Import SQLite 3.10.2.

third_party/sqlite/src/ext/fts5/fts5_unicode2.c

 /*
 ** 2012 May 25
 **
 ** The author disclaims copyright to this source code.  In place of
 ** a legal notice, here is a blessing:
 **
 **    May you do good and not evil.
 **    May you find forgiveness for yourself and forgive others.
 **    May you share freely, never taking more than you give.
 **
@@ skipping 340 matching lines @@
 
     if( bRemoveDiacritic ) ret = fts5_remove_diacritic(ret);
   }
   
   else if( c>=66560 && c<66600 ){
     ret = c + 40;
   }
 
   return ret;
 }