IBM 1620 invalid character symbol

Karl Pentzlin via Unicode unicode at unicode.org
Tue Sep 26 09:03:52 CDT 2017


Thank you for the information. I attach an enlarged part of the scan
which in my eyes shows a specific design at least for the printed text
(maybe inspired by " } ^H | ^H { ").

- Karl

--
Am Dienstag, 26. September 2017 um 15:28 schrieb Jörg Knappen via Unicode:

>> I found the character in question on p. 52, it is a picture of
>> something handwritten, not a typeset character. "Clearly" means something different to me.
>>
>> --Jörg Knappen
>>
>> Gesendet: Dienstag, 26. September 2017 um 15:03 Uhr
>> Von: "John W Kennedy via Unicode" <unicode at unicode.org>
>> An: "Leo Broukhis" <leob at mailcom.com>, unicode at unicode.org
>> Betreff: Re: IBM 1620 invalid character symbol
>> I don’t know what your snippet is from, but the normally
>> authoritative IBM manual, A26-5706-3, IBM 1620 CPU Model 1
>> (July, 1965) displays what is clearly the Cyrillic letter.
>> Whether it should be regarded as that, or as a distinct
>> character, is another question. See
>> http://www.bitsavers.org/pdf/ibm/1620/A26-5706-3_IBM_1620_CPU_Model_1_Jul65.pdf
>>

>>  On Sep 26, 2017, at 12:48 AM, Leo Broukhis via Unicode <unicode at unicode.org> wrote:
>>
>> Wikipedia
>> (https://en.wikipedia.org/wiki/IBM_1620#Invalid_character)
>> describes the "invalid character" symbol (see attachment) as a
>> Cyrillic Ж which it obviously is not.
>>
>> But what is it? Does it deserve encoding, or is it a glyph
>> variation of an existing codepoint?
>>
>> The question is somewhat prompted by
>>                                                 2BFF
>> 1                       HELLSCHREIBER PAUSE SYMBOL
>>
>> in the pipeline, although I learned about both earlier today
>> within a few minutes of one another.
>>
>> Thanks,
>> Leo
>>
>>
>> <invalid.jpeg>
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