Fwd: Errors in APL-ISO-IR-68.TXT

[Harriet Riddle]

Further errors in the same file:

0x2A084C/0x4C082A are mapped to both U+2338 and U+236F; U+2338 should be 
0x25084C/0x4C0825.

0x46084B/0x4B0846 are mapped to both U+2357 and U+2358; U+2357 should be 
0x4C0855/0x55084C.

--Har.

Harriet Riddle via Unicode wrote:
> Re-sending this since I inadvertently sent it to the bounces address.
>
> -------- Forwarded Message --------
> Subject: 	Errors in APL-ISO-IR-68.TXT
> Date: 	Mon, 25 Apr 2022 23:48:58 +0100
> From: 	Harriet Riddle <harjitmoe at outlook.com>
> To: 	Unicode <unicode-bounces at corp.unicode.org>
>
>
>
> Two of the lines in APL-ISO-IR-68.TXT ( 
> https://www.unicode.org/Public/MAPPINGS/VENDORS/MISC/APL-ISO-IR-68.TXT 
> ) read as follows:
>
> 0x5A085F    0x233E    #    APL FUNCTIONAL SYMBOL CIRCLE JOT
>
> and:
>
> 0x5F085A    0x233E    #    APL FUNCTIONAL SYMBOL CIRCLE JOT
>
> 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).
>
> The mappings should probably be amended to:
>
> 0x4A084F    0x233E    #    APL FUNCTIONAL SYMBOL CIRCLE JOT
>
> and:
>
> 0x4F084A    0x233E    #    APL FUNCTIONAL SYMBOL CIRCLE JOT
>
> —Har.

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://corp.unicode.org/pipermail/unicode/attachments/20220506/e29429b3/attachment.htm>