<div dir="ltr"><div class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕">> Mark Davis <<a href="mailto:mark@macchiato.com">mark@macchiato.com</a>> Wed, Oct 15, 2008 at 5:56 AM</span></div>
<div class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕"></span> </div>
<div class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕"></span><span lang="EN-US" style="mso-fareast-font-family: 바탕">> That is, each of the Hangul precomposed syllables decomposes into one or two</span></div>
<div class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕"></span> </div>
<div class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕">one or two (wrong)---> two or three (correct) </span><span lang="EN-US" style="mso-fareast-font-family: 바탕">(Am I missing something here?)</span></div>
<div class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕"></span> </div>
<div class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕"></span><span lang="EN-US" style="mso-fareast-font-family: 바탕">> combining jamo under NFD, and under NFC that sequence of combining jamo composes </span></div>
<div class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕"></span><span lang="EN-US" style="mso-fareast-font-family: 바탕">> back into that syllable. The comparisons *do* work correctly, </span></div>
<div class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕"></span><span lang="EN-US" style="mso-fareast-font-family: 바탕">> since IDNA labels have to be in NFC.</span></div>
<div class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕"></span> </div>
<div class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕">- Well, I would have to disagree with you. </span></div>
<div class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕"></span><span lang="EN-US" style="mso-fareast-font-family: 바탕">Let me explain why the above claim is not correct.</span></div>
<div class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕"></span> </div>
<div class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕">- According to UCS (ISO/IEC 10646), each of the following three can represent </span></div>
<div class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕"></span><span lang="EN-US" style="mso-fareast-font-family: 바탕">Hangul syllable GGA:</span></div>
<p class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕">1) UAC01 (GGA)</span></p>
<p class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕">2) U1101 (GG), U1161 (A)</span></p>
<p class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕">3) U1100 (G), U1100 (G), U1161 (A)</span></p>
<p class="바탕글" style="TEXT-ALIGN: left"> <span lang="EN-US" style="mso-fareast-font-family: 바탕">- By NFC, 2) U1101 (GG), U1161 (A) will be changed to 1) UAC01 (GGA);</span></p>
<div class="바탕글" style="TEXT-ALIGN: left"> <span lang="EN-US" style="mso-fareast-font-family: 바탕">- However, by NFC, 3) U1100 (G), U1100 (G), U1161 (A) will be changed to </span></div>
<div class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕"></span><span lang="EN-US" style="mso-fareast-font-family: 바탕">U1100 (G), UAC00 (GA), which is "different" from 1) UAC01.</span></div>
<div class="바탕글" style="TEXT-ALIGN: left"> </div>
<div class="바탕글" style="TEXT-ALIGN: left"> <span lang="EN-US" style="mso-fareast-font-family: 바탕">> The comparisons *do* work correctly, </span></div>
<div class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕"></span> </div>
<div class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕">- ??? Isn't it considered comparison failure? (Am I missing something here?)</span></div>
<div class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕">- As we saw, NFC/NFD does not work correctly even for modern Hangul,</span></div>
<div class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕"></span><span lang="EN-US" style="mso-fareast-font-family: 바탕">(not to mention Old Hangul)!</span></div>
<p class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕">------------</span></p>
<p class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕">Note. For example, in XML 1.0 (fourth ed), 2) U1101 (GG), U1161 (A) is NOT allowed since #x1101 is not included; in contrast, 3) U1100 (G), U1100 (G), U1161 (A) IS allowed.</span></p>
<p class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕">(source :<a href="http://www.w3.org/TR/2006/REC-xml-20060816/#NT-BaseChar">http://www.w3.org/TR/2006/REC-xml-20060816/#NT-BaseChar</a>)</span></p>
<p class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕">.</span><span lang="EN-US" style="mso-fareast-font-family: 바탕">#x1100 | [#x1102-#x1103] | [#x1105-#x1107] | #x1109 | [#x110B-#x110C] | </span></p>
<p class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕">[#x110E-#x1112] | #x113C | #x113E | #x1140 | #x114C | #x114E | #x1150 | </span></p>
<p class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕">[#x1154-#x1155] | #x1159 | [#x115F-#x1161] | #x1163 | #x1165 | #x1167 | #x1169 |</span></p>
<p class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕">[#x116D-#x116E] | [#x1172-#x1173] | #x1175 | #x119E | #x11A8 | #x11AB | </span></p>
<p class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕">[#x11AE-#x11AF] | [#x11B7-#x11B8] | #x11BA | [#x11BC-#x11C2] | #x11EB | #x11F0 | </span></p>
<p class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕">#x11F9 | ..</span></p>
<p class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕">KIM, Kyongsok</span></p>
<div class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕">* I have been a chair of Korea JTC1/SC2 (a committee on Coded Character Set) since 1993.</span></div>
<div class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕"></span><span lang="EN-US" style="mso-fareast-font-family: 바탕">This committee represents Korea in ISO/IEC JTC1/SC2 which is in charge of UCS (ISO/IEC 10646).</span></div>
<p class="바탕글" style="TEXT-ALIGN: left"> </p>
<p class="바탕글" style="TEXT-ALIGN: left"><span lang="EN-US" style="mso-fareast-font-family: 바탕">* * *</span></p><br clear="all"><br>-- <br>KIM, Kyongsok<br>Dept. of Computer Science<br>Pusan National University<br>Busan, Rep. of KOREA<br>
</div>