docs: def convertforoutput(self,outputfile):
          """Convert from one of the source formats into target format. Relevant if converters are used in OutputTemplates. Outputfile is a CLAMOutputFile instance."""
          super(CharEncodingConverter,self).convertforoutput(outputfile)
  
          return withheaders( flask.make_response( ( line.encode(self.charset) for line in outputfile ) ) , 'text/plain; charset=' + self.charset)