class_docstr: Because there doesn't appear to be any other Markdown-friendly
  docstring support in Python.
  
  See also:
  
    * [PEP 256](https://www.python.org/dev/peps/pep-0256/)
    * [`inspect`](https://docs.python.org/3/library/inspect.html)
      
docstr: Substitute the quoted forward references for a given module class.
  
      anno:
  raw annotated type for the forward reference
  
      returns:
  fixed forward reference, as markdown; or `None` if no annotation is supplied
          
docstr_tok: ["Substitute","the","quoted","forward","references","for","a","given","module","class",".","anno",":","raw","annotated","type","for","the","forward","reference","returns",":","fixed","forward","reference",",","as","markdown",";","or","`","None","`","if","no","annotation","is","supplied"]
code: def fix_fwd_refs(
      self,
      anno: str,
  ) -> typing.Optional[str]:
      """
      Substitute the quoted forward references for a given module class.
  
          anno:
      raw annotated type for the forward reference
  
          returns:
      fixed forward reference, as markdown; or `None` if no annotation is supplied
      """
      results: list = []
  
      if not anno:
          return None
      for term in anno.split(", "):
          for chunk in self.PAT_FWD_REF.split(term):
              if len(chunk) > 0:
                  results.append(chunk)
  
      return ", ".join(results)
  
imports: from icecream import ic
  import inspect
  import os
  import re
  import sys
  import traceback
  import typing
label_desc: Use image node_id 8 for calling the PackageDoc obj's underlying member method code with example usage: obj.fix_fwd_refs(anno) and returns: str, None