txt: ## heading.md
  class Pod::Heading
  
  Heading in a Pod document
  
  ```raku
  class Pod::Heading is Pod::Block { }
  ```
  
  Class for headings in a Pod document.
  
  # [Methods](#class_Pod::Heading "go to top of document")[§](#Methods "direct link")
  
  ## [method level](#class_Pod::Heading "go to top of document")[§](#method_level "direct link")
  
  ```raku
  method level(--> Int)
  ```
  
  Returns the level of the heading, starting at 1.
  