Bug #11987
  mysql will truncate the text when the text contain GBK char:"0xA3A0" and "0xA1"
  Allow to store and retrieve even unassigned GBK codes.
  Like we did in Big5 earlier.
have_gbk.inc, have_gbk.require, ctype_gbk.result, ctype_gbk.test:
  new file


strings/ctype-gbk.c:
  Bug #11987
  mysql will truncate the text when the text contain GBK char:"0xA3A0" and "0xA1"
  Allow to store and retrieve even unassigned GBK codes.
  Like we did in Big5 earlier.