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  14    <H1>[IRCServices Coding] Fw: [Coders] RFCs and nicknames (Re: NS LINK and NS SET PRIVATE)</H1>
  15     <B>Andrew Church</B>
  16     <A HREF="mailto:ircservices-coding%40ircservices.za.net?Subject=%5BIRCServices%20Coding%5D%20Fw%3A%20%5BCoders%5D%20RFCs%20and%20nicknames%20%28Re%3A%20NS%20LINK%20and%20NS%20SET%20PRIVATE%29&In-Reply-To="
  17        TITLE="[IRCServices Coding] Fw: [Coders] RFCs and nicknames (Re: NS LINK and NS SET PRIVATE)">achurch at achurch.org
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  19     <I>Wed Jun 19 08:04:57 PDT 2002</I>
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  35 <PRE>&gt;<i>On Wed, 19 Jun 2002, Andrew Church wrote:
  36 </I>&gt;<i>
  37 </I>&gt;&gt;<i>      Yeah, I checked the other supported servers and noticed that they
  38 </I>&gt;&gt;<i> all support such nicks too... and to be honest I'm in full agreement with
  39 </I>&gt;&gt;<i> Stskeeps that that part of the RFC (among others) is out of date; I just
  40 </I>&gt;&gt;<i> wish there was something more up to date that everyone could agree on.
  41 </I>&gt;&gt;<i> (Is this where someone jumps in and says &quot;if you want to get something
  42 </I>&gt;&gt;<i> done, do it yourself&quot;?)
  43 </I>&gt;&gt;<i>
  44 </I>&gt;&gt;<i>   --Andrew Church
  45 </I>&gt;&gt;<i>     <A HREF="http://www.ircservices.za.net/mailman/listinfo/ircservices-coding">achurch at achurch.org</A>
  46 </I>&gt;&gt;<i>     <A HREF="http://achurch.org/">http://achurch.org/</A>
  47 </I>&gt;<i>
  48 </I>&gt;<i>Well, if you read the RFC
  49 </I>&gt;<i>
  50 </I>&gt;<i>
  51 </I>&gt;<i>Because of IRC's scandanavian origin, the characters {}| are considered to
  52 </I>&gt;<i>be the lower case equivalents of the characters []\, respectively. This is
  53 </I>&gt;<i>a critical issue when determining the equivalence of two nicknames.
  54 </I>&gt;<i>
  55 </I>&gt;<i>
  56 </I>&gt;<i>So the original ircd considered {}|[]\ to be &quot;letters&quot;.
  57 </I>
  58      *BZZZT* Nice try, thank you for playing.  To quote RFC1459:
  59
  60 &lt;nick&gt;    ::= &lt;letter&gt; { &lt;letter&gt; | &lt;number&gt; | &lt;special&gt; }
  61 &lt;letter&gt;  ::= 'a' ... 'z' | 'A' ... 'Z'
  62 &lt;number&gt;  ::= '0' ... '9'
  63 &lt;special&gt; ::= '-' | '[' | ']' | '\' | '`' | '^' | '{' | '}'
  64
  65      In other words, a &quot;letter&quot; is really a letter from A to Z, and not one
  66 of []\{}|.  (It is true, however, that {}| and []\ were considered
  67 case-insensitively equivalent.)
  68
  69   --Andrew Church
  70     <A HREF="http://www.ircservices.za.net/mailman/listinfo/ircservices-coding">achurch at achurch.org</A>
  71     <A HREF="http://achurch.org/">http://achurch.org/</A>
  72
  73 </PRE>
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