From: Philippe Verdy (firstname.lastname@example.org)
Date: Fri Aug 20 2004 - 04:31:19 CDT
From: "Jonathan Coxhead" <email@example.com>
> John Tisdale wrote:
> > I've created an illustration to accompany my MSDN article to provide a
> > high-level overview of Unicode encoding. I would appreciate any feedback
> > related to accuracy and clarity.
> > http://www.ocean.org/JT/Writings/MSDN/Images/UnicodeEncodingSmall.gif
> > Thanks, John
Additionally the labels are incorrect or misleading:
- Add a layer above the first level showing grapheme clusters, that are made
of one or multiple abstract characters.
- There's a missing layer between the first (currently CCS) and second (CCF)
box. The content of the first box is not showing a "Coded" character set,
only examples of abstract characters, with a normative reference (U+....)
and a representative glyph. So the top box should be labelled "The
Unicode-ISO/IEC 10646 character repertoire" of abstract characters. The 3
examples shown should be labelled "abstract characters", and by themselves
they are not encoded, only named by the U+xxxx reference.- The CEF box
should have labels "Code Unit(s)" with the optional plural.
- Add a layer below it showing codepoints (numeric values), which is
appropriate to represent the Unicode CCS. Label the example boxes with "Code
point(s)" with the optional plural.
- The bottom box should not contain the term "Code Unit" but "byte(s)". Code
units only exist in CEF, not in CES.
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