Log Message:
Update to 1.2:

New in 1.2

- Fix the bug that an assertion in code can fail if an invalid UTF-8 or
  UTF-16 sequence is encountered near the end of input
- Remove the specialization of right single quotation mark as closing
  punctuation mark in English, French, and Spanish, because it can be
  used as apostrophe
- Make Doxygen documentation better