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Re-sending this since I inadvertently sent it to the bounces
address.<br>
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-------- Forwarded Message --------
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<th nowrap="nowrap" align="RIGHT" valign="BASELINE">Subject:
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<td>Errors in APL-ISO-IR-68.TXT</td>
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<th nowrap="nowrap" align="RIGHT" valign="BASELINE">Date: </th>
<td>Mon, 25 Apr 2022 23:48:58 +0100</td>
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<th nowrap="nowrap" align="RIGHT" valign="BASELINE">From: </th>
<td>Harriet Riddle <a class="moz-txt-link-rfc2396E" href="mailto:harjitmoe@outlook.com"><harjitmoe@outlook.com></a></td>
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<th nowrap="nowrap" align="RIGHT" valign="BASELINE">To: </th>
<td>Unicode <a class="moz-txt-link-rfc2396E" href="mailto:unicode-bounces@corp.unicode.org"><unicode-bounces@corp.unicode.org></a></td>
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<br>
<br>
Two of the lines in APL-ISO-IR-68.TXT (
<a class="moz-txt-link-freetext" href="https://www.unicode.org/Public/MAPPINGS/VENDORS/MISC/APL-ISO-IR-68.TXT">https://www.unicode.org/Public/MAPPINGS/VENDORS/MISC/APL-ISO-IR-68.TXT</a>
) read as follows:<br>
<br>
0x5A085F 0x233E # APL FUNCTIONAL SYMBOL CIRCLE JOT<br>
<br>
and:<br>
<br>
0x5F085A 0x233E # APL FUNCTIONAL SYMBOL CIRCLE JOT<br>
<br>
0x5A is a left shoe (U+2282 ⊂ SUBSET OF) and 0x5F is a minus sign
(mapped in this file to 0x002D HYPHEN-MINUS). While a ISO-IR-68
backspace (0x08) composition of these two could theoretically
compose some form of element-of sign, the APL "epsilon" or
element-of sign is an atomic glyph at 0x45 (mapped here to 0x220A
∊ SMALL ELEMENT OF), so these two sequences are probably unused in
reality. In any case, they do not correspond to U+233E ⌾ APL
FUNCTIONAL SYMBOL CIRCLE JOT which is, as the name suggests, the
composition of the circle (0x25CB ○ WHITE CIRCLE, 0x4F in
ISO-IR-68) and the jot (0x2218 ∘ RING OPERATOR, 0x4A in
ISO-IR-68).<br>
<br>
The mappings should probably be amended to:<br>
<br>
0x4A084F 0x233E # APL FUNCTIONAL SYMBOL CIRCLE JOT<br>
<br>
and:<br>
<br>
0x4F084A 0x233E # APL FUNCTIONAL SYMBOL CIRCLE JOT<br>
<br>
—Har.<br>
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