Re: Unicode and Security

From: John Cowan (cowan@mercury.ccil.org)
Date: Sun Feb 03 2002 - 21:24:47 EST


Gaspar Sinai scripsit:

> The following page contains my view of Unicode
> BIDI algorithm (with screenshots).
>
> http://www.yudit.org/security/

Oooo-kay. This is not a Unicode problem per se: it is about
embedded text vs. text that is not embedded. The Yudit and
IE versions are displaying a text (Java code) that is essentially in
Latin script (LTR) with some RTL inclusions. However, when
the Java application actually runs, it displays three
separate and distinct texts, each of which is an RTL text
with some LTR inclusions. They are assumed to be RTL
text, by the bidi rules, because they begin with a strong
RTL character.

Similar things happen when you construct XML documents
with RTL element names: the bidi rules, which are meant
for true text and not computer-readable stuff, sometimes
produce visually confusing results.

-- 
John Cowan           http://www.ccil.org/~cowan              cowan@ccil.org
To say that Bilbo's breath was taken away is no description at all.  There
are no words left to express his staggerment, since Men changed the language
that they learned of elves in the days when all the world was wonderful.
        --_The Hobbit_



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