Refactor docs

Author: wooorm

readme.md

@@ -52,7 +52,7 @@ utility but for HTML: it turns [hast][] into HTML.
 ## Install
 
 This package is [ESM only][esm].
-In Node.js (version 14.14+ and 16.0+), install with [npm][]:
+In Node.js (version 16+), install with [npm][]:
 
 ```sh
 npm install xast-util-to-xml
@@ -115,7 +115,7 @@ Yields:
 
 ## API
 
-This package exports the identifier [`toXml`][toxml].
+This package exports the identifier [`toXml`][api-to-xml].
 There is no default export.
 
 ### `toXml(tree[, options])`
@@ -124,9 +124,9 @@ Serialize a xast tree to XML.
 
 ###### Parameters
 
-*   `tree` ([`Node`][node] or `Array<Node>`)
+*   `tree` ([`Array<Node>`][node] or `Node`)
     — xast node(s) to serialize
-*   `options` ([`Options`][options], optional)
+*   `options` ([`Options`][api-options], optional)
     — configuration
 
 ###### Returns
@@ -157,7 +157,7 @@ See `tightClose` to control whether a space is used before the slash.
 
 ###### `quote`
 
-Preferred quote to use ([`Quote`][quote], default: `'"'`).
+Preferred quote to use ([`Quote`][api-quote], default: `'"'`).
 
 ###### `quoteSmart`
 
@@ -184,14 +184,18 @@ type Quote = '"' | "'"
 ## Types
 
 This package is fully typed with [TypeScript][].
-It exports the additional types [`Options`][options] and [`Quote`][quote].
+It exports the additional types [`Options`][api-options] and
+[`Quote`][api-quote].
 
 ## Compatibility
 
-Projects maintained by the unified collective are compatible with all maintained
+Projects maintained by the unified collective are compatible with maintained
 versions of Node.js.
-As of now, that is Node.js 12.20+, 14.14+, 16.0+, and 18.0+.
-Our projects sometimes work with older versions, but this is not guaranteed.
+
+When we cut a new major release, we drop support for unmaintained versions of
+Node.
+This means we try to keep the current release line, `xast-util-to-xml@^3`,
+compatible with Node.js 12.
 
 ## Security
 
@@ -234,9 +238,9 @@ abide by its terms.
 
 [downloads]: https://www.npmjs.com/package/xast-util-to-xml
 
-[size-badge]: https://img.shields.io/bundlephobia/minzip/xast-util-to-xml.svg
+[size-badge]: https://img.shields.io/badge/dynamic/json?label=minzipped%20size&query=$.size.compressedSize&url=https://deno.bundlejs.com/?q=xast-util-to-xml
 
-[size]: https://bundlephobia.com/result?p=xast-util-to-xml
+[size]: https://bundlejs.com/?q=xast-util-to-xml
 
 [sponsors-badge]: https://opencollective.com/unified/sponsors/badge.svg
 
@@ -278,8 +282,8 @@ abide by its terms.
 
 [hast-util-to-html]: https://github.com/syntax-tree/hast-util-to-html
 
-[toxml]: #toxmltree-options
+[api-to-xml]: #toxmltree-options
 
-[options]: #options
+[api-options]: #options
 
-[quote]: #quote-1
+[api-quote]: #quote-1