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Ok. Letʼs consider a Korean mailbox name.
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<div class="">I best start with a brief explanation of Korean Hangul.</div>
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<div class="">The individual letters of Korean are called Jamo eg ㅎ ㅏ ㄴ ㄱ ㅡ ㄹ or ㅂ ㅏ ㄴ ㅏ ㄴ ㅏ</div>
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<div class="">Jamo are formed into squared syllable blocks eg 한글 (Hangeul) or 바나나 (banana)</div>
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<div class="">I reason:</div>
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<div class="">Universal Acceptance = Hangul Syllables U+AC00➔D7AF</div>
<div class="">Uncritical Acceptance = Hangul Syllables U+AC00➔D7AF + Hangul Jamo U+1100➔11FF + Hangul Jamo Extended-A U+A960➔A97F + Hangul Jamo Extended-B U+D7B0➔D7FF + Hangul Compatibility Jamo U+3130➔318F + ...</div>
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<div class="">I most definitely am not an expert on Korean so those that are please check my reasoning</div>
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<div class="">André Schappo</div>
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<div class="">On 16 Apr 2019, at 11:35, Don Hollander <<a href="mailto:don.hollander@gmail.com" class="">don.hollander@gmail.com</a>> wrote:</div>
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<span class="">Andre<o:p class=""></o:p></span></div>
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<span class="">Can you provide an example of what one such would look like?<o:p class=""></o:p></span></div>
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<span class="">Don<o:p class=""></o:p></span></div>
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<b class=""><span lang="EN-US" class="">From:</span></b><span lang="EN-US" class=""><span class="Apple-converted-space"> </span>UA-discuss <<a href="mailto:ua-discuss-bounces@icann.org" style="color: purple; text-decoration: underline;" class="">ua-discuss-bounces@icann.org</a>><span class="Apple-converted-space"> </span><b class="">On
Behalf Of<span class="Apple-converted-space"> </span></b>Andre Schappo<br class="">
<b class="">Sent:</b><span class="Apple-converted-space"> </span>Tuesday, 16 April 2019 8:54 PM<br class="">
<b class="">To:</b><span class="Apple-converted-space"> </span>Asmus Freytag (c) <<a href="mailto:asmusf@ix.netcom.com" style="color: purple; text-decoration: underline;" class="">asmusf@ix.netcom.com</a>><br class="">
<b class="">Cc:</b><span class="Apple-converted-space"> </span>John Levine <<a href="mailto:john.levine@standcore.com" style="color: purple; text-decoration: underline;" class="">john.levine@standcore.com</a>>;<span class="Apple-converted-space"> </span><a href="mailto:ua-discuss@icann.org" style="color: purple; text-decoration: underline;" class="">ua-discuss@icann.org</a><br class="">
<b class="">Subject:</b><span class="Apple-converted-space"> </span>Re: [UA-discuss] interesting to note about emoji in mailbox name.<o:p class=""></o:p></span></div>
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On 15 Apr 2019, at 17:54, Asmus Freytag (c) <<a href="mailto:asmusf@ix.netcom.com" style="color: purple; text-decoration: underline;" class="">asmusf@ix.netcom.com</a>> wrote:<o:p class=""></o:p></div>
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On 4/15/2019 9:46 AM, John Levine wrote:<o:p class=""></o:p></div>
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<pre style="margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: "Courier New";" class="">In article <a href="mailto:09cbecda-324d-eb4d-bd45-fb4e64c71a72@ix.netcom.com" style="color: purple; text-decoration: underline;" class=""><09cbecda-324d-eb4d-bd45-fb4e64c71a72@ix.netcom.com></a> you write:<o:p class=""></o:p></pre>
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<pre style="margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: "Courier New";" class="">That's the real danger of understanding UA as "blind acceptance" vs. <o:p class=""></o:p></pre>
<pre style="margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: "Courier New";" class="">universal support for well-behaved (if non-native) identifiers. <o:p class=""></o:p></pre>
<pre style="margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: "Courier New";" class="">"Well-behaved" almost has to become more narrowly defined than the <o:p class=""></o:p></pre>
<pre style="margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: "Courier New";" class="">"anything goes" or "any PVALID goes" from E-mail or domain name standards.<o:p class=""></o:p></pre>
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<pre style="margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: "Courier New";" class="">Quite right. I wish I know where the bad idea came from that you're<o:p class=""></o:p></pre>
<pre style="margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: "Courier New";" class="">supposed to accept every technically valid but illegible and<o:p class=""></o:p></pre>
<pre style="margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: "Courier New";" class="">misleading IDN or e-mail address. It's never been true with ASCII<o:p class=""></o:p></pre>
<pre style="margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: "Courier New";" class="">addresses and it's even less true with IDNs and UTF-8 mailboxes.<o:p class=""></o:p></pre>
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<span style="font-family: Candara, sans-serif;" class="">How do we make sure that UA doesn't become synonymous with "uncritical acceptance"?</span><o:p class=""></o:p></div>
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<span style="font-family: Candara, sans-serif;" class="">A./</span><o:p class=""></o:p></div>
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I really like your phrase "Uncritical Acceptance".<span class="Apple-converted-space"> </span><o:p class=""></o:p></div>
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In a previous email you wrote: "Those issues may require a discussion whether "Universal Acceptance" and "Uncritical Acceptance" are the same thing". (Note - I Title cased for better effect)<o:p class=""></o:p></div>
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Seeing the two together in a sentence is extremely effective and to me effectively summarises the issues.<o:p class=""></o:p></div>
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I consider defining good mailbox naming practices for the whole of Unicode would be a huge undertaking and there would be many overlaps and possibly contradictions with other standards.<o:p class=""></o:p></div>
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So, instead, what of defining good mailbox naming practice for just one of the orthography categories? This could serve to illustrate both good practice (Universal Acceptance) and bad practice (Uncritical Acceptance).<o:p class=""></o:p></p>
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André Schappo</div>
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