Pypy generation doc error

error.log

# Sphinx version: 1.0.7
# Python version: 2.7.1
# Docutils version: 0.7 release
# Jinja2 version: 2.5.5
Traceback (most recent call last):
  File "c:\Python27\lib\site-packages\sphinx-1.0.7-py2.7.egg\sphinx\cmdline.py", line 188, in main
    app.build(force_all, filenames)
  File "c:\Python27\lib\site-packages\sphinx-1.0.7-py2.7.egg\sphinx\application.py", line 207, in build
    self.builder.build_update()
  File "c:\Python27\lib\site-packages\sphinx-1.0.7-py2.7.egg\sphinx\builders\__init__.py", line 193, in build_update
    self.build(['__all__'], to_build)
  File "c:\Python27\lib\site-packages\sphinx-1.0.7-py2.7.egg\sphinx\builders\__init__.py", line 218, in build
    purple, length):
  File "c:\Python27\lib\site-packages\sphinx-1.0.7-py2.7.egg\sphinx\builders\__init__.py", line 120, in status_iterator
    for item in iterable:
  File "c:\Python27\lib\site-packages\sphinx-1.0.7-py2.7.egg\sphinx\environment.py", line 519, in update_generator
    self.read_doc(docname, app=app)
  File "c:\Python27\lib\site-packages\sphinx-1.0.7-py2.7.egg\sphinx\environment.py", line 664, in read_doc
    pub.publish()
  File "c:\Python27\lib\site-packages\docutils-0.7-py2.7.egg\docutils\core.py", line 203, in publish
    self.settings)
  File "c:\Python27\lib\site-packages\docutils-0.7-py2.7.egg\docutils\readers\__init__.py", line 69, in read
    self.parse()
  File "c:\Python27\lib\site-packages\docutils-0.7-py2.7.egg\docutils\readers\__init__.py", line 75, in parse
    self.parser.parse(self.input, document)
  File "c:\Python27\lib\site-packages\docutils-0.7-py2.7.egg\docutils\parsers\rst\__init__.py", line 157, in parse
    self.statemachine.run(inputlines, document, inliner=self.inliner)
  File "c:\Python27\lib\site-packages\docutils-0.7-py2.7.egg\docutils\parsers\rst\states.py", line 170, in run
    input_source=document['source'])
  File "c:\Python27\lib\site-packages\docutils-0.7-py2.7.egg\docutils\statemachine.py", line 233, in run
    context, state, transitions)
  File "c:\Python27\lib\site-packages\docutils-0.7-py2.7.egg\docutils\statemachine.py", line 454, in check_line
    return method(match, context, next_state)
  File "c:\Python27\lib\site-packages\docutils-0.7-py2.7.egg\docutils\parsers\rst\states.py", line 2940, in text
    self.section(title.lstrip(), source, style, lineno + 1, messages)
  File "c:\Python27\lib\site-packages\docutils-0.7-py2.7.egg\docutils\parsers\rst\states.py", line 329, in section
    self.new_subsection(title, lineno, messages)
  File "c:\Python27\lib\site-packages\docutils-0.7-py2.7.egg\docutils\parsers\rst\states.py", line 398, in new_subsection
    node=section_node, match_titles=1)
  File "c:\Python27\lib\site-packages\docutils-0.7-py2.7.egg\docutils\parsers\rst\states.py", line 284, in nested_parse
    node=node, match_titles=match_titles)
  File "c:\Python27\lib\site-packages\docutils-0.7-py2.7.egg\docutils\parsers\rst\states.py", line 195, in run
    results = StateMachineWS.run(self, input_lines, input_offset)
  File "c:\Python27\lib\site-packages\docutils-0.7-py2.7.egg\docutils\statemachine.py", line 233, in run
    context, state, transitions)
  File "c:\Python27\lib\site-packages\docutils-0.7-py2.7.egg\docutils\statemachine.py", line 454, in check_line
    return method(match, context, next_state)
  File "c:\Python27\lib\site-packages\docutils-0.7-py2.7.egg\docutils\parsers\rst\states.py", line 2706, in underline
    self.section(title, source, style, lineno - 1, messages)
  File "c:\Python27\lib\site-packages\docutils-0.7-py2.7.egg\docutils\parsers\rst\states.py", line 329, in section
    self.new_subsection(title, lineno, messages)
  File "c:\Python27\lib\site-packages\docutils-0.7-py2.7.egg\docutils\parsers\rst\states.py", line 398, in new_subsection
    node=section_node, match_titles=1)
  File "c:\Python27\lib\site-packages\docutils-0.7-py2.7.egg\docutils\parsers\rst\states.py", line 284, in nested_parse
    node=node, match_titles=match_titles)
  File "c:\Python27\lib\site-packages\docutils-0.7-py2.7.egg\docutils\parsers\rst\states.py", line 195, in run
    results = StateMachineWS.run(self, input_lines, input_offset)
  File "c:\Python27\lib\site-packages\docutils-0.7-py2.7.egg\docutils\statemachine.py", line 233, in run
    context, state, transitions)
  File "c:\Python27\lib\site-packages\docutils-0.7-py2.7.egg\docutils\statemachine.py", line 454, in check_line
    return method(match, context, next_state)
  File "c:\Python27\lib\site-packages\docutils-0.7-py2.7.egg\docutils\parsers\rst\states.py", line 2720, in text
    paragraph, literalnext = self.paragraph(lines, startline)
  File "c:\Python27\lib\site-packages\docutils-0.7-py2.7.egg\docutils\parsers\rst\states.py", line 421, in paragraph
    textnodes, messages = self.inline_text(text, lineno)
  File "c:\Python27\lib\site-packages\docutils-0.7-py2.7.egg\docutils\parsers\rst\states.py", line 430, in inline_text
    return self.inliner.parse(text, lineno, self.memo, self.parent)
  File "c:\Python27\lib\site-packages\docutils-0.7-py2.7.egg\docutils\parsers\rst\states.py", line 516, in parse
    lineno)
  File "c:\Python27\lib\site-packages\docutils-0.7-py2.7.egg\docutils\parsers\rst\states.py", line 774, in interpreted_or_phrase_ref
    lineno)
  File "c:\Python27\lib\site-packages\docutils-0.7-py2.7.egg\docutils\parsers\rst\states.py", line 830, in interpreted
    nodes, messages2 = role_fn(role, rawsource, text, lineno, self)
  File "d:\pypy\pypy\config\makerestdoc.py", line 203, in config_role
    assert txt.check()
AssertionError

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