PROBLEM: (TKTRB0023) (PATCH ID: OSF505-192)
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  This patch fixes a multibyte character boundary condition handling
  bug in ksh. This problem happens only when MB_CUR_MAX of the
  multibyte locale is greater than 2 and a 2-byte character is divided
  into two parts on a 1024-byte block boundary.  In this case,
  additional bytes may be skipped leading to incorrect execution of the
  ksh script.


PROBLEM: (TKTBC0080, TKTB10082) (PATCH ID: OSF505-225)
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  This patch fixes two ksh problems.
  1. ksh command line editing may not work correctly in emacs mode when the
     LANG environment variable is set to a multi-byte Asian locale.
  2. ksh script may crash if the script changes the LANG environment
     variable to a multi-byte Asian locale.