code: def documented_table_filters():
      json_api_rst = (docs_path / "json_api.rst").read_text()
      section = json_api_rst.split(".. _table_arguments:")[-1]
      # Lines starting with ``?column__exact= are docs for filters
      return {
          line.split("__")[1].split("=")[0]
          for line in section.split("\n")
          if line.startswith("``?column__")
      }
  
file_path: datasette/tests/test_docs.py
imports: from datasette import app, utils
  from datasette.app import Datasette
  from datasette.filters import Filters
  from pathlib import Path
  import pytest
  import re
label_desc: Use image node_id 9 for calling a global function with example usage: documented_table_filters() and returns: unknown