>The record mark (IBM GCGID SS950000) consists of two horizontal lines 
>crossed
>by one vertical line.
>
>The segment mark (IBM GCGID SS960000) consists of three vertical lines 
>crossed
>by one horizontal line.
>
>The group mark (IBM GCGID SS970000) consists of three horizontal lines 
>crossed
>by one vertical line.

Ah, thanks - my fault, it didn't occur to me that I should look
between R and S to find a record mark, instead of at the beginning
with the other weird stuff! What a system...

>The other two could be proposed as unitary symbols, if anybody really 
>needs to
>represent them. They are commensurate with a large number of similar symbols
>consisting of various numbers of horizontal lines crossed by various numbers
>of vertical lines. See, e.g., 29FA, 29FB, 2A68, 2A69, 2AF2, 2AF5.

They could, but wouldn't the same principle that bans new precomposed
accented characters applies? If not, why not?

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Scotland, with registration number SC005336.


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