code: def fulltext_delete(self, index, docs=None, queries=None):
          
          xml = Document()
          root = xml.createElement('delete')
          if docs:
              for doc in docs:
                  doc_element = xml.createElement('id')
                  text = xml.createTextNode(doc)
                  doc_element.appendChild(text)
                  root.appendChild(doc_element)
          if queries:
              for query in queries:
                  query_element = xml.createElement('query')
                  text = xml.createTextNode(query)
                  query_element.appendChild(text)
                  root.appendChild(query_element)
  
          xml.appendChild(root)
  
          self._request('POST', self.solr_update_path(index),
                        {'Content-Type': 'text/xml'},
                        xml.toxml().encode('utf-8'))
docs: Removes documents from the full-text index.