545d89d5efb"
+checksum = "3fb1c873e1b9b056a4dc4c0c198b24c3ffa059243875552b2bd0933b1aee4ce2"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.152"
+version = "1.0.197"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af487d118eecd09402d70a5d72551860e788df87b464af30e5ea6a38c75c541e"
+checksum = "7eb0b34b42edc17f6b7cac84a52a1c5f0e1bb2227e997ca9011ea3dd34e8610b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.107",
+ "syn 2.0.58",
 ]
 
 [[package]]
@@ -486,9 +487,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.16"
+version = "2.0.58"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a6f671d4b5ffdb8eadec19c0ae67fe2639df8684bd7bc4b83d986b8db549cf01"
+checksum = "44cfb93f38070beee36b3fef7d4f5a16f27751d94b187b666a5cc5e9b0d30687"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -503,7 +504,7 @@ checksum = "c8af7666ab7b6390ab78131fb5b0fce11d6b7a6951602017c35fa82800708971"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.16",
+ "syn 2.0.58",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 012cf4e..9f74482 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -46,3 +46,4 @@ parser = []
 
 [dependencies]
 databake = { version = "0.1.7", features = ["derive"] }
+serde = { version = "1.0.197", features = ["derive"] }
diff --git a/bench/criterion/Cargo.toml b/bench/criterion/Cargo.toml
index f54283e..4ab7544 100644
--- a/bench/criterion/Cargo.toml
+++ b/bench/criterion/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2021"
 [dev-dependencies]
 criterion = { version = "0.4", default-features = false }
 bench-input = { path = "../input" }
-jotdown = { path = "../../" }
+jotdown = { path = "../../", features = ["html", "parser"] }
 
 [[bench]]
 name = "criterion"
diff --git a/examples/jotdown_wasm/Cargo.toml b/examples/jotdown_wasm/Cargo.toml
index 3593138..b675931 100644
--- a/examples/jotdown_wasm/Cargo.toml
+++ b/examples/jotdown_wasm/Cargo.toml
@@ -12,7 +12,7 @@ repository = "https://github.com/hellux/jotdown"
 crate-type = ["cdylib"]
 
 [dependencies]
-jotdown = { path = "../../" }
+jotdown = { path = "../../", features = ["parser"] }
 wasm-bindgen = { version = "0.2", default-features = false }
 
 [dependencies.web-sys]
diff --git a/jotdown b/jotdown
new file mode 100755
index 0000000..fc42398
Binary files /dev/null and b/jotdown differ
diff --git a/src/attr.rs b/src/attr.rs
index ffe178e..19a3d3e 100644
--- a/src/attr.rs
+++ b/src/attr.rs
@@ -1,4 +1,5 @@
 use databake::Bake;
+use serde::{Deserialize, Serialize};
 
 use crate::CowStr;
 use std::{borrow::Cow, fmt};
@@ -35,7 +36,7 @@ pub fn valid(src: &str) -> usize {
 
 /// Stores an attribute value that supports backslash escapes of ASCII punctuation upon displaying,
 /// without allocating.
-#[derive(Clone, Debug, Eq, PartialEq, Bake)]
+#[derive(Clone, Debug, Eq, PartialEq, Bake, Deserialize, Serialize)]
 #[databake(path = jotdown)]
 pub struct AttributeValue<'s> {
     raw: CowStr<'s>,
@@ -123,9 +124,9 @@ impl<'s> Iterator for AttributeValueParts<'s> {
 // Attributes are relatively rare, we choose to pay 8 bytes always and sometimes an extra
 // indirection instead of always 24 bytes.
 #[allow(clippy::box_vec)]
-#[derive(Clone, PartialEq, Eq, Default, Bake)]
+#[derive(Clone, PartialEq, Eq, Default, Bake, Deserialize, Serialize)]
 #[databake(path = jotdown)]
-pub struct Attributes<'s>(pub Option<Cow<'s, [(&'s str, AttributeValue<'s>)]>>);
+pub struct Attributes<'s>(#[serde(borrow)] pub Option<Cow<'s, [(&'s str, AttributeValue<'s>)]>>);
 
 impl<'s> Attributes<'s> {
     /// Create an empty collection.
diff --git a/src/lib.rs b/src/lib.rs
index ae87054..12b1051 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -68,6 +68,7 @@ mod lex;
 
 pub use attr::{AttributeValue, AttributeValueParts, Attributes};
 use databake::Bake;
+use serde::{Deserialize, Serialize};
 
 type CowStr<'s> = std::borrow::Cow<'s, str>;
 
@@ -203,7 +204,7 @@ impl<'s> AsRef<Event<'s>> for &Event<'s> {
 /// multiple events. [`Container`] elements are represented by a [`Event::Start`] followed by
 /// events representing its content, and finally a [`Event::End`]. Atomic elements without any
 /// inside elements are represented by a single event.
-#[derive(Debug, Clone, PartialEq, Eq, Bake)]
+#[derive(Debug, Clone, PartialEq, Eq, Bake, Deserialize, Serialize)]
 #[databake(path = jotdown)]
 pub enum Event<'s> {
     /// Start of a container.
@@ -251,7 +252,7 @@ pub enum Event<'s> {
 /// - inline, may only contain inline elements,
 /// - block leaf, may only contain inline elements,
 /// - block container, may contain any block-level elements.
-#[derive(Debug, Clone, PartialEq, Eq, Bake)]
+#[derive(Debug, Clone, PartialEq, Eq, Bake, Deserialize, Serialize)]
 #[databake(path = jotdown)]
 pub enum Container<'s> {
     /// A blockquote element.
@@ -406,7 +407,7 @@ impl<'s> Container<'s> {
 }
 
 /// Alignment of a table column.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Bake)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Bake, Deserialize, Serialize)]
 #[databake(path = jotdown)]
 pub enum Alignment {
     Unspecified,
@@ -416,7 +417,7 @@ pub enum Alignment {
 }
 
 /// The type of an inline span link.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Bake)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Bake, Deserialize, Serialize)]
 #[databake(path = jotdown)]
 pub enum SpanLinkType {
     /// E.g. `[text](url)`
@@ -428,7 +429,7 @@ pub enum SpanLinkType {
 }
 
 /// The type of an inline link.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Bake)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Bake, Deserialize, Serialize)]
 #[databake(path = jotdown)]
 pub enum LinkType {
     /// E.g. `[text](url)`.
@@ -440,7 +441,7 @@ pub enum LinkType {
 }
 
 /// The type of a list.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Bake)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Bake, Deserialize, Serialize)]
 #[databake(path = jotdown)]
 pub enum ListKind {
     /// A bullet list.
@@ -456,7 +457,7 @@ pub enum ListKind {
 }
 
 /// Numbering type of an ordered list.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Bake)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Bake, Deserialize, Serialize)]
 #[databake(path = jotdown)]
 pub enum OrderedListNumbering {
     /// Decimal numbering, e.g. `1)`.
@@ -472,7 +473,7 @@ pub enum OrderedListNumbering {
 }
 
 /// Style of an ordered list.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Bake)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Bake, Deserialize, Serialize)]
 #[databake(path = jotdown)]
 pub enum OrderedListStyle {
     /// Number is followed by a period, e.g. `1.`.
diff --git a/tests/afl/Cargo.toml b/tests/afl/Cargo.toml
index 70e156b..ff67fd6 100644
--- a/tests/afl/Cargo.toml
+++ b/tests/afl/Cargo.toml
@@ -6,7 +6,7 @@ default-run = "main"
 
 [dependencies]
 afl = "0.11"
-jotdown = { path = "../../", features = ["deterministic"] }
+jotdown = { path = "../../", features = ["deterministic", "html", "parser"] }
 html5ever = "0.26"
 
 [[bin]]
diff --git a/tests/html-ref/Cargo.toml b/tests/html-ref/Cargo.toml
index b46b4cc..5f712af 100644
--- a/tests/html-ref/Cargo.toml
+++ b/tests/html-ref/Cargo.toml
@@ -5,7 +5,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-jotdown = { path = "../.." }
+jotdown = { path = "../..", features = ["html", "parser"] }
 
 [lib]
 name = "test_html_ref"
diff --git a/tests/html-ref/ref.rs b/tests/html-ref/ref.rs
deleted file mode 100644
index 8b13789..0000000
--- a/tests/html-ref/ref.rs
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/tests/html-ut/Cargo.toml b/tests/html-ut/Cargo.toml
index f372f86..0d3f14d 100644
--- a/tests/html-ut/Cargo.toml
+++ b/tests/html-ut/Cargo.toml
@@ -5,7 +5,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-jotdown = { path = "../.." }
+jotdown = { path = "../..", features = ["html", "parser"] }
 
 [lib]
 name = "test_html_ut"
diff --git a/tests/html-ut/ut/footnotes.rs b/tests/html-ut/ut/footnotes.rs
deleted file mode 100644
index 19a1eb5..0000000
--- a/tests/html-ut/ut/footnotes.rs
+++ /dev/null
@@ -1,66 +0,0 @@
-use crate::compare;
-
-// Footnote references may appear within a footnote.
-#[test]
-fn test_1c8325a() {
-    let src = r##"[^a]
-
-[^a]: a[^b][^c]
-[^b]: b
-"##;
-    let expected = r##"<p><a id="fnref1" href="#fn1" role="doc-noteref"><sup>1</sup></a></p>
-<section role="doc-endnotes">
-<hr>
-<ol>
-<li id="fn1">
-<p>a<a id="fnref2" href="#fn2" role="doc-noteref"><sup>2</sup></a><a id="fnref3" href="#fn3" role="doc-noteref"><sup>3</sup></a><a href="#fnref1" role="doc-backlink">↩︎︎</a></p>
-</li>
-<li id="fn2">
-<p>b<a href="#fnref2" role="doc-backlink">↩︎︎</a></p>
-</li>
-<li id="fn3">
-<p><a href="#fnref3" role="doc-backlink">↩︎︎</a></p>
-</li>
-</ol>
-</section>
-"##;
-    compare!(src, expected);
-}
-
-// Footnote references in unreferenced footnotes are ignored.
-#[test]
-fn test_9eab5c8() {
-    let src = r##"para
-
-[^a]: a[^b][^c]
-[^b]: b
-"##;
-    let expected = r##"<p>para</p>
-"##;
-    compare!(src, expected);
-}
-
-// Footnotes may appear within footnotes.
-#[test]
-fn test_041f54c() {
-    let src = r##"[^b]
-[^a]
-
-[^a]: [^b]: inner
-"##;
-    let expected = r##"<p><a id="fnref1" href="#fn1" role="doc-noteref"><sup>1</sup></a>
-<a id="fnref2" href="#fn2" role="doc-noteref"><sup>2</sup></a></p>
-<section role="doc-endnotes">
-<hr>
-<ol>
-<li id="fn1">
-<p>inner<a href="#fnref1" role="doc-backlink">↩︎︎</a></p>
-</li>
-<li id="fn2">
-<p><a href="#fnref2" role="doc-backlink">↩︎︎</a></p>
-</li>
-</ol>
-</section>
-"##;
-    compare!(src, expected);
-}
diff --git a/tests/html-ut/ut/lists.rs b/tests/html-ut/ut/lists.rs
deleted file mode 100644
index 6230f6a..0000000
--- a/tests/html-ut/ut/lists.rs
+++ /dev/null
@@ -1,27 +0,0 @@
-use crate::compare;
-
-#[test]
-fn test_fefa2dc() {
-    let src = r##"1. item
-
-para
-"##;
-    let expected = r##"<ol>
-<li>
-item
-</li>
-</ol>
-<p>para</p>
-"##;
-    compare!(src, expected);
-}
-
-// Only single letter alphabetic list markers.
-#[test]
-fn test_2a0aa95() {
-    let src = r##"word. Continuing paragraph.
-"##;
-    let expected = r##"<p>word. Continuing paragraph.</p>
-"##;
-    compare!(src, expected);
-}
diff --git a/tests/html-ut/ut/mod.rs b/tests/html-ut/ut/mod.rs
deleted file mode 100644
index 6fea8e3..0000000
--- a/tests/html-ut/ut/mod.rs
+++ /dev/null
@@ -1,3 +0,0 @@
-mod footnotes;
-mod lists;
-mod raw_blocks;
diff --git a/tests/html-ut/ut/raw_blocks.rs b/tests/html-ut/ut/raw_blocks.rs
deleted file mode 100644
index 6f7c8ee..0000000
--- a/tests/html-ut/ut/raw_blocks.rs
+++ /dev/null
@@ -1,24 +0,0 @@
-use crate::compare;
-
-#[test]
-fn test_bf9dbab() {
-    let src = r##"```=html
-<tag1>
-<tag2>
-```
-
-paragraph
-
-```=html
-</tag2>
-</tag1>
-```
-"##;
-    let expected = r##"<tag1>
-<tag2>
-<p>paragraph</p>
-</tag2>
-</tag1>
-"##;
-    compare!(src, expected);
-}