old_contents: # file openpyxl/reader/strings.py
  
  # Copyright (c) 2010 openpyxl
  #
  # Permission is hereby granted, free of charge, to any person obtaining a copy
  # of this software and associated documentation files (the "Software"), to deal
  # in the Software without restriction, including without limitation the rights
  # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  # copies of the Software, and to permit persons to whom the Software is
  # furnished to do so, subject to the following conditions:
  #
  # The above copyright notice and this permission notice shall be included in
  # all copies or substantial portions of the Software.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  # THE SOFTWARE.
  #
  # @license: http://www.opensource.org/licenses/mit-license.php
  # @author: Eric Gazoni
  
  """Read the shared strings table."""
  
  # package imports
  from openpyxl.shared.xmltools import fromstring, QName
  from openpyxl.shared.ooxml import NAMESPACES
  
  
  def read_string_table(xml_source):
      """Read in all shared strings in the table"""
      table = {}
      xmlns = 'http://schemas.openxmlformats.org/spreadsheetml/2006/main'
      root = fromstring(text=xml_source)
      string_index_nodes = root.findall(QName(xmlns, 'si').text)
      for index, string_index_node in enumerate(string_index_nodes):
          table[index] = get_string(xmlns, string_index_node)
      return table
  
  
  def get_string(xmlns, string_index_node):
      """Read the contents of a specific string index"""
      rich_nodes = string_index_node.findall(QName(xmlns, 'r').text)
      if rich_nodes:
          reconstructed_text = []
          for rich_node in rich_nodes:
              partial_text = get_text(xmlns, rich_node)
              reconstructed_text.append(partial_text)
          return ''.join(reconstructed_text)
      else:
          return get_text(xmlns, string_index_node)
  
  
  def get_text(xmlns, rich_node):
      """Read rich text, discarding formatting if not disallowed"""
      text_node = rich_node.find(QName(xmlns, 't').text)
      partial_text = text_node.text  or ''
  
      if text_node.get(QName(NAMESPACES['xml'], 'space').text) != 'preserve':
          partial_text = partial_text.strip()
      return unicode(partial_text)
  
new_contents: # file openpyxl/reader/strings.py
  
  # Copyright (c) 2010 openpyxl
  #
  # Permission is hereby granted, free of charge, to any person obtaining a copy
  # of this software and associated documentation files (the "Software"), to deal
  # in the Software without restriction, including without limitation the rights
  # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  # copies of the Software, and to permit persons to whom the Software is
  # furnished to do so, subject to the following conditions:
  #
  # The above copyright notice and this permission notice shall be included in
  # all copies or substantial portions of the Software.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  # THE SOFTWARE.
  #
  # @license: http://www.opensource.org/licenses/mit-license.php
  # @author: Eric Gazoni
  
  """Read the shared strings table."""
  
  # package imports
  from openpyxl.shared.xmltools import fromstring, QName
  from openpyxl.shared.ooxml import NAMESPACES
  
  
  def read_string_table(xml_source):
      """Read in all shared strings in the table"""
      table = {}
      xmlns = 'http://schemas.openxmlformats.org/spreadsheetml/2006/main'
      root = fromstring(text=xml_source)
      string_index_nodes = root.findall(QName(xmlns, 'si').text)
      for index, string_index_node in enumerate(string_index_nodes):
  
          string = get_string(xmlns, string_index_node)
  
          # fix XML escaping sequence for '_x'
          string = string.replace('x005F_', '')
  
          table[index] = string
  
      return table
  
  
  def get_string(xmlns, string_index_node):
      """Read the contents of a specific string index"""
      rich_nodes = string_index_node.findall(QName(xmlns, 'r').text)
      if rich_nodes:
          reconstructed_text = []
          for rich_node in rich_nodes:
              partial_text = get_text(xmlns, rich_node)
              reconstructed_text.append(partial_text)
          return ''.join(reconstructed_text)
      else:
          return get_text(xmlns, string_index_node)
  
  
  def get_text(xmlns, rich_node):
      """Read rich text, discarding formatting if not disallowed"""
      text_node = rich_node.find(QName(xmlns, 't').text)
      partial_text = text_node.text  or ''
  
      if text_node.get(QName(NAMESPACES['xml'], 'space').text) != 'preserve':
          partial_text = partial_text.strip()
      return unicode(partial_text)
  
subject: replace XML escaping sequence for the '_x' substrings that injected _x005F into the actual string