code: def _format_description(description):
      def replace_line(match):
          link = match.group(1)
          url = match.group(2)
          if not url.startswith("http://") and not url.startswith(
              "https://"
          ):
              url = (
                  "https://github.com/onnx/onnx/blob/master/docs/" + url
              )
          return "[" + link + "](" + url + ")"
  
      description = re.sub(
          '\\[(.+)\\]\\(([^ ]+?)( "(.+)")?\\)',
          replace_line,
          description,
      )
      return description
  
file_path: netron/tools/onnx_metadata.py
imports: import collections
  import json
  import os
  import re
  import onnx.backend.test.case
  import onnx.defs
label_desc: Use image node_id 6 for calling a global function with example usage: _format_description(description) and returns: description, unknown