old_contents: #!/usr/bin/env python3
  
  # Copyright 2016 The Meson development team
  
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  
  #     http://www.apache.org/licenses/LICENSE-2.0
  
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  from mesonbuild import mesonmain, mesonlib
  import sys, os, locale
  
  def main():
      # Warn if the locale is not UTF-8. This can cause various unfixable issues
      # such as os.stat not being able to decode filenames with unicode in them.
      # There is no way to reset both the preferred encoding and the filesystem
      # encoding, so we can just warn about it.
      e = locale.getpreferredencoding()
      if e.upper() != 'UTF-8' and not mesonlib.is_windows():
          print('Warning: You are using {!r} which is not a a Unicode-compatible '
                'locale.'.format(e), file=sys.stderr)
          print('You might see errors if you use UTF-8 strings as '
                'filenames, as strings, or as file contents.', file=sys.stderr)
          print('Please switch to a UTF-8 locale for your platform.', file=sys.stderr)
      # Always resolve the command path so Ninja can find it for regen, tests, etc.
      launcher = os.path.realpath(sys.argv[0])
      return mesonmain.run(sys.argv[1:], launcher)
  
  if __name__ == '__main__':
      sys.exit(main())
  
new_contents: #!/usr/bin/env python3
  
  # Copyright 2016 The Meson development team
  
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  
  #     http://www.apache.org/licenses/LICENSE-2.0
  
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  from mesonbuild import mesonmain, mesonlib
  import sys, os, locale
  
  def main():
      # Warn if the locale is not UTF-8. This can cause various unfixable issues
      # such as os.stat not being able to decode filenames with unicode in them.
      # There is no way to reset both the preferred encoding and the filesystem
      # encoding, so we can just warn about it.
      e = locale.getpreferredencoding()
      if e.upper() != 'UTF-8' and not mesonlib.is_windows():
          print('Warning: You are using {!r} which is not a Unicode-compatible '
                'locale.'.format(e), file=sys.stderr)
          print('You might see errors if you use UTF-8 strings as '
                'filenames, as strings, or as file contents.', file=sys.stderr)
          print('Please switch to a UTF-8 locale for your platform.', file=sys.stderr)
      # Always resolve the command path so Ninja can find it for regen, tests, etc.
      launcher = os.path.realpath(sys.argv[0])
      return mesonmain.run(sys.argv[1:], launcher)
  
  if __name__ == '__main__':
      sys.exit(main())
  
subject: fix a typo in the UTF-8 warning message