@@ -0,0 +1,44 @@
+package main
+
+import (
+	"bytes"
+	"fmt"
+	"os"
+
+	"github.com/yuin/goldmark"
+	"go.alanpearce.eu/searchix/internal/nixdocs/variable"
+)
+
+func main() {
+	// Create a new Goldmark instance with our variable extension
+	md := goldmark.New(
+		goldmark.WithExtensions(
+			variable.New(),
+		),
+	)
+
+	// Some example Markdown content with variable references
+	src := []byte(`
+# Variable References Example
+
+Nix packages like {var}` + "`pkgs.virtualbox`" + ` and {var}` + "`pkgs.firefox`" + `
+can be installed in your system.
+
+The {var}` + "`services.postgresql.enable`" + ` option enables the PostgreSQL service.
+
+Configuration variables are often found in these contexts:
+- {var}` + "`system.stateVersion`" + ` for system configuration
+- {var}` + "`networking.hostName`" + ` for network settings
+- {var}` + "`users.users.alice`" + ` for user accounts
+`)
+
+	// Convert the markdown to HTML
+	var buf bytes.Buffer
+	if err := md.Convert(src, &buf); err != nil {
+		fmt.Println("Conversion error:", err)
+		os.Exit(1)
+	}
+
+	// Print the HTML output
+	fmt.Println(buf.String())
+}