Square Brackets with Tick

[William_J_G Overington]

Looking at the document
http://www.unicode.org/L2/L1999/99159.pdf
that has been mentioned, the four bracket characters are therein described as follows.
4X1F O LEFT BRACKET, REVERSE SOLIDUS TOP CORNER
4X20 C RIGHT BRACKET, REVERSE SOLIDUS BOTTOM CORNER
4X21 O LEFT BRACKET, SOLIDUS BOTTOM CORNER
4X22 C RIGHT BRACKET, SOLIDUS TOP CORNER
So it looks like the pairings in Unicode today are as originally intended.
May I suggest a (possibly new) use for the brackets please?
When a person is transcribing a document into a computer, perhaps a historical document, the first pair could be used to indicate a transcriber's note that the text between the brackets was crossed out in the original document, and the second pair could be used to indicate a transcriber's note that the text between the brackets was crossed out in the original document yet had been reinstated in the original document, either by the word stet being placed next to the crossed-out text or otherwise.
William Overington
24 August 2015
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