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Re: lynx-dev LYLowerCase EBCDIC Crash [PATCH]

From: pg
Subject: Re: lynx-dev LYLowerCase EBCDIC Crash [PATCH]
Date: Mon, 22 Oct 2001 09:18:03 -0600 (MDT)

In a recent note, Thomas E. Dickey said:

> Date: Mon, 22 Oct 2001 11:11:08 -0400 (EDT)
> > > would a 0x00 be legal following the 0x80?  (If not, we could add a check
> > > for that special case).
> > >
> > I defer that one to the Unicode/UTF8/CJK/Big5 experts.  Such a check
> > would be insurance for the multibyte cases, but might leave some
> > breakage for non-ASCII ISO8859 characters.  Would a character with the
> > 0x80 bit set be legal at the end of an ISO8859 string?
> I don't think so (0x80 is a control character in ISO 8859).  0x80,0x00
> shouldn't appear embedded in UTF-8 either.
The problem is not only with 0x80, but with any character having the
high bit set.  This includes ISO8859 letters with diacriticals
and all EBCDIC letters and digits.

-- gil

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