cleanup, docs

site/doc/pages/markdown_to_ast.txt

@@ -8,6 +8,7 @@ options : optional markdown options tree
 return value : a `DValue` document AST
 
 :see
+>markup
 markdown_to_html
 component
 component_render
@@ -36,10 +37,6 @@ The returned AST uses `type` plus node-specific fields such as `level`, `text`,
 
 Top-level documents use:
 
-```text
-type = "document"
-children = [...]
-```
 
 Common block nodes:
 
@@ -66,11 +63,6 @@ Common inline nodes:
 
 Example:
 
-```uce
-DValue options = json_decode("{\"components\":{\":::warning\":\"components/markdown/warning\"}}");
-DValue ast = markdown_to_ast(file_get_contents("README.md"), options);
-print(json_encode(ast));
-```
 
 Options:
 
@@ -78,7 +70,7 @@ Options:
 - `options["allow_html"]` allows raw HTML passthrough nodes to be captured and rendered. Defaults to `false`.
 - `options["components"]` provides the component hook map later used by `markdown_to_html()`. The parser preserves directive data needed by those hooks.
 
-Related:
 
-- PHP: CommonMark or Parsedown parsing pipelines that expose a syntax tree or token stream
-- JavaScript / Node.js: `remark`, `micromark`, or `markdown-it` token streams and AST-like structures
+:example
+DValue ast = markdown_to_ast("# Title");
+print(ast.is_array() ? "ast\n" : "empty\n");