class Asciidoctor::AbstractNode

the base_dir instance variable on the Document object.
Delegates to normalize_system_path, with the start path set to the value of

Public: Normalize the asset file or directory to a concrete and rinsed path

def normalize_asset_path(asset_ref, asset_name = 'path', autocorrect = true)
  normalize_system_path(asset_ref, @document.base_dir, nil, target_name: asset_name, recover: autocorrect)
end