<div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, 9 Sep 2019 at 21:44, Tom Honermann <<a href="mailto:tom@honermann.net">tom@honermann.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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<div class="gmail-m_-3437508304343965657moz-cite-prefix">On 9/9/19 2:48 PM, Corentin Jabot
wrote:<br>
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<div dir="ltr">Character Repertoire. The collection of characters
included in a character set.<br>
Character Set. A collection of elements used to represent
textual information<br>
Coded Character Set. A character set in which each character is
assigned a numeric code point. Frequently abbreviated as
character set, charset, or code set; the acronym CCS is also
used.<br>
Abstract Character. A unit of information used for the
organization, control, or representation of textual data.<br>
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Where did the above terms come from?<br></div></blockquote><div><br></div><div>Sorry, I should quote my sources</div><div><a href="https://unicode.org/glossary/">https://unicode.org/glossary/</a> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div bgcolor="#FFFFFF">
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I will admit i am confused. It's either Character Set or
Character Repertoire</div>
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<p>I suppose the above definitions could be read such that a
character set may include members that cannot exist in any
character repertoire. For example, escape characters or other
not-really-a-character things like variation selectors.<br></p></div></blockquote><div>That does make sense <br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div bgcolor="#FFFFFF"><p>
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<p>Tom.<br>
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<div dir="ltr" class="gmail_attr">On Mon, 9 Sep 2019 at 20:37,
Zach Laine <<a href="mailto:whatwasthataddress@gmail.com" target="_blank">whatwasthataddress@gmail.com</a>>
wrote:<br>
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<div dir="ltr">On Sun, Sep 8, 2019 at 8:16 PM Tom Honermann
<<a href="mailto:tom@honermann.net" target="_blank">tom@honermann.net</a>> wrote:<br>
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<div class="gmail-m_-3437508304343965657gmail-m_9193783060828308378gmail-m_1058650725662133227moz-cite-prefix">On
9/8/19 12:02 PM, Steve Downey wrote:<br>
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<div dir="ltr">Character repertoire sounds good, and
I will eventually learn to spell it. Character set
is definitely terminology from the pre-unicode
times, and unfortunately tends to merge the
repertoire and encoding, <a href="https://www.iana.org/assignments/character-sets/character-sets.xhtml" target="_blank">https://www.iana.org/assignments/character-sets/character-sets.xhtml</a><br>
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<p>I think I was a little over zealous earlier in
stating that Unicode uses "character repertoire" as
I described. I looked again and don't find that
term formally defined in the standard. However,
"repertoire" is used throughout the standard in ways
that I believe are consistent with my description.
I wasn't able to find an alternative formal term.</p>
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<div>I fully endorse overzelousness as applied to Unicode
discussions.</div>
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<p>The way I've been thinking about it is that a
"character repertoire" describes a set of <i>abstract
characters</i> (a formal Unicode term) and a
"character set" describes a set of <i>encoded
characters</i> (a formal Unicode term) that
associate each <i>abstract character</i> member of
a "character repertoire" with a <i>code point</i>
(a formal Unicode term) within a <i>codespace</i>
(A formal Unicode term). See sections 2.4 and 3.4
of Unicode 12 and uses of the word "repertoire"
within those chapters. The Unicode standard does
use the term "character set", but I didn't find a
formal definition.</p>
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<div>I think I follow, except that I don't see whether
there is a distinction between "character repertoire"
and "abstract characters". Is there? I'm asking
because if there is not, I'd prefer to standardize the
formally described term, which sounds like is "abstract
characters".</div>
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<div>Zach</div>
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