old_contents: # -*- coding: utf-8 -*-
  
  import re
  
  _strip_re = re.compile(ur'[\'"`‘’“”′″‴]+')
  _punctuation_re = re.compile(ur'[\t !#$%&()*\-/<=>?@\[\\\]^_{|}:;,.…‒–—―]+')
  
  def makename(text, delim=u'-', maxlength=50, filter=None):
      u"""
      Generate a Unicode name slug.
  
      >>> makename('This is a title')
      u'this-is-a-title'
      >>> makename('Invalid URL/slug here')
      u'invalid-url-slug-here'
      >>> makename('this.that')
      u'this-that'
      >>> makename("How 'bout this?")
      u'how-bout-this'
      >>> makename(u"How’s that?")
      u'hows-that'
      >>> makename(u'K & D')
      u'k-d'
      """
      return unicode(delim.join([_strip_re.sub('', x) for x in _punctuation_re.split(text.lower()) if x != '']))
  
new_contents: # -*- coding: utf-8 -*-
  
  import re
  
  _strip_re = re.compile(ur'[\'"`‘’“”′″‴]+')
  _punctuation_re = re.compile(ur'[\t +!#$%&()*\-/<=>?@\[\\\]^_{|}:;,.…‒–—―]+')
  
  def makename(text, delim=u'-', maxlength=50, filter=None):
      u"""
      Generate a Unicode name slug.
  
      >>> makename('This is a title')
      u'this-is-a-title'
      >>> makename('Invalid URL/slug here')
      u'invalid-url-slug-here'
      >>> makename('this.that')
      u'this-that'
      >>> makename("How 'bout this?")
      u'how-bout-this'
      >>> makename(u"How’s that?")
      u'hows-that'
      >>> makename(u'K & D')
      u'k-d'
      >>> makename('billion+ pageviews')
      u'billion-pageviews'
      """
      return unicode(delim.join([_strip_re.sub('', x) for x in _punctuation_re.split(text.lower()) if x != '']))
  
subject: Remove + character from generated URLs