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<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-size:11.0pt;font-family:Wingdings;color:#1F497D"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman""> 
</span></span></span><![endif]>That is, I don't think a distinction between "accident" and "intent" is useful when it comes to confusability. Based on spoofing and spamming data I've seen at Google, the characters don't even have to be identical 90% of the
 time. At body text sizes, the human eye sees what it expects: many dissimilarities are glossed over, like between r + n and m, or even much more different ones.<o:p></o:p></p>
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<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Has anyone looked at confusability of Chinese characters?  My expectation would be that many clearly different things would be easily mistaken because of a slight
 difference in a stroke and the context and font size.  Eg: If I’m expecting “Microsoft” in an email or something, then rnicrosoft.com might trick me (not in this font apparently).  I would expect that Chinese has lots of characters that are confusable.  Worse,
 I’d expect that some are probably only confusable in certain contexts.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-size:11.0pt;font-family:Wingdings;color:#1F497D"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman""> 
</span></span></span><![endif]>I wish that the people who get all fired up about U+08A1​ would talk to security experts to find out what sorts of characters—in practice—<b><i>do</i></b> represent confusability issues: U+08A1 and related characters would not
 even be on the radar screen.<o:p></o:p></p>
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<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">+1<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-size:11.0pt;font-family:Wingdings;color:#1F497D"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman""> 
</span></span></span><![endif]>As you say, those kinds of issues are <span style="color:#1F497D">
…</span> simply infeasible to do more than nibble at the edges with the low-level protocol. It just gives people a false sense that they are solving the problem.<o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">+1<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">-Shawn<o:p></o:p></span></p>
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