code: def alter_interface_docs_for_cmdline(docs):
      """Apply modifications to interface docstrings for cmdline doc use."""
      # central place to alter the impression of docstrings,
      # like removing Python API specific sections, and argument markup
      if not docs:
          return docs
      import re
      import textwrap
  
      docs = dedent_docstring(docs)
      # clean cmdline sections
      docs = re.sub(
          r"\|\| PYTHON \>\>.*?\<\< PYTHON \|\|",
          "",
          docs,
          flags=re.MULTILINE | re.DOTALL,
      )
      # clean cmdline in-line bits
      docs = re.sub(
          r"\[PY:\s.*?\sPY\]", "", docs, flags=re.MULTILINE | re.DOTALL
      )
      docs = re.sub(
          r"\[CMD:\s(.*?)\sCMD\]",
          lambda match: match.group(1),
          docs,
          flags=re.MULTILINE | re.DOTALL,
      )
      docs = re.sub(
          r"\|\| CMDLINE \>\>(.*?)\<\< CMDLINE \|\|",
          lambda match: match.group(1),
          docs,
          flags=re.MULTILINE | re.DOTALL,
      )
      # remove :role:`...` RST markup for cmdline docs
      docs = re.sub(
          r":\S+:`[^`]*`[\\]*",
          lambda match: ":".join(match.group(0).split(":")[2:]).strip(
              "`\\"
          ),
          docs,
          flags=re.MULTILINE | re.DOTALL,
      )
      # make the handbook doc references more accessible
      # the URL is a redirect configured at readthedocs
      docs = re.sub(
          r"(handbook:[0-9]-[0-9]*)",
          "\\1 (http://handbook.datalad.org/symbols)",
          docs,
      )
      # remove None constraint. In general, `None` on the cmdline means don't
      # give option at all, but specifying `None` explicitly is practically
      # impossible
      docs = re.sub(
          r",\sor\svalue\smust\sbe\s`None`",
          "",
          docs,
          flags=re.MULTILINE | re.DOTALL,
      )
      # capitalize variables and remove backticks to uniformize with
      # argparse output
      docs = re.sub(
          r"([^`]+)`([a-zA-Z0-9_]+)`([^`]+)",
          lambda match: f"{match.group(1)}{match.group(2).upper()}{match.group(3)}",
          docs,
      )
      # select only the cmdline alternative from argument specifications
      docs = re.sub(
          r"``([a-zA-Z0-9_,.]+)\|\|([a-zA-Z0-9-,.]+)``",
          lambda match: f"``{match.group(2)}``",
          docs,
      )
      # clean up sphinx API refs
      docs = re.sub(
          r"\~datalad\.api\.\S*",
          lambda match: "`{0}`".format(match.group(0)[13:]),
          docs,
      )
      # dedicated support for version markup
      docs = docs.replace(".. versionadded::", "New in version")
      docs = docs.replace(".. versionchanged::", "Changed in version")
      docs = docs.replace(".. deprecated::", "Deprecated in version")
      # Remove RST paragraph markup
      docs = re.sub(
          r"^.. \S+::",
          lambda match: match.group(0)[3:-2].upper(),
          docs,
          flags=re.MULTILINE,
      )
      docs = re.sub(
          r"^([ ]*)\|\| REFLOW \>\>\n(.*?)\<\< REFLOW \|\|",
          lambda match: textwrap.fill(
              match.group(2), subsequent_indent=match.group(1)
          ),
          docs,
          flags=re.MULTILINE | re.DOTALL,
      )
      return docs
  
label_desc: Use image node_id 3 for calling a global function with example usage: alter_interface_docs_for_cmdline(docs) and returns: docs, docs