code: def to_plain_text(str):
      '''
      Return a plain-text version of a given string
  
      This is a dumb approach that tags and then removing entity markers
      but this is fine for the content from biocyc where entities are &beta; etc.
      
      Stripping in this way turns these into plaintext 'beta' which is preferable 
      to unicode
      '''
      
      str = strip_tags_re.sub('', str)
      str = strip_entities_re.sub('', str)
      return stf to_plain_text(str):
      '''
      Return a plain-text version of a given string
  
      This is a dumb approach that tags and then removing entity markers
      but this is fine for the content from biocyc where entities are &beta; etc.
      
      Stripping in this way turns these into plaintext 'beta' which is preferable 
      to unicode
      '''
      
      str = strip_tags_re.sub('', str)
      str = strip_entities_re.sub('', str)
      return str
docs: Return a plain-text version of a given string
  
      This is a dumb approach that tags and then removing entity markers
      but this is fine for the content from biocyc where entities are &beta; etc.
      
      Stripping in this way turns these into plaintext 'beta' which is preferable 
      to unicode