PROBLEM:  (CLD HPAQ9049V, QAR 55075)    (Patch ID: OSF440-053)
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This patch fixes a problem where vi puts the server port into PASSALL MODE
(where XON/XOFF is no longer effective).  This creates garbage in the file.

PROBLEM:  (DEKQ10006) (PATCH ID: OSF440-334)
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This patch fixes the error handling when invalid multibyte sequences are
encountered in the more, ex and vi commands.
PROBLEM: (EVT38717A, 81694) (PATCH ID: OSF440-529)
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This patch fixes a problem in which the 'vi' editor core
dumps when it finds invalid syntax during a substitute 
operation.