def user_documentation(text, header, section, examples=None):
 if (examples is None):
  examples = []
 def deco(f):
  f.user_documentation = UserDocumentation(text=text, examples=pvector(examples), header=header, section=section)
  return f
 return deco

def user_documentation ( text , header , section , examples = None ) : if ( examples is None ) : examples = [ ] def deco ( f ) : f . user_documentation = UserDocumentation ( text = text , examples = pvector ( examples ) , header = header , section = section ) return f return deco
annotate a klein-style endpoint to include user-facing documentation .